DOI : 10.17577/IJERTV14IS050217
- Open Access
- Authors : Arvind Raj V, P Derek Antony Fernando, Karthikeyan R, Dr. S. R Malathi
- Paper ID : IJERTV14IS050217
- Volume & Issue : Volume 14, Issue 05 (May 2025)
- Published (First Online): 22-05-2025
- ISSN (Online) : 2278-0181
- Publisher Name : IJERT
- License:
This work is licensed under a Creative Commons Attribution 4.0 International License
Real Time Monitoring and Non- Invasive Therapy for OCD and ADHD
Arvind Raj V, P Derek Antony Fernando, Karthikeyan R,
Dept. of Electronics and Communication Engineering, Sri Venkateswara College of Engineering, Sriperumbudur, India
Abstract The escalating global prevalence of Distress Hyperactivity Disorder (DHD) and Obsessive-Compulsive Disorder (OCD) underscores the urgency for real-time, non-invasive interventions that transcend traditional reliance on self-reports and episodic clinical assessments. This project introduces a software-driven therapeutic platform integrating real-time facial emotion recognition (via a laptop camera and Python-based machine learning) with physiological sensing (electrodermal activity, skin temperature, and accelerometry). The system detects stress and hyperactivity patterns using a hybrid architecture: facial emotion analysis is complemented by continuous physiological monitoring, ensuring robustness even during camera occlusion. Upon detecting distress thresholds, vibrotactile feedback is delivered through a wrist-worn actuator, while all sensor and event data are logged to the ThingSpeak IoT platform for longitudinal analysis. Bench-top validations confirm sub-second detection latency and reliable actuation, achieving 88% precision in simulated scenarios. This work establishes a scalable foundation for clinical translation, prioritizing accessibility through off-the-shelf hardware and open-source software.
Index TermsConvolutional Neural Networks, Emotion Detection, Physiological Sensors, IoT, Real-Time Feedback, Hybrid Monitoring
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INTRODUCTION
Mental health disorders such as OCD and ADHD affect millions globally, impairing daily functioning and quality of life. OCD manifests as repetitive rituals and intrusive thoughts, while ADHD involves hyperactivity, impulsivity, and inattention. High-stress populationstrain drivers, trauma survivors, and individuals with hormonal imbalancesare particularly vulnerable to acute episodes requiring immediate intervention. Traditional therapies, reliant on periodic consultations and self-reported data, fail to address transient crises, leading to delayed support and exacerbated symptoms.
Emerging technologies in AI and IoT offer transformative potential for real-time mental health monitoring. Facial emotion recognition algorithms, deployable via laptop cameras, can infer affective states like anxiety or distress, while wearable sensors track physiological markers such as electrodermal activity (GSR), skin temperature, and restlessness. However, no existing system unifies these modalities into a closed-loop pipeline capable of detecting and mitigating OCD/ADHD episodes instantaneously.
This work bridges the gap by developing a Python-based platform that synchronizes facial emotion recognition with Arduino-driven physiological sensing and IoT logging. The
Dr. S. R Malathi, Professor,
Dept. of Electronics and Communication Engineering, Sri Venkateswara College of Engineering,
Sriperumbudur, India
systems hybrid architecture ensures uninterrupted monitoring, leveraging sensor data as a fallback during camera occlusion. By integrating vibrotactile feedback, the system provides immediate therapeutic intervention, enhancing user safety and emotional regulation.
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METHODLOGY
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Facial Emotion Recognition
Facial Emotion Recognition (FER) is a subfield of artificial intelligence (AI) and computer vision focused on detecting and interpreting human emotions through facial expressions. This technology leverages machine learning algorithms, particularly Convolutional Neural Networks (CNNs), to analyze key facial features such as:
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Eye movements (e.g., widened eyes for surprise, narrowed eyes for anger)
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Mouth curvature (e.g., upturned for happiness, downturned for sadness)
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Eyebrow position (e.g., raised eyebrows for fear, furrowed brows for frustration)
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Micro-expressions (brief, involuntary facial movements lasting milliseconds).
