NEURO Chapter 2 Flashcards
Glutamate
Excitatory neurotransmission
Modulation of synaptic plasticity
Activation of second-messenger systems
GABA
Inhibitory neurotransmission
Acetylcholine
Muscle contraction
Autonomic functions
Parasympathetic functions
Neuromodulation
Norepinephrine
Sympathetic Functions
Neuromodulation
Dopamine
Neuromodulation
Serotonin
Neuromodulation
Histamine
Mainly excitatory neuromodulation
Glycine
Inhibitory neurotransmission
Peptides
Nueromodulation
Primary somatosensory cortex
Location:
Function:
postcentral gyrus
touch
Primary motor cortex
Location:
Function:
precentral gyrus
voluntary movement
Tertiary somatosensory cortex, posterior parietal association area
Location:
Function:
superior parietal lobe
stereognosis
Supplementary motor cortex, supplementary eye field, pre-motor cortex, frontal eye field
Location:
Function:
precentral gyrus + rostral adjacent cortex
limb and eye planning
Posterior parietal association area
Location:
Function:
superior parietal lobule
visuomotor, perception
Frontal eye fields
Location:
Function:
superior/middle frontal gyri, medial frontal lobe
saccadic eye movements
Prefrontal association cortex, frontal eye fields
Location:
Function:
superior/middle frontal gyri, medial frontal lobe
thought, cognition, movement planning
Primary visual cortex
Location:
Function:
Banks of calcarine fissure
vision
Secondary visual cortex
Location:
Function:
medial and lateral occipital gyri
vision, depth
Tertiary visual cortex
Location:
Function:
Medial and lateral occipital gyri
vision, color, motion, depth
Visual inferotemporal area
Location:
Function:
inferior and middle temporal gyrus
Forms vision
Higher order auditory cortex
Location:
Function:
superior temporal gyrus
hearing/speech
Limbic association cortex
Location:
Function:
cingulate gyrus, subcallosal area, retrospinal area, parahippocampal gyrus
emotions
Primary olfactory cortex, limbic association cortex
Location:
Function:
parahippocampal gyrus, temporal pole
smell, emotions
Parietal-temporal-occipital association cortex, middle temporal visual area
Location:
Function:
Middle and inferior temporal gyri at junction of temporal and occipital lobes
Perception, vision, reading, speech
Primary and secondary auditory cortex
Location:
Function:
Heschl’s gyri and superior temporal gyrus
Hearing
Gustatory cortex
Location:
Function:
insular cortex, frontoparietal operculum
taste
Broca’s area, lateral premotor cortex
Location:
Function:
Inferior frontal gyrus, frontal operculum
speech/movement planning
Prefrontal association cortex
Location:
Function:
Inferior/Middle frontal gyrus, frontal operculum
thought, cognition, planning behavior, eye movement
Cell layer of neocortex I
Name
Alternative Name
Main Connections
Dendrites and axons from other layers
Cell layer of neocortex II
Name
Alternative Name
Main Connections
Small pyramidal layer
external granular layer
cortical-cortical connections
Cell layer of neocortex III
Name
Alternative Name
Main Connections
Medium pyramidal layer
external pyramidal layer
cortical-cortical connections
Cell layer of neocortex IV
Name
Alternative Name
Main Connections
Grnaular layer
Internal granular layer
Receives input from thalamus
Cell layer of neocortex V
Name
Alternative Name
Main Connections
Large pyramidal layer
internal pyramidal layer
sends outputs to subcortical structures
Cell layer of neocortex VI
Name
Alternative Name
Main Connections
Polymorphic layer
Multiform layer
sends outputs to thalamus
CN I
olfactory
CN II
optic - vision
CN III
oculomotor - extraocular muscles, parasympathetics for pupil constriction (close vision)
CN IV
Trochlear - superior oblique muscle to move eye downward and inward
CN V
trigeminal - sensation for face, muscles of mastication
CN VI
abducens - lateral rectus muscle, abduction of eye
CN VII
facial - muscles of facial expresion, stapedius muscle, anterior 2/3 of tongue, lacrimation, submandibular and sublingual salivation
CN VIII
vestibulocochlear - eharing
CN IX
glossopharyngeal - posterior 1/3 of tongue, chemo/baroreceptors of carotids, parasympathetics to parotid gland
CN X
vagus - pharyngeal muscles (swallowing) laryngeal muscles (voicebox), parasympathetics to heart, lungs, GI, aortic arch chemo/baroreceptors
CN XI
spinal accessory - SCM, trapezius
CN XII
hypoglossal, muscles of tongue