Current participants: effective December 16, 2024, the Cogstate assessment will no longer be available through the APT Webstudy. A new cognitive test, the Boston Remote Assessment for Neurocognitive Health (BRANCH), will be available to you in 2025. For more information, please visit the Commonly Asked Questions page.

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We respond to inquiries during normal business hours: Monday through Friday, 8am to 5pm Pacific Time USA. We are closed all major holidays but typically respond within three business days.

Please contact us using the form below, email us at info@aptwebstudy.org, or call us at 1-858-877-3135.

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