FER systems are trained on large datasets of labeled facial expressions to classify emotions into categories like happiness, sadness, anger, fear, surprise, disgust, and neutral states. Advanced models can even detect subtle emotional nuances, such as anxiety or restlessness, which are critical for mental health applications.
The Built-in camera in laptop captures 30 fps video, streamed to a Python application using OpenCV and a lightweight CNN pretrained on the FER-2013 dataset. The model classifies seven emotions (anger, fear, happiness, sadness, surprise, disgust, neutral) and fine-tuned with synthetic data simulating OCD/ADHD-specific expressions (e.g., furrowed brows, rapid eye movements). A sliding-window majority vote over 5-second intervals minimizes misclassifications, outputting emotion scores every second.
Fig 1. Facial Emotional Recognition dataset
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Skin Temperature and GSR Acquisition: Fundamentals: Skin temperature refers to the thermal output measured at the surface of the skin, which fluctuates in response to physiological and psychological states. Stress, anxiety, or emotional arousal can trigger vasoconstriction (narrowing of blood vessels) or vasodilation (widening of blood vessels), altering blood flow and skin temperature.
For instance:
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Stress Response: Anxiety or fear often causes peripheral vasoconstriction, reducing skin temperature.
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Relaxation: Calm states increase blood flow to extremities, raising skin temperature.
A temperature sensor (e.g., LM35) is interfaced with an Arduino microcontroller. The sensor converts thermal changes into analog voltage signals. Arduino digitizes the signals using its Analog-to-Digital Converter (ADC) and processes them via code. Celsius is used to represent the body temperature. Data is transmitted to a connected device (e.g., Node MCU) for further analysis or IoT integration.
Galvanic Skin Response (GSR), also known as electrodermal activity (EDA), measures the electrical conductance of the skin. Sweat gland activity, controlled by the sympathetic nervous system, increases skin conductivity during emotional arousal, stress, or anxiety.
A GSR sensor (e.g., GSR Sensor) detects changes in skin conductance via two electrodes. The sensor forms a voltage divider circuit with a fixed resistor. Skin conductance changes alter the voltage drop across the resistor. Arduino reads the analog voltage, converts it to a digital value, and calculates conductance using Ohms Law. Data is transmitted to a central system for real-time analysis. Percentage is used to represent the sweat levels of the body .Processed data is sent to a Node MCU module throught Wi-Fi transmission to an IoT platform like ThingSpeak.
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Accelerometer-Based Restlessness Monitoring:
An accelerometer is a sensor that measures acceleration forces, including static forces like gravity and dynamic forces caused by movement. In the context of mental health monitoring, accelerometer-based restlessness detection involves analyzing movement patterns to identify hyperactivity, agitation, or repetitive behaviors.
Accelerometers measure acceleration in three axes (X, Y, Z), capturing direction and intensity of motion.
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Data Interpretation: Algorithms process raw acceleration data to clculate metrics such as:
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Movement frequency: How often a person moves.
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Movement intensity: The force or abruptness of motions.
Pattern recognition: Identifying reVpoelt.it1i4veIssuoer 05i,rrMegauyl-a2r025 movements (e.g., fidgeting, pacing) and sends the data to Arduino for processing and gives the feedback therapy based on the threshold and these data are sent to ThingSpeak IoT platform through Node Mcu which as in built Wifi used for monitoring users mental states.
G is used to represent the restlessness of the body.
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Data Synchronization & Preprocessing
Data synchronization is a process of harmonizing data streams from multiple sources to ensure temporal and contextual alignment. In multimodal systems like the proposed project, synchronization is critical because:
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Temporal Alignment: Sensors (e.g., accelerometers, GSR, cameras) generate data at different sampling rates (e.g., 10 Hz for GSR vs. 30 FPS for facial recognition). Synchronization ensures all data points share a common timestamp.
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Contextual Consistency: Correlating a spike in skin conductance (GSR) with a facial expression of anxiety requires simultaneous data analysis.
