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Cognitive & Behavioral Assessment Toolbox (CBAT): An open‐source platform supporting experiments in computational psychiatry.

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Title: Cognitive & Behavioral Assessment Toolbox (CBAT): An open‐source platform supporting experiments in computational psychiatry.
Authors: Toyama, Asako (AUTHOR), Kunisato, Yoshihiko (AUTHOR), Yamashita, Yuichi (AUTHOR), Suzuki, Shinsuke (AUTHOR)
Source: Psychiatry & Clinical Neurosciences. Jun2026, Vol. 80 Issue 6, p469-476. 8p.
Subjects: Open source software, Psychiatric research, Behavioral research, Software frameworks, Attention testing
Abstract: Aims: Large‐scale behavioral experiments are increasingly recognized as essential in psychiatric research based on a transdiagnostic dimensional view of mental disorders. However, advanced programming skills and substantial financial resources are usually needed to conduct such experiments, posing a barrier for new researchers. In this study, we introduce and validate an open‐source platform, the Cognitive & Behavioral Assessment Toolbox (CBAT), which enables researchers to conduct large‐scale behavioral experiments without the need for advanced programming expertise. Methods: To validate the CBAT, we conducted an online behavioral experiment involving 1309 Japanese participants. Participants completed four behavioral tasks that can be deployed using the CBAT: the attention network test, the beads task, the probabilistic reward task, and the delay and probability discounting task. In addition, demographic information and self‐report questionnaires, including psychiatric symptom scales, were collected. Results: The behavioral data successfully replicated key findings in prior studies that employed the four behavioral tasks. Specifically, we observed classic attentional network effects in the attention network test, conservative information sampling in the beads task, expected response bias in the probabilistic reward task, and robust delay and probability discounting in the delay and probability discounting task. Conclusions: These findings demonstrate the empirical validity and broad utility of the CBAT. By facilitating behavioral experiments, the CBAT provides a flexible infrastructure to support transdiagnostic psychiatric research and investigations in other related fields. As it does not require advanced programming skills or significant financial resources, the CBAT lowers the barrier to conducting high‐quality research and promotes open science in psychiatry. [ABSTRACT FROM AUTHOR]
Copyright of Psychiatry & Clinical Neurosciences is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Cognitive & Behavioral Assessment Toolbox (CBAT): An open‐source platform supporting experiments in computational psychiatry.
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  Data: <searchLink fieldCode="AR" term="%22Toyama%2C+Asako%22">Toyama, Asako</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kunisato%2C+Yoshihiko%22">Kunisato, Yoshihiko</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yamashita%2C+Yuichi%22">Yamashita, Yuichi</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Suzuki%2C+Shinsuke%22">Suzuki, Shinsuke</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Psychiatry+%26+Clinical+Neurosciences%22">Psychiatry & Clinical Neurosciences</searchLink>. Jun2026, Vol. 80 Issue 6, p469-476. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Open+source+software%22">Open source software</searchLink><br /><searchLink fieldCode="DE" term="%22Psychiatric+research%22">Psychiatric research</searchLink><br /><searchLink fieldCode="DE" term="%22Behavioral+research%22">Behavioral research</searchLink><br /><searchLink fieldCode="DE" term="%22Software+frameworks%22">Software frameworks</searchLink><br /><searchLink fieldCode="DE" term="%22Attention+testing%22">Attention testing</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Aims: Large‐scale behavioral experiments are increasingly recognized as essential in psychiatric research based on a transdiagnostic dimensional view of mental disorders. However, advanced programming skills and substantial financial resources are usually needed to conduct such experiments, posing a barrier for new researchers. In this study, we introduce and validate an open‐source platform, the Cognitive & Behavioral Assessment Toolbox (CBAT), which enables researchers to conduct large‐scale behavioral experiments without the need for advanced programming expertise. Methods: To validate the CBAT, we conducted an online behavioral experiment involving 1309 Japanese participants. Participants completed four behavioral tasks that can be deployed using the CBAT: the attention network test, the beads task, the probabilistic reward task, and the delay and probability discounting task. In addition, demographic information and self‐report questionnaires, including psychiatric symptom scales, were collected. Results: The behavioral data successfully replicated key findings in prior studies that employed the four behavioral tasks. Specifically, we observed classic attentional network effects in the attention network test, conservative information sampling in the beads task, expected response bias in the probabilistic reward task, and robust delay and probability discounting in the delay and probability discounting task. Conclusions: These findings demonstrate the empirical validity and broad utility of the CBAT. By facilitating behavioral experiments, the CBAT provides a flexible infrastructure to support transdiagnostic psychiatric research and investigations in other related fields. As it does not require advanced programming skills or significant financial resources, the CBAT lowers the barrier to conducting high‐quality research and promotes open science in psychiatry. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Psychiatry & Clinical Neurosciences is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=194403056
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        Value: 10.1111/pcn.70045
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              Text: Jun2026
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              Y: 2026
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