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B and E Exam 2

The Most Unaccountable of Machinery

QuestionAnswer
drugs that work to enhance GABA's ability to regulate glutamate anti-anxiety/Valium
reticular theory continuous mesh-Golgi
amines serotonin, dopamine, epinephrine
the human brain has __________ neurons 100 billion
inhibitory neurons short/ near cell body
modulators have a _________ _________ slower effect/ last longer
hormones travel throughout the body
electrical transmission can occur through gap junctions/ faster
Otto Loewi impulses= chemical transfer
GABA regulates glutamate Cl-
Eysenck inhibition/excitation= extroversion/introversion
2 requirements fulfilled by glutamate 1- NT 2- metabolism (proteins)
transmission in circuits involved in memory and emotional processes cortisol
keeps the amygdale from firing tonic inhibition/ GABA control
hindbrain medulla/pons/cerebellum
brainstem medulla/pons/midbrain
three types of nueromodulators noradrenaline/dopamine/serotonin
two types of summation of excitation temporal/spacial
axon at rest not receiving sufficient inputs to alter electrical properties/inside negative with respect to outside
axon potential initiation when enough inputs converge at about the same time, an axon potential is generated and propagated down to the terminal
excitatory connection activity in A leads to activity in B
elicited inhibition activity in A leads to activity in B. A also activates I, which inhibits B. Gates or regulates
elicited excitation activity in A leads to activity in B, which further excites B. Excitation of B by A is amplified by E
glutamate receptor vs. GABA receptor glutamate on dendritic spine/GABA on dendrite itself (near to cell body)
Created by: olgakaczma
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