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learning and memory
part 2 of midterm 3 stuff
39
Psychology
Undergraduate 4
11/14/2007

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Cards

Term
learning
Definition

 relatively permanent change in behavior that marks an increase in knowledge, skills, or understanding thanks to recorded memories.

Term
memory
Definition
fruit of this learning process, the concrete trace of it that is left in your neural networks.
Term
declarative
Definition
explicit memory - memory for facts or events, I remember
Term
non-declarative
Definition
implicit memory - memory of skills, habits, reflexes and emotion (I know)
Term
short term memory
Definition
memory that lasts for hours and days and fades in a week
Term
working memory
Definition
temporary form of information storage,limited in capacity and requires rehersal
Term
long term memory
Definition
can be recalled after days, months and years
Term
memory consolidation
Definition
process in which short term memories are made into long term memories
Term
retrograde amnesia
Definition
memory loss for events before the trauma. Usually not complete but for events weeks, months before the incident. Forgetting what you knew
Term
anterograde amnesia
Definition
inability to form new memories following brain trauma. Range from slower to learn to complete impossibility to learn new things
Term
transient global amnesia
Definition
lasting minutes to days : followed by a short retrograde amnesia. Usually leave a permanent memory gap.
Term
engram
Definition
Physical representation or location of a memory, also known as memory trace
Term
inferior temporal cortex
Definition
object recognition
Term
mediodorsal thalmus
Definition
Korsakoff's syndrome
Term
inferior temperal cortex
Definition
visual perception of objects – changes in activity seen with visual recall
Term
amygdala (what kind of learning and wht happen if lesion?)
Definition
emotional learning, lesion leads to a lack of learned fear
Term
Pre-Frontal Cortex
Definition
temporal order of events and working memory
Term
Basal Forebrain
Definition
Alzheimers Disease
Term
Cerebellum
Definition
stores memories of sensorimotor skills – conditioned eyeblink, for example
Term
striatum
Definition
habit formation – associations between stimuli and responses
Term
hippocampus
Definition

type of cortex that has 3 layers, functions to consolidate memories and and allows you to remeber new things, also involved in spatial memory

Term
what is somemthing that one with a bilatereral termporal lobe injury can still do?
Definition
a motor task such as the tower of hanoi
Term

Navigation

Definition
hippocampus stores memories of places that you have been, right hippo is more active than left during accurate navigation
Term

navigation in elders

Definition
trouble with age because of less amount of acetylcholine released to hippocampus
Term
place cells
Definition
pattern of neurons that fire when you are in a certain place
Term
hippo pathway to frontal cortex
Definition
hippo then to cortical association area, then parahippocampal cortex
Term
Korsakoff's Syndrome
Definition

when mammilary cells and thalmus degernertae

amensia like that of temporal lobes, begin to lose retrograde as well

seen mostly in alcoholics

Term
Alsheimer's disease
Definition

beings with slight loss and gos to dementia

major retro and antero in memory tasks

 

decreased acetylcholine, takes away abilit to pay attention and learn new things

Term
Acetylcholine (lives where and projects where)
Definition
lives in basal foreborrain and projects to hippocampus and cortex neurons
Term

scopolamine

Definition
impairs memmory by affecting acetylcholine
Term
physostigmine
Definition
enahnces memory through acetylcholine
Term
post-traumatic amnesia
Definition

concussion can caus eboth atero and retro

-comas severity related to duration

 

Term
how are memories stored?
Definition

lenaring creates changes in how we think act and feel

-does this by producing changes in teh nervous system in the ciruits responsible movement, control and connection between them

Term
synaptic plasticity
Definition
strtucutral and biochemical modification of the pre and post synaptic components
Term
LTP
Definition
lots of stimulation at a synapse changes how it functions, takes a long time to lose this
Term
LTP 3 part process
Definition

induction (learning) - brains great at this

maintencance (memory)

expresional (recall) bad at this

Term

nmda receptor

Definition
glutamate receptor involved in neuroplasticity
Term
what happens when mammilary bodies and thalamus are not connected?
Definition
anteriograde amnesia
Term
what is the pathway for a memory
Definition
amgydala-->hippocampus-->fornix--->hypothalmus and mammilary bodies-->thalmus-->cingulate gyrus-->hippocampus
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