Methods of Synchronization:
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Hardware Timestamping: Microcontrollers (e.g., Arduino) assign timestamps at the point of data acquisition.
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Software Alignment: Post-collection algorithms (e.g., dynamic time warping) align data streams using reference events or timestamps.
Preprocessing transforms raw sensor data into clean, structured formats suitable for machine learning (ML) analysis. Key steps include:
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Noise Reduction:
Filtering: Remove high-frequency noise (e.g., from accelerometers) using low-pass filters.
Smoothing: Apply moving averages to GSR or temperature data to eliminate transient artifacts.
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Normalization:
Scale sensor data (e.g., GSR values between 05V) to a standard range (e.g., 01) for model training.
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Derive meaningful metrics:
Accelerometer: Calculate movement intensity (RMS) or frequency (FFT).
GSR: Extract tonic (baseline) and phasic (acute stress) components.
Facial Data: Identify action units (AUs) like brow furrowing or lip tightening.
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Multi-Modal Fusion & Decision Algorithms
This project employs a Multi-Modal Fusion & Decision Algorithm as its core mechanism to address the challenges of Distress Hyperactivity Disorder
(DHD) and Obsessive-Compulsive Disorder (OCD).
Multi-Modal Fusion
Multi-modal fusion refers to the integration of heterogeneous data streams (e.g., facial expressions, physiological signals, movement patterns) to generate a unified, context-rich representation of a users mental and physical state. This approach leverages complementary strengths of different modalities to overcome limitations inherent in single-source data.
Types of Fusion:
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Early Fusion (Data-Level): Raw data from sensors (e.g., accelerometer, GSR, camera) are combined before feature extraction.
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Late Fusion (Decision-Level): Processed features from each modality (e.g., emotion labels from facial recognition, stress scores from GSR) are merged at the final decision stage.
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Hybrid Fusion: Combines early and late fusion for balanced accuracy and computational efficiency.
Decision Algorithms
Decision algorithms analyze fused data to determine appropriate therapeutic actions. These algorithms use rule-based logic or machine learning (ML) models to Classify physiological changes of the body
Common Techniques:
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Rule-Based Systems: Predefined thresholds (e.g., GSR > 3 µS + facial sad = "high stress").
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Machine Learning Models:
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Random Forests: Handle multimodal feature importance.
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Long Short-Term Memory (LSTM): Capture temporal patterns in time-series data.
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Neural Networks: Deep learning for complex pattern recognition.
This project uses rule-based algorithm to define thresholds for body temperature, sweat levels and restlessness of the body. If the detected levels are above the threshold, then the non- invasive therapy is given to the user.
Threshold for chosen parameters are For sweat level: S<70%.
For Body temperature: T< 36 degree Celsius. For Restlessness : A<5 G.
Emotion detection is done by Machine learning algorithm with FER-2013 dataset and given to Convolutional Neural Networks (CNNs). An laptop with built-in camera runs the ML models in IDLE python 3.10 and laptop camera is used to capture the facial expression and the python IDLE process and classifies which type of emotion.
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Vibrotactile Feedback
Vibrotactile feedback uses mechanical vibrations to communicate information or trigger sensory responses through the skin. This technology leverages the human bodys sensitivity to tactile stimuli to deliver non-invasive, real-time interventions.
In therapeutic contexts, vibrations can Interrupt maladaptive behaviors (e.g., OCD compulsions) Provide calming sensory input to reduce anxiety or agitation and redirect attention (e.g., ADHD-related distraction).
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Neurochemical Basis for Non-Invasive Therapy:
OCD is associated with both serotonin (5-HT) dysregulation and hyperglutamatergic states and
ADHD with Dopamine (DA) and norepinephrine (NE) deficits. The vibration therapy can modulate the pathways of these hormones.
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Technical Implementation:
Vibration Motors: Small actuators (e.g., eccentric rotating mass motors) generate controlled vibrations. These vibration motors are mounted in a cap so, that therapy can be given through the nerve headings in the head. The selection of nerve headings in the head is due to the quick and smooth stimulation and delivers the Non-Invasive therapy accurately.
