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Brain And Behaviour > Recognition And Emotion > Flashcards

Recognition And Emotion Flashcards

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The Brain flashcards
1
Q

What are the two models of recognition

A

Single process- strength of trace determines whether it’s recollection or familiarity (strong is recollection)

Dual process- familiarity is a quantifiable memory singnal and recollection is a slow process that is qualitative e.g where the event took place

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2
Q

Which process of recognition uses the hippocampus

A

Recal/familiarity

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3
Q

What areas are responsible for NOR

A

Perirhinal cortex (not hippocampus or mPFC)

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4
Q

Does the PRH affect spatial memory

A

No

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5
Q

What is familiarity

A

Absence of novelty.

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6
Q

How does synaptic plasticity play a role in recognition

A

There is a reduction of activity in the PRH which is driven by LTD (low frequency stimulation of synaptic connection)

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7
Q

Is LTD important in memory

A

Yes, blocking ltd blocks recognition memory, and NOR.

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8
Q

Importance of LTP in memory

A

If synapses don’t undergo LTP then they will be silenced

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9
Q

What makes up the prefrontal cortex

A

Lateral pfc
Dorsolateral
Ventrolateral
Rostral
Medial pfc

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10
Q

Efferent connections of pfc

A

Basal ganglia
Cerebellum
Hypothalamus
Pyramidal systems

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11
Q

Affront connections of pfc

A

Amygdala to hippocampus
Thalamus to hypothalamus
Brain stem

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12
Q

Caudal area function

A

More active when environment In account

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13
Q

Function of rostral pfc

A

More active when new rules/conditions change (difficult tasks)

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14
Q

Posterior pfc function

A

Simple tasks

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15
Q

Executive function

A

Coordination of mental processes e.g decision making and actions in accordance with future goals and future plans

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16
Q

Functions of pfc

A

Higher cognitive processes
Suppress immediate automatic responses in favour of reasoned responses

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17
Q

Categorises of executive function

A

Decision making
Working memory
Cognitive flexibility
Response inhibition
Multitasking
Monitoring performance errors

18
Q

Two sections of decision making

A

Action-outcome - evaluation of expected outcomes

Stimulus response- habitual

19
Q

What is working memory

A

Holding and manipulating info that is not perceptually present. Updating plans based on environment and own performance

20
Q

How does pfc undergo goal directed behaviour

A

Inhibiting irrelevant info to promote task relevant information

21
Q

What is redirection of attention

A

Coordinate activity in other attention networks according to task demands

22
Q

What are response errors

A

Contains cortical and subcortical structures that are activated at rest and decrease level of activity when engaged in demanding task

23
Q

Mpfc and errors

A

Activity of mpfc decreases just before an error is made during tasks.

24
Q

What is response conflict

A

Active during stroop task where stimuli are incongruent or congruent max

25
Q

Characteristics of emotions

A

Hedonic- selectively liked or disliked

Transient- promotes survival, automatic

26
Q

What are 6 basic emotions

A

Sad
Happy
Disgust
Suprise
Anger
Fear

27
Q

James Lange theory

A

Conscious perception and behavioural response and cognition before emotional feeling

28
Q

Canon bard theory

A

Thalamus projects to cortex for emotional feeling simultaneously with hypothalamus (SNS) creating a behavioural response

29
Q

Ledoux theory

A

Stimulus causes slow (cognitive and emotion) and fast (automatic and behavioural response) at the same time

30
Q

What regulates autonomic NS

A

Hypothalamus

31
Q

What regulates arousal system

A

Brainstem

32
Q

What components make the papez circuit

A

Neocortex
Cingulate cortex
Anterior thalamic nuclei
Hypothalamus
Hippocampus (fornix)

33
Q

What makes up the limb if system

A

Papez as well as:
Basal ganglia
Orbitofrontal cortex
Amygdala
Cingulate gyrus

34
Q

Main nuclei of amygdala

A

Corticomedial
Basolateral
Central

35
Q

Subcortical Limbic system

A

Amygdala
Basal ganglia
Thalamus
Brainstem

36
Q

Corticolimbic system function and components

A

Emotion processing
Anterior consulate cortex
Dorsolateral pfc
Hippocampus
Amygdala

37
Q

Connections of central nucleus

A

To hypothalamus- autonomic response
To periaqueductal grey matter (in Brainstem)- behavioural reaction

38
Q

Connections of BLN

A

Cerebral cortex- emotional experience

39
Q

What are two pathways of sensory input to amygdala

A

Low road- direct from thalamus to amygdala

High road- indirect through cortex

40
Q

Function of insula

A

Interception
Disgust and love

Brain And Behaviour (4 decks)

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