Shared Flashcard Set

Details

lectures 3&4
Psychology
26
Psychology
Undergraduate 2
09/23/2009

Additional Psychology Flashcards

 


 

Cards

Term
types of neurons
Definition
motor, sensory, interneurons
Term
cell body
Definition
dna, no role in the neural signaling, metabolism
Term
dendrites
Definition
receive the signals, if enough then the axon will fire
Term
growth?
Definition
neurons can't divide but dendrites can grow, new connections= more growth
Term
myelin sheath
Definition
insulator, faster signal, fatty acid
Term
resting potential
Definition
Charged elements in and outside of the neuron

Difference between neural charge outside and inside the neuron: -70mv.
Term
depolarization
Definition
A chemical reaction occurs in the neuron which opens the gate

Positive ions flow in to establish equilibrium

If the difference between in/out reaches
-50mv, the neuron fires
Term
action potential
Definition
process of electric travel,Ions which flow in at one place in the neuron change the charge at places down the axon, in turn opening their gates
Term
terminal button
Definition
where the nt's stay
Term
synapse
Definition
space between neurons
Term
dopamine
Definition
Involved in movement, learning, attention, emotion.
How you know Dopamine: Parkinson’s, Schizophrenia, Marijuana
Term
serotonin
Definition
Involved in mood, hunger sleep and arousal
How you know Serotonin: Depression and Ecstasy
Term
behavioral observation
Definition
oldest; study the effects of surgery or lesions
Term
EEG
Definition
records the electrical activity of the brain
Term
MRI
Definition
detects atomic movement
Term
PET scan
Definition
detects glucose consumption of active brain regions
Term
lower brain structures
Definition
thalamus-organizes and relays, reticular formation-alertness, medulla-breathing and heart rate
Term
seritonin
Definition
mood hunger sleep arousal owow
Term
cerebellum (bottom)
Definition
movement
Term
limbic system
Definition
hypothalamus (brain of the brain)-pleasure, hunger, thirst, sex
pituitary gland- controls other glands
amygdala-rageeee
hypocampus-consolidation of short term memories
Term
right hemisphere
Definition
nonverbal reasoning, creative thinking, imagination
Term
left hemisphere
Definition
language, math, logic, facial recognition
Term
parts of the brain
Definition
frontal-behavioral social, occipital- visual temporal- auditory, language (wernicke's area) parietal- non-verbal intelligence, visual processing, localizing objects in space
Term
cortex strips
Definition
motor in front, somatosensory in back
Term
broca's region
Definition
conversation, create words
Term
wernickes
Definition
auditory code
Supporting users have an ad free experience!