neuroscience biology and behavior

Question 1

perception

Answer 1

PNS -> sensory cortex -> hippocampus (mem) -> amygdala (emotion) -> basal ganglia (action)

Question 2

neurotransmitters

Answer 2

target for meds, too much/too little, inhibitory or excitatory

Question 3

serotonin

Answer 3

inhibitory
mood, emotion, sleep, pain, appetite, temp, cog function
dec: depressive and mood disorders
meds block reuptake in D

Question 4

dopamine

Answer 4

excitatory
pleasure, complex motor, hallucinations
dec: dep and addiction
inc: mania and positive s/s of schizophrenia

Question 5

norepi

Answer 5

mood, attention, arousal
stim sympathetic branch of ANS for fight or flight
dec: dep
inc: anx, mania, schizophrenia

Question 6

gaba

Answer 6

major inhibitory
reg norepi, adrenaline, dopamine, serotonin
reduces anx, aggression, stress
inc: anx, mania, schizophrenia

Question 7

glutamate

Answer 7

excitatory
too much = excitotox, overstim of brain, seizure, neurodegen in alzheimers
dec: psychosis, autism, OCD, dep, schizophrenia

Question 8

acetylcholine

Answer 8

cog function, sleep/wake cycle, mood
dec: alzheimers and sleep disorders
inc: dep

Question 9

neuroplasticity

Answer 9

lifelong reorganize paths based on new experiences
need persistent functional change in brain to learn or memorize

Question 10

synaptic pruning

Answer 10

remove unnecessary/damaged structures, improves networking capacity
prenatal, 2yr, pre teen, midlife, ongoing
overpruning in schizophrenia -> hallucination

Question 11

nc

Answer 11

social connections (community resources), new learning, diet (brain uses lot of E), sleep (BF to brain, exercise, crave carbs), exercise (phys health), healthy anx (coping strategies), meditation (frontal lobe), gratitude (3 things), ANT killing (automatic negative thoughts, question your thoughts)

Question 12

dec stress

Answer 12

dec cortisol to positively impact PNS
relaxation, meditation, deep breathing
dec BP, infection, weight gain, helps all other bodily S