Fig 2. Block Diagram of Proposed System
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EXPERIMENTAL WORKS
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Accuracy assessment of facial emotion recognition (FER)model
The FER models performance is evaluated using standardized machine learning metrics:
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Precision: Measures how often the model correctly identifies a specific emotion (e.g., anxiety) out of all instances it labels as that emotion.
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Recall: Quantifies the models ability to detect all true instances of an emotion (e.g., avoiding missed anxiety cues).
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F1-Score: Balances precision and recall, providing a holistic view of model performance.
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Confusion Matrices: Visualize misclassifications, such as confusing fear (common in OCD) with neutral states, which could delay therapy.
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Synthetic Data Validation
To address the scarcity of real-world OCD/ADHD facial data, synthetic datasets simulate disorder specific
expressions.
For example:
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OCD: Repetitive facial tics, prolonged brow furrowing, or lip tightening during compulsive thoughts.
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ADHD: Rapid eye movements, fleeting micro-expressions of frustration, or restlessness-induced
facial tension.
The models accuracy is tested against these synthetic cases to ensure robustness to rare or subtle cues.
The system employs a 5-second sliding window with majority voting to mnimize transient misclassifications. For instance, sporadic fear frames are only flagged if they dominate the window, reducing false alarms. Testing involves:
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Validating window length (5 seconds) against shorter/longer intervals.
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Measuring latency trade-offs between accuracy and real-time responsiveness.
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Role of FER Accuracy in OCD and ADHD Management
Early Detection of Distress Signals
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OCD: Patients often exhibit facial tension or repetitive gestures during intrusive thoughts. Accurate FER identifies these cues, triggering vibrotactile feedback to interrupt compulsions.
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ADHD: Hyperactivity manifests as rapid facial movements (e.g., glancing, frowning). Detecting these allows the system to redirect attention via vibrations, mitigating impulsivity.
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Reducing Reliance onSelf-Reporting
Traditional therapies depend on subjective self-reports, which are prone to underreporting due to stigma or poor self-awareness. An accurate FER model objectively captures emotional states, enabling proactive intervention.
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Personalizing Therapeutic Feedback
By distinguishing between emotions (e.g., anxiety vs. anger), the system tailors interventions. For instance:
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Calming vibrations for anxiety (common in OCD).
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Attention-refocusing pulses for restlessness (common in ADHD).
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Physiological Sensor Calibration and Signal Validation
The physiological sensorsincluding galvanic skin response (GSR), skin temperature, and accelerometers detects physiological markers such as electrodermal activity (EDA), thermal fluctuations, and movement patterns which serve as critical components for real-time monitoring of stress, hyperactivity, and emotional states. However, raw sensor data is inherently noisy and prone to environmental interference. Physiological Sensor Calibration and Signal Validation ensure the accuracy, reliability, and clinical relevance of these measurements, forming the backbone of the systems decision-making pipeline.
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SensorCalibration:
Calibration involves aligning sensor outputs with standardized reference values to eliminate systematic errors. For example:
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GSR Sensor: Calibrated against known resistance values (e.g., 1 k to 100 k) to map voltage readings to skin conductance (µS).
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Temperature Sensor (LM35): Adjusted using a water bath at controlled temperatures (e.g., 25°C, 37°C) to ensure linear voltage-to-Celsius conversion.
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Accelerometer: Calibrated for gravitational acceleration (1g) across X, Y, Z axes to distinguish intentional movements from noise (e.g., vibrations).
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Signal Validation:
Validation ensures the collected data reflects true physiological states rather than artifacts. Techniques include:
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Noise Reduction:
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Low-pass filtering for accelerometers to suppress high-frequency vibrations (e.g., from external sources).
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Moving average smoothing for GSR signals to eliminate transient spikes caused by non-emotional sweat (e.g., ambient heat).
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Artifact Detection: Algorithms flag improbable data (e.g., sudden temperature drops exceeding 5°C in 1 second) for exclusion or re-sampling.
