LIN 401 Lecture Notes - Lecture 22: Paul Broca, Diffusion Mri, Aphasia
Document Summary
A way to study the brain non-invasively. Neuroimaging fmri (functional magnetic resonance imaging) braincorresponds to where neurons are active. Shows connections between different areas of the brain. Measures electrical activity to pick up brain signals. Records magnetic fields to pick up brain signals. Neurological reaction to a specific type of stimulus. Chemical associated with metabolism to see the. N400 - 400 ms after stimulus, meaning related, reaction to words, signs, and environmental stimuli. P600 - related to syntax, unparseable sentences. Language is localized in the left hemisphere of the brain. He identified an area of the left hemisphere that was heavily involved in language processing, called broca"s area. Many language disorders involved damage being done to broca"s area. language problems after brain injury. Damage to wernicke"s area, but not broca"s. Damage to broca"s area but not wernicke"s. Discovered by german doctor carl wernicke, another area of the.
