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cog chp 2 top 4
Large-Scale Brain Organization
Question | Answer |
---|---|
Define Grey Matter | Neuronal Cell bodies (outer layer of brain) |
Define White Matter | Myelinated axons (inner part of the brain) |
Define Corpus Callosum | Myelinated connector of the brain hemispheres |
Name the 3 structures of the brain | Forebrain Midbrain Hindbrain |
Define Forebrain | Surrounds mid and hind Contains all 4 lobes |
Define Midbrain | transfers auditory info to forebrain conducts eye movement Contains motor and sensory information source for NT |
Define Hindbrain | Contains physiological functions on top of the spinal cord cerebellum is the largest region |
T or F, front of the brain is called anterior | T |
T or F, Back of the brain is called posterior | T |
T or F, Inferior means dorsal | F |
T or F, superior means ventral | F |
Define Cerebral Cortex | Outer layer of forebrain 3mm thick 80% of the brain 300 in^2 or 2000 cm^2 4 lobes sensory motor association |
what happens in association areas? | Cognitive functions Analyzes data from senses represent non physical things through showing |
what happens in Motor Areas | Control muscle movement Signals leave from brain to destination more movement= more brain power |
what happens in Sensory Areas | control senses Destination of signals Somatosensory= from skin Sensitive body parts have sensitive regions |
Contralateral | One side of the brain controls the other side |
Subcortical structures | Thalamus Hypthalamus Limbic System |
What is the Limbic system made of | Amygdala and Hippocampus |
Role of Thalamus | Messanger for processing |
Role of hippocampus | learning and memory |
role of amygdala | emotional processing |
role of hypothalamus | behavior for physiological needs |
C, F, T, M, H, A, H | Colorful Fruits Taste Maginificent Healthy Always Happy |
Brain Lateralization | Brain is connected by fiber bundles/ commissures Right Brain= Vision and Audio Left Brain= Communcation |
Split brain patients have | limited communication last call for epilepsy |