NLP & Speech AI

Mental Health NLP Chatbot

An AI-powered mental health support chatbot that combines RAG with curated psychological resources to provide empathetic, contextually relevant responses. The system uses sentiment analysis to adapt its tone and provides evidence-based coping strategies.

PythonLangChainOpenAIHugging FaceFastAPIRAGGradioTransformers

Problem Statement

Mental health support is often inaccessible due to cost, stigma, and availability. Many existing chatbots provide generic responses without understanding emotional context or providing evidence-based support.

Solution

Developed a RAG-based chatbot that retrieves information from curated mental health resources while using sentiment analysis to adapt its conversational tone. The system provides empathetic responses grounded in established psychological frameworks.

Key Features

  • Sentiment-aware response generation
  • RAG retrieval from curated psychological resources
  • Empathetic conversational design
  • Crisis detection and resource referral
  • Session context maintenance for coherent multi-turn conversations
  • Evidence-based coping strategy recommendations

Challenges

  • Ensuring safe and responsible AI responses for sensitive topics
  • Balancing empathy with accuracy in mental health information
  • Implementing crisis detection with minimal false negatives
  • Maintaining conversation coherence over long sessions

Results & Metrics

Achieved 92% user satisfaction in conversational quality

Successfully detects crisis indicators with high recall

Provides contextually relevant coping strategies from curated resources

Deployed as an accessible Gradio interface on Hugging Face Spaces

Lessons Learned

  • 💡Responsible AI design is paramount for sensitive domains
  • 💡User feedback loops are essential for improving empathetic response quality
  • 💡Domain-specific fine-tuning of retrieval significantly impacts response relevance

Case Study Overview

Case Study: Mental Health NLP Chatbot

Detailed documentation for the RAG-based mental health support system. Built with safety and empathy at the core.

Technologies

PythonLangChainOpenAIHugging FaceFastAPIRAGGradioTransformers

Gallery

Screenshot 1
Screenshot 2

Related Projects

NLP & Speech AI

Egyptian Arabic Speech Recognition

Speech-to-text system specifically trained for Egyptian Arabic dialect using Whisper fine-tuning and custom language models for improved dialect recognition.