{"version":"1.0","type":"card","id":"a74848f1-1283-4029-a64d-2397cb2a5312","url":"https://stacklist.com/card/a74848f1-1283-4029-a64d-2397cb2a5312","title":"Measuring Caffeine and L-Theanine Effects on Cognition","source_url":"https://www.frontiersin.org/journals/computer-science/articles/10.3389/fcomp.2020.00004/full","note":"This page presents a protocol for self-directed, mobile N-of-1 studies investigating the effects of caffeine and L-theanine on cognitive performance. It highlights the accessibility of using individual health data through digital tools to inform lifestyle changes.","image":{"url":"https://ucarecdn.com/4cd62271-6e01-40aa-908b-1bdf78679c2d/","alt":"Measuring Caffeine and L-Theanine Effects on Cognition","width":326,"height":184},"stack":{"id":"8f25870f-2bdd-4f05-aa24-5e84019c3b5e","title":"No Jitters. No Crash. No Excuses.: LSC100 + Clean Energy Science","url":"https://stacklist.com/stack/8f25870f-2bdd-4f05-aa24-5e84019c3b5e"},"created_at":"2026-09-15T13:57:02.335Z","updated_at":null,"aco":{"summary":"A digital platform for self-directed n-of-1 trials measures the effects of caffeine and L-theanine on cognitive performance through a mobile app with assessments for creative thinking, processing speed, and visual attention. The pilot study recruited over 40 participants within the first month of launch on the Apple App Store in October 2019.","tags":["n-of-1-trials","cognitive-performance","caffeine","l-theanine","digital-health","mobile-app","personalized-medicine"],"key_entities":[{"name":"Icahn School of Medicine at Mount Sinai","type":"organization","confidence":0.95},{"name":"Institute for Next Generation Healthcare","type":"organization","confidence":0.95},{"name":"Eddye Golden","type":"person","confidence":0.9},{"name":"Matthew Johnson","type":"person","confidence":0.9},{"name":"Jason Bobe","type":"person","confidence":0.9},{"name":"New York","type":"location","confidence":0.95},{"name":"N1 mobile application","type":"technology","confidence":0.9},{"name":"n-of-1 trial","type":"concept","confidence":0.95},{"name":"digital biomarkers","type":"concept","confidence":0.85},{"name":"NCT04056650","type":"event","confidence":0.9}],"classification":"reference","language":"en","confidence":0.85,"provenance":{"model":"claude-haiku-4-5","tool":"@stacklist/be@0.1.0","confidence":0.85,"timestamp":"2026-09-15T13:57:21.185Z"},"token_counts":{"approximate":12222,"cl100k":10621},"content_hash":"sha256:14ea9eabc244c7e9a0ee1527a3f3109d11061330943ae89caf404ec0493aad7a","acp_version":"0.2","body_available":true,"body_tokens":12222,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/a74848f1-1283-4029-a64d-2397cb2a5312.json","html":"https://stacklist.com/card/a74848f1-1283-4029-a64d-2397cb2a5312","md":"/api/public/card/a74848f1-1283-4029-a64d-2397cb2a5312.md","stack_json":"/api/public/stack/8f25870f-2bdd-4f05-aa24-5e84019c3b5e.json"}}