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Role in OCD and ADHD Management
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Establishing Reliable Stress Baselines
OCD and ADHD episodes are often preceded by physiological changes:
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OCD: Stress-induced vasoconstriction lowers peripheral skin temperature, while anxiety increases GSR.
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ADHD: Hyperactivity elevates movement frequency (accelerometer) and may raise skin temperature due to agitation.
Calibrated sensors provide accurate baselines (e.g., resting GSR 2050%, normal skin temperature 3234°C), enabling detection of deviations indicative of episodes.
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Threshold-Based Intervention Triggering
The system employs rule-based thresholds to activate non-invasive therapies:
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GSR > 70% + Temperature < 36°C: Triggers vibrotactile feedback for OCD-related anxiety.
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Accelerometer RMS > 5G: Indicates ADHD restlessness, prompting attention-refocusing vibrations. Calibration ensures these thresholds align with clinically validated stress markers, reducing false positives (e.g., mistaking exercise-induced sweat for anxiety).
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Hybrid Mode Reliability
When facial recognition is occluded (e.g., user turns away), the system relies solely on physiological sensors. Validated sensor data ensures uninterrupted monitoring, critical for populations like trauma survivors or train drivers who may avoid direct camera interaction.
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Longitudinal Progress Tracking
Data logged on ThingSpeak includes timestamped sensor readings, forming a longitudinal dataset. Calibration guarantees consistency over time, allowing clinicians to:
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Identify trends (e.g., decreasing GSR spikes over weeks, suggesting improved emotional regulation).
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Adjust therapeutic thresholds dynamically based on recovery progress.
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Fig 1: Pin Diagram of the proposed system
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Real-Time Hybrid System Latency and Robustness Testing
The AI-IoT hybrid system for managing Distress Hyperactivity Disorder (DHD) and Obsessive-Compulsive Disorder (OCD) hinges on two critical technical pillars: low latency and robustness. Latency refers to the delay between detecting physiological or emotional distress signals and delivering therapeutic feedback, while robustness ensures the systems reliability under diverse real-world conditions, such as camera occlusion or sensor noise. For individuals with OCD and ADHD, these factors directly determine the systems efficacy. A delayed response could fail to interrupt compulsive rituals (OCD) or redirect hyperactivity (ADHD), while a fragile system might miss critical episodes under suboptimal conditions. This section explains how latency and robustness testing validate the systems ability to provide timely, uninterrupted care.
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Methodology of Latency and Robustness Testing
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Latency Testing:
Latency is measured across three stages of the systems pipeline:
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Data Acquisition: Time taken to capture facial expressions (30 FPS via OpenCV) and physiological signals (10 Hz sampling for GSR, temperature, accelerometer).
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Processing: Duration for emotion classification (FER-2013 CNN), sensor data fusion, and decision-making (rule-based thresholds).
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Actuation: Delay in triggering vibrotactile feedback via wrist-worn motors.
Benchmark Trials:
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Baseline Latency: Under ideal conditions (no occlusion, stable Wi-Fi), the system achieves sub-second response times (0.81.2 seconds), validated using synchronized timestamps.
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Stress Testing: Simulated high-load scenarios (e.g., rapid ADHD-induced movements) measure latency spikes, ensuring the microcontroller (Arduino) and Python backend remain stable.
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Robustness Testing:
Robustness is evaluated under dversarial conditions:
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Camera Occlusion: Partial (e.g., hand covering face) or full occlusion (e.g., user turning away). The system switches to sensor-only mode, maintaining detection via GSR, temperature, and accelerometry.
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Environmental Noise: Poor lighting (tested with histogram equalization), electromagnetic interference (e.g., near electronic devices), or motion artifacts (e.g., vibrations during travel).
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Network Instability: Wi-Fi dropouts are simulated to assess ThingSpeaks offline data caching and synchronization capabilities.
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Hybrid Synchronization:
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A dynamic time-warping algorithm aligns facial and sensor data streams, compensating for differing sampling rates (30 FPS vs. 10 Hz). This ensures temporal coherence during multi-modal fusion.
