extra Flashcards
what is exchanged at electrical synapses
ions and small molecules
naming of chemical synpase
depends on target cell
which neurotransmitters are stored in vesicles
conventional (small molecule) and neuropeptide
rapid and short acting receptors
fast synaptic potential
ionotropic receptors
slow synaptic potentials
long term effects
metabotropic receptors
what receptors are only GPCR
dopamine and neuropeptide receptors
what are EPSP and IPSP due to
activation or ionotropic receptors
activation/ inhibition of ion channesl via GPCR
what kind of potentials are post synaptic potentials
graded
what does synpatic integration include
temrporal and spatial summation
what is synpatic integration
multiple post synpatic potential either at same synpase or multiple synpases working together
two ways of altering synpatic strength
synaptic modulation
synaptic plasticity
synaptic modulation
faciitation and inhibition
synpatic palsticity
potentiation and depression
magnitude of postsynaptic potential
synpatic strength
neuromodulator dependant
synaptic modulation
what occurs at cell body and what occurs at synpases
cell body- sumamtion
synapses- modulation/ plasticity
form connective tissue of brain
glia
functional barrier between interstitial fluid and blood
BBB
what does the BBB separate
interstitial fluid and blood
circumventricular organs
leaky areas of blood brain barrier
neuroyophyiss of pituitary
interconnect brain areas
white matter
tactile exploration
motor areas adjascent to sensory areas for the same body regions
area in front of central sulcus
primary motor cortex
what control muscles on opposite side of the body
primary motor cortex
what does each hemisphere of occipital lobe recieve info from
both eyes in one hemifield
what receives topographical sensory fibres fron cochlea of each ear, mapped by pitch
primary auditory cortex
where is limbic association cortex
temporal lobe
higher order processing of auditory and visual information- language comprehention and object perception
ventral stream in associative areas in temporal lobe
wehre do nerve tracts originating in cortex cross
corss before continuing down spinal chord
what does the primary motor cortex not do
initiate voluntary movement
plays preparatory role in programming complex sequences of movement, responds to remembered movemenst, active during action and imagination of action
supplementary motor area
signals preparing for movement, informed of bodys position in relation to targer, codes for behaviour goals and correct and incorrect actions
premotor cortex
planning and organization of goal directed behaviour, working memory and decision making
prefrontal cortex
integrates touch, vision, and audition info in spacial context- dorsal stream
associative parietal cortex
where do sensory neurons cross
at the cerebellum
association areas
prefrontal association cortex
parietal- temporal- occipital association cortex
limbic association cortex
take info and plan purposful action
