nervous system
what is the largest part of the neuron
axon
T/F information can be sent down the axon in both directions
false- information goes from dendrites to cell body to axon to the terminal end and never the other direction Term for this??
T/F the cerebellum helps contributes to balance and large motor skills such as walking
false it contributes to balance and fine motor skills
the outer pinna, auditory canal, eardrum are the 3 components of what part of the ear
the outer ear
if you were asked to press a button every time you heard a specific noise and you missed the button for one of the cues that would be an example of what
a miss in signal detection theory
what type of neurons send information from the sense organs to the brain
sensory (afferent)
what is the primary excitatory neurotransmitter
glutamate; inhibitory??
what part of the brain allows for communication between hemispheres
corpus callosum
being sore is what type of pain
c fiber
what are the two autonomic systems and what do each of them control
sympathetic- fight or flight, away from baseline
parasympathetic- rest or digest, regulates body
what type of communication occurs within neurons
electrical transmission
which neurotransmitter is present when you are mentally energized
epinephrine, what about mental AND physical alertness?
T/F the thalamus is one of the subcortical structures found in the forebrain and information from all of the sense organs is received here
false- it is a subcortical structure in the forebrain but it does not receive info for which sense?
you hear a dog approaching you from behind and to the left which causes you to turn your head to the left, this is an example of what type of sound perception
localization- ear closer to the sound gets the sound earlier so you can figure out where the sound is coming from
what 2 purposes are imagine techniques used for
activity and structure
what type of neurons are most abundant in the body
interneurons
for anxiety you would need a [agonist/antagonist] for which neurotransmitter
GABA agonist
false- brocas aphasia people are aware their speech production is affected but wernickes aphasia people are not aware
what are the 5 flavors and foods associated with each
sweet- fruit, umami- high protein, bitter- vegetables, sour- citrus, salty- salty food
sclera
what is the blood brain barrier and what created it
the blood brain barrier protects the brain from poison and it is created by glial cells
T/F acetylcholine is the only neurotransmitter that connects motor neurons and involuntary muscles
false it connects motor neurons to voluntary muscles
alcohol affects which parts of the brain
hippocampus and the cerebellum
if you were making groups of students and you made groups based on who they were sitting next to that would be what depth cue
proximity
what type of hearing loss will hearing aids have no effect on
sensorineural