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HDFS 3050 Exam Questions and Answers Latest Update
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HDFS 3050 Exam Questions and Answers Latest Update
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HDFS 3050 Exam Questions andAnswers Latest Update
neuroanatomy - Answer-study of the basic structure of the brain
(the most basic structure of the brain are neurons)
-parts of the neuron
parts of the neuron - Answer--dendrites, axons, cell body, terminal buttons
dendrites - Answer--receive signals from nearby neurons
axon - Answer--contain neurofibers that carry information inside from the dendrites to
the terminal branches
terminal buttons - Answer--release neurotransmitters that convey information
-dopamine, serotonin, acetylcholine
myelin sheath - Answer-fatty white substance that surrounds the axon
cerebral cortex - Answer--left hemisphere
-language, logic, reasoning, likes facts
-right hemisphere:
-emotion, faces, spatial awareness, some say more creative side
-connected by corpus callosum
prefrontal cortex - Answer--involved in higher order executive functions
cerebellum - Answer-control equilibrium and fine motor movements
limbic system - Answer-associated with emotion, motivation, long-term memory
-amygdala and hippocampus
amygdala - Answer--ability to feel emotions
-recognize emotion in others
hippocampus - Answer-key structure for memory (especially long-term)
age-related changes in neurons - Answer-number of neurons decrease
-size and number of dendrites decrease
-decrease in neurofibers
-decline in synapses
age related changes in neurotransmitters - Answer-We have declines in:
-dopamine
, -associated with higher cognitive functions
-declines with aging
-related to declines in memory
-serotonin
-involved in memory, mood, sleep, appetite
-acetylcholine
-plays a role in arousal, sensory perception and attention
age related declines in brain structure - Answer--selective atrophy
-profound shrinkage
-prefrontal cortex, hippocampus, cerebellum
-little shrinkage:
-areas related to sensory functions
-thinning/shrinkage of white matter:
-decline in related to changes in blood vessels
-dysfunction of prefrontal cortex
-linked to cerebrovascular disease
memory - Answer-○ The ability to retain information and retrive it when needed
○ One of our most important cognitive abilities
○ Helps us to recognize other people
○ Helps us to negotiate all aspects of life
○ Most adults over 65 notice some decline
■ Anxiety
● They think they're headed to a future of Alzheimer's
○ Memory is not a single ability
○ Involves attedning to, encoding, storing and retrieving information
information processing - Answer-○ The mind is similar to a computer with input,
processing, and output
○ Explains how we attend, encode, store and retrieve information
sensory memory - Answer-■ Information perceived with the five senses
■ Acts as a filter by focusing on important information
■ Limited capacity
● Can only handle 3-7 bits of information for about 1-10 seconds
working memory - Answer-the part of short-term memory that is concerned with
immediate conscious perceptual and linguistic processing.
rehearsal - Answer-● Prcoess used to hold information in working memory and interact
with it so it is not forgetten
■ Maintence rehersal
■ Elabroative rehersal
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