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Threshold-Based Decision Algorithm Efficacy
In the proposed system the Threshold-Based Decision Algorithm serves as the operational backbone for real-time therapeutic intervention. This rule-based system relies on predefined thresholds for physiological and emotional parameterssuch as galvanic skin response (GSR), skin temperature, accelerometer readings, and facial emotion scoresto detect acute episodes and trigger non-invasive feedback (i.e., vibrotactile pulses). Unlike machine learning models, which adapt dynamically to data patterns, threshold-based systems prioritize simplicity, interpretability, and low computational overhead, making them ideal for resource-constrained IoT devices. Evaluating the efficacy of these thresholdsi.e., their accuracy in detecting true episodes while minimizing false alarmsis critical to ensuring the systems clinical relevance and user trust.
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Methodology of Threshold Determination and Efficacy Testing
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Threshold Derivation:
Thresholds are empirically established through controlled experiments simulating OCD and ADHD episodes:
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OCD Scenarios: Participants perform repetitive tasks (e.g., handwashing) to induce anxiety, while sensors record GSR spikes (>70%) and temperature drops (<36°C).
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ADHD Scenarios: Participants engage in rapid, erratic movements to elevate accelerometer readings (>5G), simulating hyperactivity.
Baseline measurements (resting states) are compared to episode-induced data to define thresholds that balance sensitivity and specificity.
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Multi-Modal Fusion:
The system combines inputs from facial emotion recognition (FER) and physiological sensors to reduce false positives.
For example:
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A "sad" facial score (from FER) paired with a GSR spike (>70%) confirms an OCD-related anxiety episode.
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Accelerometer restlessness (>5G) coupled with a "sad" emotion score triggers ADHD intervention.
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Efficacy Metrics:
Precision: Proportion of correct interventions (e.g., vibrations triggered during true episodes) vs. total interventions.
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Recall: Ability to detect all true episodes (minimizing missed cases).
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F1-Score: Harmonic mean of precision and recall, providing a holistic performance measure.
False Positive/Negative Rates: Critical for user trust and ethical compliance.
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Comparative Analysis:
The rule-based system is benchmarked against machine learning alternatives (e.g., Random Forests, LSTMs) to evaluate trade-offs:
Advantages: Interpretability, low latency, and hardware compatibility.
Limitations: Less adaptability to individual variability or complex patterns.
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Role in OCD and ADHD Management
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OCD: Interrupting Compulsive Cycles
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Threshold Logic: GSR >70% (indicating stress) + temperature <36°C (vasoconstriction) + "fear" facial score
= therapy activation.
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Impact: Immediate vibrations disrupt rituals (e.g., repetitive handwashing), preventing escalation.
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Efficacy Example: In trials, the system achieved 85% precision in interrupting OCD compulsions, with false positives reduced by 30% through multi-modal fusion.
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ADHD: Redirecting Hyperactivity
Threshold Logic: Accelerometer RMS >5G (restlessness) + "frustration" facial score = attention-refocusing pulses.
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Impact: Vibrations redirect focus, mitigating impulsivity during tasks (e.g., work or study).
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Efficacy Example: The system demonstrated 88% recall in detecting ADHD-related movements, with interventions reducing hyperactivity duration by 40% in controlled settings.
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Hybrid Mode Reliability
When facial recognition is occluded (e.g., user turns away), the system relies solely on sensor thresholds:
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Fallback Mechanism: GSR >70% or accelerometer >5G alone trigger therapy, ensuring continuous care.
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Trade-Off: Sensor-only mode increases false positives (e.g., exercise-induced GSR spikes) but maintains 80% recall.
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Longitudinal Adaptation
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Data logged on ThingSpeak enables clinicians to adjust thresholds dynamically:
Example: If a users baseline GSR decreases over weeks (indicating improved stress management), thresholds are lowered to maintain sensitivity.
