# The Brain Is One Interactive System Not Two Rival Sides by Stephen M. Kosslyn > “First, the idea that each of us relies primarily on one or the other hemisphere is not empirically justifiable. The evidence indicates that each of us uses all of our brain, not primarily one side or the other. The brain is a single, interactive system, with the parts working in concert to accomplish a given task.” > **— Stephen M. Kosslyn**, *2014 Edge Annual Question, response passage* ## Sources and Context - **Original Edge response:** [Left Brain/Right Brain — Stephen M. Kosslyn](https://www.edge.org/response-detail/25470) — a verbatim passage from Stephen M. Kosslyn's 2014 Annual Question response, expressing the author's position at the time. The linked response supplies its surrounding context. - **Local archival entry:** [[research/Edge 2014 Full Quotation Curation|Edge 2014 Full Quotation Curation]] (EDGE2014-063). ## Related Articles and Collections - **Collection:** [[collections/Edge|Edge]] - **Collection:** [[collections/Consciousness Continuity|Consciousness Continuity]] - **Article:** [[articles/Technologies for Consciousness Mapping and Transfer|Technologies for Consciousness Mapping and Transfer]] - **Article:** [[articles/The Organic-Synthetic Brain Atlas|The Organic-Synthetic Brain Atlas]] - **Article:** [[articles/Mind Uploading and AI — The Host is Reusable and the Person is the Delta|Mind Uploading and AI — The Host is Reusable and the Person is the Delta]] ## Related Topics - [[wiki/Cognitive Architecture|Cognitive Architecture]] ## Share on Social Media ``` “First, the idea that each of us relies primarily on one or the other hemisphere is not empirically justifiable. The evidence indicates that each of us uses all of our brain, not primarily one side or the other. The brain is a single, interactive system, with the parts working in concert to accomplish a given task.” — Stephen M. Kosslyn, 2014 Edge Annual Question https://bryantmcgill.com/simple-reminders-stephen-kosslyn-brain-one-interactive-system-not ```