LTM and brain structures Flashcards

(40 cards)

1
Q

two types of long term memory

A

implicit and explicit

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2
Q

explicit memories

A

a type of long term memory that can conciously/ volunatrily retrieved and brought into concious awareness, they can be declared or stated to someone else

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3
Q

explicit memory aka

A

declarative memory

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4
Q

types of explicit memory

A

semantic memory and episodic memory

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5
Q

semantic memory

A

consists if general knowledge or facts, they are declaritive in that they can be verbally explained to others

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6
Q

episodic memory

A

consists of personal experiences or events, memories are unique to each individual and their own personal experiences

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7
Q

how are explicit memories recalled holistically

A

remeber many different aspects of the situation such as the day, time, place and other people that were there

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8
Q

examples of semantic memory

A

there are seven continents, dogs bark, 3x3=9

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9
Q

examples of episodic memories

A

getting your drivers licence, what you ate for dinner last night

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10
Q

implicit memory

A

type of long term memory that is unconciously/involuntarily retrieved, the memory is how to do something and is retrieved without concious effort

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11
Q

two types of implicit memories

A

procedural memory and classically conditioned memory

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12
Q

procedural memory

A

involves knowing how to carry out tasks that are facilitated by motor skills

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13
Q

classically conditioned memory

A

involves an involuntary response, such as fear, to a stimulus which has repeadtly been associated with an emotionally-arousing stimulus. this response is usually emotionally charged involving strong feelings, or an involuntary habit

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14
Q

examples of classically conditioned memory

A

biting nails in a nerve racking situation (involuntary habit)

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15
Q

examples of procedural memories

A

how to tie your showlaces, kick a ball

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16
Q

what is the relationship between brain structures and memory

A

memory is not a single process that occurs in one region of the brain, it requires the interaction between various brain structures

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17
Q

what are the brain stuctures involved in long term memory

A

hippocampus, amygdala, basal ganglia, neocortex and the cerebellum

18
Q

location of the hippocampus

A

located in the temporal lobe, with one in each hemisphere deep within the brain

19
Q

hippocampus role in LTM

A

formation, consolidation and encoding or explicit (semantic and episodic) memories

20
Q

what causes damage to the hippocampus unintentionally

A

stress, anxiety, depression, PTSD, brain trauma, disease (e.g alzeimers or herpes virus) can shrink it

21
Q

why is the amygdala untentionally damaged or removed

A

as treatment for epilepdy

22
Q

what is the affect of damage to the hippocampus

A

individuals will experience difficulty forming new long term explicit memories

23
Q

location of amygdala

A

small ball located just above/on the end of the hippocampus in the temporal lobe

24
Q

role of the amygdala

A

described as the fear centre, responsible for encoding and strengthening the emotional components of classically conditioned and explicit memories, contributes to these memories being encoded in greater detail

25
structure/location of neocortex
consists of six layers and is part of the cerebral cortex, it covers most of the brains surface and consists of 4 lobes, with memories being stored in particular locations depedning of the type of memory and where it was processed, frontal and temporal lobes are the ones mainly involved in the storage of explicit memories
26
role of the neocortex in LTM
once episodic and semantic (explicit) memories are converted into a useable form by the hippocampus, the neocortex stores these memories
27
what is the effect of LTM being stored in various locations within the neocortex
neural connections are able to be formed between different memories, these links attach measning to mnemories and enhance understanding of how concepts/memories interrelate
28
what is the interaction between the amygdala and hippocampus
the amygdala signals to the hippocampus to strengthen the encoding of explicit memories that have implicit emotional components
29
basal ganglia location
middle of the brain, connection with cerebellum
30
basal ganglia function/role
encoding and storing procedural memories and classically conditioned memories that are associated with unconcious habits, behaviours or procedures
31
cerebellum location
base of the brain
32
cerebellum function/role
encodes and stores implicit procedural memories, storage of these due to the cerbellum being involved in the processes of motor control, coordination and balance
33
semantic memory is encoded by
amygdala (emotional components) and hippocampus
34
episodic memory is encoded by
amygdala (emotional components) and hippocampus
35
classically conditioned memory is encoded by
amygdala (emotional components) and the hippocampus
36
procedural memories are encoded by
cerebellum and basal ganglia
37
semantic memory is stored by the
neocortex
38
episodic memory is stored by the
neocortex
39
classically conditioned memory is stored by the
basal ganglia
40
procedural memories are stored by the
cerebellum