PSYC 2 Lecture Notes - Lecture 4: Fusiform Face Area, Magnetic Resonance Imaging, Auditory Cortex
Document Summary
First 3 weeks: neural plate forms folds neural tube (the neck) Neural stem cell (nsc) symmetric division and asymmetric (ncs and ncps) Ncps: neural progrutor/radial glia cells which becomes neuron or astrocyte. Neural migration: neurons migrate along radial glial fibers. Later born neurons migrate past earlier born neurons 6 layers of development for neurons in different stages. Starting week 4: forebrain, midbrain, hindbrain, spinal cord (larger structures) Think of human on 4 legs to describe: cerebral cortex (outer area) Cortex major lobes: frontal: high level, emotions, planning, reasoning motor and speech control, parietal: somatosensation/touch, spatial processing, occipital visual processing, temporal auditory, long term memory, speech production. Brodman: found 52 different areas of cortex based on organization of different types of neurons. Visual and sensory cortex: have maps of visual world; neurons spaced accordingly for peripheral vs near eye. Auditory cortex: neurons near each other respond to higher pitch. Structural differences relate to functional differences (brodmann area)
