QUESTIONS CORRECTLY ANSWERED.
alogia - CORRECT ANSWER poverty of thought/speech
avolition - CORRECT ANSWER low goal directed behavior
aphasia - CORRECT ANSWER language issue
apraxia - CORRECT ANSWER motor issue
agnosia - CORRECT ANSWER issue naming ppl/objects
dysarthia - CORRECT ANSWER articulation issue
anomia - CORRECT ANSWER word finding "naming" issue
ideomotor apraxia - CORRECT ANSWER issue putting idea into movement
paraparesis - CORRECT ANSWER lower limb weakness
paraplegia - CORRECT ANSWER lower body paralyzed
dementia pugilistica - CORRECT ANSWER boxing dementia progressive
anosognosia - CORRECT ANSWER poor insight
,transient tic - CORRECT ANSWER 1-12 months
tourettes - CORRECT ANSWER high dopamine. 1 verbal and several motor. haldol tx.
new neurons - CORRECT ANSWER aka neurogenesis; in hippocampus and caudate nucleus
neuron parts - CORRECT ANSWER dendrite
axon
cell body (soma)
all-or-none principle - CORRECT ANSWER stimulation in neuron exceeds threshold; the action potential
will be the same intensity
synaptic transmission - CORRECT ANSWER neurotransmitter released into synaptic cleft
Ach - CORRECT ANSWER alzeheimer's memory issues (drugs slow breakdown of Ach)
dopamine - CORRECT ANSWER personality, mood, memory, sleep.
dopamine hypothesis: too much in schizo
motor diseases: tourette's (too much), parkinsons (breakdown)
norepiniphrine - CORRECT ANSWER mood, attn, dreaming, learning, autonomic
catecholamine hypothesis: low in depression
serotonin (5HT) - CORRECT ANSWER inhibitory effect: mood, hunger, temp. sex, arousal, sleep,
aggression, migraine.
,high in schizo, autism, anorexia food restriction
low in bulimia, ptsd, ocd, depression, suicide, social phobia
GABA - CORRECT ANSWER eating, seizure, anxiety, huntingtons
low in anxiety
glutamate - CORRECT ANSWER learning, memory, LTP.
too much in excitotoxicity, alzeheimers, hungtingtons
endorphins - CORRECT ANSWER analgesis pain relief. prevent release of substance P.
"runner's high"
CNS - CORRECT ANSWER brain and spinal cord (connects to PNS)
PNS - CORRECT ANSWER somatic nervous
autonomic nervous (parasympathetic - decrease, and sympathetic-fight or flight)
relays info between cns and body organs
cervical damage - CORRECT ANSWER quadriplegia (arms and legs)
thoracic damage - CORRECT ANSWER paraplegia (legs)
, hydrocephalus - CORRECT ANSWER build up of fluid of ventricles in brain
brain development stages (5) - CORRECT ANSWER 1. proliferation
2. migration
3. differentiation
4. myelination
5. synaptogenesis
please make different motor signs
CT/xray - CORRECT ANSWER structure only
PET scan/fMRI - CORRECT ANSWER bloodflow and function
hindbrain - CORRECT ANSWER medulla (breathing, heart, bp,) pons (connects 2 halves of cerebellum,
integrates movements of both sides, relaxation) cerebellum (balance and posture)
cerebellum - CORRECT ANSWER damage produces aTAXia ; slurred speech, severe tremors, loss of
balance (like alcohol effects)
midbrain - CORRECT ANSWER superior and inferior colliculi
substantia nigra
reticular formation (RAS- consciousness, arousal and wakefullness)
forebrain : subcortical - CORRECT ANSWER thalamus
hypothalamus
basal ganglia
limbic system