PSYB57H3 Final: Lecture-3
Document Summary
The brain as an organ of the mind. Inferred one"s intellectual strengths and weaknesses from examining bumps and dents in the skull. Phrenology: different areas of the brain control different functions (localization of function) The brain is modular (it has many modules for functions) Localization of function implies a connection between specific functions and specific functions of the brain. He studied the affects of ablation on the brain. Mental processes are due to the activity of the brain as a whole, not individual parts. Lashley"s law of mass action: learning and memory depend on the total mass of brain tissue remaining. Law of equipotentiality: even though certain brain regions are specialized, any other part of the brain an do the job of any other part of the brain. Commissures connect the 2 hemispheres, the biggest of which is the corpus callosum. The severing of the corpus callosum for the treatment of epilepsy.
