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Why Don't We Forget How to Ride a Bike? - Scientific American
Three kinds of memory: episodic (what happened), semantic (facts), and procedural (how to do stuff). Procedural is not easily forgotten.
brain  via:HackerNews  ScientificAmerican 
3 days ago by mcherm
Cracking the Code of Facial Recognition | Caltech
Neuron-level understanding of how primate brains recognize faces.
via:SlateStarCodex  brain 
3 days ago by mcherm
The Chamber of Guf | Slate Star Codex
The brain has proto-thoughts (and proto-behaviors) and selects which to promote to conscious thought. Mood affects this (anxiety = more fears). OCD patients can get obsessed with one bad thought (eg: I might be gay, when they aren't). OCD drugs help, so does explaining this. Also, what OCD people focus on depends on culture.
ScottAlexander  brain  psychology  via:SlateStarCodex 
3 days ago by mcherm
Uncoiling the spiral: Maths and hallucinations | plus.maths.org
Common visual patterns seen by those affected by drugs or those who are dying can be explained by understanding the geometry of visual processing in the brain.
vision  brain  opticalillusion  via:reddit 
3 days ago by mcherm
Treating The Prodrome: How Schizophrenia Works
Maybe aggressive treatment of early schizophrenia symptoms is important. Scott Alexander describes how schizophrenia might work: it causes random stimuli to be treated as overwhelmingly important. In the long run this changes your underlying beliefs and values.
brain  mental_illness  via:SlateStarCodex  ScottAlexander 
3 days ago by mcherm
Illusion of control: Why the world is full of buttons that don't work
"In New York City, only about 100 of the 1,000 crosswalk buttons actually function."
brain  psychology  control  button 
4 days ago by jntolva

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