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Digital Behavioral Science Lab (WPI-IIIS)
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The lab combines cognitive behavioral therapy with AI to expand access to mental health support.
AboutAbout the lab
Solving mental health problems with psychology and technology
The Digital Behavioral Science Lab combines cognitive behavioral therapy with generative AI and the latest technologies, aiming to make mental health support easy for everyone to use and to spread it throughout society.
The lab conducts research that integrates clinical psychology, medicine, and information science, and its researchers include people qualified as clinical psychologists, physicians, and nurses.
The lab also uses sensing devices that measure gaze, skin potential, and other signals to capture, from multiple angles (multimodally), the mental and physical changes that occur during cognitive behavioral therapy.
Graduate students are accepted through the Basic Psychological Science subprogram of the Degree Program in Psychology. The lab does not provide guidance for clinical psychologist training courses.
Key terms
- Cognitive behavioral therapy
- A method that reviews habits of thinking and behavior to help improve mental and physical symptoms and enhance well-being. Abbreviated as CBT.
- Multimodal
- Capturing something from multiple angles by combining several different types of information, such as gaze and skin potential.
- CBT-I
- Cognitive behavioral therapy for insomnia. Patients learn the basic principles that support sleep while reviewing behavior patterns that interfere with sleep.
ResearchResearch themes
The lab combines generative AI and sensing devices with psychotherapy that reviews habits of thinking and behavior, aiming to increase the number of people who can receive it. It is running multiple projects in parallel, including remote delivery of psychotherapy for insomnia and the development of an AI therapist.
*Illustrative imagePsychotherapy Using Human Augmentation Technology
Few therapists worldwide can deliver cognitive behavioral therapy for insomnia (CBT-I), and in Japan most medical institutions do not offer it. The lab tests the effectiveness and feasibility of implementing remote CBT-I, in which medical institutions are connected to a sleep clinic by videoconferencing, and also aims to clarify its mechanism of action by using sensing devices to visualize information during psychotherapy.
*Illustrative imageDevelopment of a High-Fidelity AI Therapist
The need for psychotherapy is growing worldwide, but learning and delivering it is extremely costly, so it does not sufficiently reach those who need it. The lab aims to implement next-generation psychotherapy by developing an AI therapist that has learned clinical psychology knowledge and counseling skills, and by linking diverse digital data.
*Illustrative imageReal-Time Adaptive AI for Sleep Medicine
X-PAI (a Japan-U.S. AI partnership) is a joint AI research project by Amazon, NVIDIA, the University of Washington, and the University of Tsukuba. The lab is in charge of the challenge of real-time adaptive AI for sleep diagnosis, treatment, and psychotherapy, and works with researchers at the University of Washington to develop AI that adapts to clinical practice in sleep medicine.
*Illustrative imageRemote Psychotherapy (ReCIPE)
Remote CBT-I delivered by videoconferencing or similar means is harder to access for people who are not comfortable with digital tools. The lab therefore lets patients with insomnia who visit a local primary care doctor choose between videoconference and telephone, and is testing the feasibility of implementing remote CBT-I.
MembersFaculty
The members of the Digital Behavioral Science Lab consist of faculty, researchers, doctoral students, visiting researchers, research interns, technical assistants, and secretaries.As of 2026
- Project Associate ProfessorShun Nakajima
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Single person cabin in the night train from Budapest to Berlin” Alex Sirac / CC BY 4.0 (cropped)
- Psychotherapy Using Human Augmentation Technology: “Kid using VR headset - )” jencu / CC BY 2.0 (cropped)
- Development of a High-Fidelity AI Therapist: “Psychotherapy” Jty33 / CC BY-SA 3.0 (cropped)
- Real-Time Adaptive AI for Sleep Medicine: “Polysomnography model” Clinique Somnomed / CC BY-SA 4.0 (cropped)
- Remote Psychotherapy (ReCIPE): “Telemedicine Consult” Intel Free Press / CC BY-SA 2.0 (cropped)
- Related lab (バイオインフォマティクス): “Eppendorf epMotion 5075 liquid handling robot” Magnus Manske / CC BY-SA 3.0 (cropped)
- Related lab (医学数理情報学): “Laptop and stethoscope ( )” jfcherry / CC BY-SA 2.0 (cropped)
- Related lab (病院診療研究G
（病理部） ): “Tissue processing - Microtome is used to cut a ribbon of 5-micron-thick sections from the paraffin block” Ed Uthman / CC BY-SA 2.0 (cropped) - Related lab (国際社会医学): “Children's Track of Road Safety Education in Malaga” Daniel Capilla / CC BY-SA 4.0 (cropped)
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