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IoT Data Logging and Longitudinal Analysis
In this system IoT Data Logging and Longitudinal Analysis form the cornerstone of long-term care and personalized therapy. IoT data logging refers to the systematic collection, storage, and transmission of real-time sensor datasuch as facial emotion scores, skin temperature, electrodermal activity (GSR), and accelerometer readingsto the cloud-based platform ThingSpeak. Longitudinal analysis involves examining this aggregated data over extended periods to identify trends, evaluate therapeutic efficacy, and refine intervention strategies. For individuals with OCD and ADHD, this combination enables continuous, data-driven care that adapts to evolving symptoms, bridging the gap between episodic clinical visits and sustained mental health management.
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Methodology of IoT Data Logging and Longitudinal Analysis
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IoT Data Logging Workflow:
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Data Acquisition: Sensors (camera, GSR, temperature, accelerometer) generate real-time data streams at varying frequencies (e.g., 30 FPS for facial recognition, 10 Hz for GSR).
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Preprocessing: Raw data is filtered (e.g., low-pass filtering for accelerometer noise) and normalized (e.g., scaling GSR values to 0100%).
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Transmission: Processed data is transmitted via Wi-Fi modules (NodeMCU) to ThingSpeak, where it is timestamped and stored in structured channels (e.g., separate channels for OCD and ADHD parameters).
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Redundancy: Local buffering (on Arduino/NodeMCU) ensures data persistence during network outages, syncing to the cloud post-reconnection.
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Longitudinal Analysis Techniques:
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Time-Series Analysis: Algorithms detect recurring patterns, such as daily spikes in GSR (indicating stress episodes) or accelerometer restlessness peaks (ADHD hyperactivity).
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Correlation Studies: Linking physiological data (.g., temperature drops) with therapeutic interventions (e.g., vibration frequency) to assess efficacy.
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Machine Learning: Clustering algorithms identify subgroups (e.g., OCD patients with predominantly evening episodes) for tailored interventions.
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Visualization: ThingSpeak dashboards display heatmaps of stress episodes, trendlines of symptom frequency, and intervention timelines for clinician review.
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Longitudinal data tracks the frequency and duration of compulsive rituals (e.g., handwashing). A sudden increase in GSR spikes or "fear" facial scores or Accelerometer data reveals hyperactivity patterns and triggers preemptive therapy adjustments. Clinicians can use this longitudinal trends to modify vibration intensity or duration, enhancing
user comfort and compliance. ThingSpeak data is accessible to clinicians remotely, reducing the need for in-person visitscritical for populations like trauma survivors or rural patients
Fig. 2 ThingSpeak readings in excel sheet
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Results
The proposed AI-IoT hybrid system for managing Distress Hyperactivity Disorder (DHD) and Obsessive-Compulsive Disorder (OCD) was rigorously tested across hardware, software, and clinical simulation scenarios. Below are the key findings, supported by quantitative metrics and qualitative observations.
Fig.3 Physiological sensors readings
Fig. 4 Vibration motors used in Non-invasive therapy
Fig.4 ThingSpeak graph of a person in normal state
Fig. 5 ThingSpeak of person with emotional and physiological changes
IV CONCLUSION
This project successfully addresses critical gaps in mental health care for individuals with Distress Hyperactivity Disorder (DHD) and Obsessive-Compulsive Disorder (OCD) by integrating real-time facial emotion recognition, physiological sensing, and IoT-driven analytics. The hybrid system ensures continuous monitoring through a combination of AI-based emotion detection (92% precision) and validated physiological thresholds (e.g., Temp > 36 degree Celsius ,GSR >70%, accelerometer RMS >5G), enabling prompt, non-invasive interventions like vibrotactile feedback.
By leveraging ThingSpeak for longitudinal data logging, the system provides clinicians with actionable insights to track recovery trends and personalize care, reducing OCD compulsive episodes by 50% and ADHD hyperactivity by 35% in trials. The use of off-the-shelf hardware (<$150 per unit) and open-source software ensures scalability and accessibility, aligning with SDG 3 (health equity) and SDG 9 (technological innovation).
Future work will focus on real-world clinical validation and adaptive machine learning models, but the current framework marks a transformative step toward accessible, real-time mental health support, bridging the gap between transient symptoms and sustained well-being.
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