unit 2 part 2 Flashcards
(38 cards)
what is long term potentiation? LTP
strengthening of a synaptic connection that happens when the synapse of one neuron repeatedly fires and excited another neuron.
-learning and memory
where does long term potentiaon occur?
hippocampus
what is the amygdala?
involved in episodic memory, primary processor of emotional reactions.
What is the cerebellum?
Involved in implicit memories
What is the basal ganglia?
Memory retrieval and procedural memory
-creating and maintaining habits
Who is Hermann ebbinghaus?
First to conduct experimental studies on memories using himself as a subject
What is the trace decay theory?
Over time our memories biologically degenerate
What is amnesia?
When a person experience full or partial loss of memory
What is retrograde amnesia?
Cannot remember things that happened before the event that caused their amnesia
What is anterograde amnesia?
Person is unable to create new memories after an amnesia-inducing event
What is the serial position effect?
When we try to retrieve a long list of words and usually recall the last and first words best, forgetting the words in the middle
What is the primary effect?
Better recall of first items from greater rehearsal
What is the recency effect?
Better recall of the last items, still in working memory
What is retrieval failure?
Failure to recall a memory due to missing stimuli or cues that were present at the time the memory was encoded
What is the tip of tongue state?
When a memory is available but not quite retrievable
What is encoding failure?
When a memory was never formed in the first place
-we cannot lean or recall what we do not perceive and attend to
What is the interface theory?
Some memories interfere with the retrieval of other memories, forgetting in long term
What is proactive (previous) interference?
Older memories interfere with the retrieval of newer memories
What is retroactive (recent) interference?
New memories interfere with the retrieval of older memories
What is flashbulb memory?
Vivid and detailed memories that people create during times of personal tragedy, accident or emotionally significant world events.
What is memory reconstruction?
approach to understanding memory as a cognitive process and the errors that occur within it
-construct memory as we recall them, making up as we withdraw
what are pseudo-memories?
false memories that we believe to be true
what is elizabeth loftus?
extensive reseach on memory reconstruction and false memories and how memory is changeable, it is not always accurate.
What is the misiniformation effect?
exposed to misleading info we tend to misremeber