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temporal cortex, hearing,

Hierarchical Sensory Pathway (where it runs)

(form) primary and secondary cortex
(to) lateral temporal cortex
(to) temporal lobes
medial temporal lobes
hippocampus

visual hierarchical pathway (location)

thru inferior temporal gyrus

auditory hierarchical pathway (location)

thru superior temporal gyrus

Dorsal Auditory Pathway

(from) primary and secondary auditory cortical region
(to) lateral temporal cortex
(to) temporal lobe

Hierarchical Sensory Pathway (function)

"What pathway"

Dorsal Auditory Pathway (function)

orienting, location of sound

Polymodal Pathway (where it is)

(from) auditory and visual hierarchical pathways
(to) superior temporal suclus

Polymodal Pathway (function)

help decide what category a stimulus belongs to

Medial Temporal Pathway

(from) perirhinal cortex (in temporal lobe)
(to) entominal cortex
(to) amygdala and hippocampus

Medial Temporal Pathway
Perforant Patwhay (function)

hooks up with emotional system and memory,
"aha!"
experience of knowing, etc

Perforant Patwhay (runs)

entominal cortex
(to) amygdala and hippocampus

Frontal Lobe Projection (parts, location)

neurons from temporal lobe project to frontal lobes
Posterior->dorsolateral prefrontal cortex
Anterior-> orbitofrontal cortex

Frontal Lobe Projection (function)

to help decide or plan what to do

Hemianopia

Blindness in one half of the visual field

Scotoma

Part of visual field missing, blind spot

Akinetopsia

unable to identify objects in motion; both sides V5 are affected; very rare; motion analysis problem

Achromotopsia

loss of ability to detect color when V4 is taken on both sides; (one V4= gray scale)

anatomy of outer ear

pinna (flaps), ear canal, ear drum

anatomy of middle ear

hammer (malleus), anvil (incus), stirrup (stapes)

anatomy of inner ear

nerve, cochlea

other names for the auditory nerve

vestibulocochlear; cochlear; auditory; n.VIII...

ossicles

hammer, anvil, stirrup

receptors for hearing (what & location)

auditory receptors, within membranes of cochlea, hair

progression of sound

pinna
canal
eardrum, "amplified motion"
cochlea, "tonotopic"
auditory nerve
cochlear nucleus
*superior oligary complex (c&i)
pons (i)
inferior colliculus (c)
primary auditoy cortex (tonotopic) [V1}

tonotopic

pertains to the way in which the primary auditory cortex is ORGANIZED so that neurons that respond to particular frequencies are grouped together

names for A1

Helschl's gyrus; B.area 41 &42; transverse temporal gyri

secondary auditory cortex (location&function

around primary auditory cortex; belt & para belt region

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