PRACTICE EXAM Flashcards
what does the visual system use in visual processing
simple cells, complex cells, context and memory
what neurotransmitter causes a muscle to contract
serotonin
what are ganglion cells
cells that get info from photoreceptor cells
axons from ganglion cells lead to the…
lateral geniculate nucleus (LGN)
what’s the dorsal visual stream and where does it go from and to where
involvement in identifying the “what” of objects. starts from LGN to the parietal lobe
what’s the ventral stream
helps in color perception and object recognition
neuropeptide (NPY)
hunger hormone that increases appetite, released in arcuate nucleus
leptin
decreases appetite, released in fat cells
ghrelin
increases appetite, released in gastrointestinal tract
cholecystokinin (CCK)
decreases appetite, released in small intestine
insulin
decreases appetite, from pancreas
allostasis
behavior/physiological changes to maintain homeostasis when demand changes
what are the tonotopic organs in the ear
basilar membrane and primary audio cortex
posterior pituitary gland
releases hormones, regulates homeostasis
anterior pituitary gland
takes signals from hypothalmus
