PSYB57H3 Chapter Notes - Chapter 2: Motor Cortex
Document Summary
The brain accounts for 2% of your body weight. You brain manages to claim about 20% of all blood supply in your body. Phineas gage, a young railroad man who in 1848 survived an explosion that drove an iron bar through his head: although he suffered bouts of depression and epileptic seizures following the accidents his cognitive abilities seemed remarkably unaffected. Specific cognitive mechanisms are associated with specific brain areas. The brain as the organ of the mind. Cognitive neuroscientists assume that the brain is composed of specific parts or modules. Modules: specific parts of the brain; each of which is responsible for a particular cognitive operation: debate set on whether the brain is modular. Where there"s variation in function-> there must be variation in the controlling structures: believed that the more highly developed a function was = the larger it would be= manifest as a protrusion on the skull.
