Final exam Flashcards

1
Q

What is ASD?

A

A developmental disorder characterised by behavioural inflexibility and poor social communication

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2
Q

What are the social communication deficits for ASD outlined by the DSM-V

A
  1. deficits in social emotional reciprocity
  2. deficits in non-verbal
    communication
  3. Deficits in maintaining relationships
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3
Q

What are the behavioural deficits for ASD outlined in the DMS-V?

A
  1. Abnormally restricted interests
  2. inflexible routines
  3. motor mannerisms
  4. preoccupation with parts of objects
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4
Q

How many deficits need to be present to diagnose autism?

A

All 3 social comm impairments and atleast 2 behaviour impairments

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5
Q

What are the cognitive models for describing ASD?

A

Theory of mind

Joint attention

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6
Q

What is theory of mind?

A

The ability to infer mental states that differ from ones own

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7
Q

What is joint attention?

A

The ability to direct your attention to another person’s object of attention

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8
Q

How do we test for theory of mind?

A

False contents tasks

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9
Q

What causes theory of mind deficits?

A

Deficits in executive functions which help overcome the salience of reality

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10
Q

Where in the brain can we find deficits in executive function?

A

Right inferior frontal gyrus

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11
Q

What are disorders of the self?

A

Disorders where there is a disruption in either our sense of angency or body autonomy

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12
Q

What do we mean by agency?

A

That our intentions map onto the causal nature of the world

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13
Q

What do we mean by body autonomy?

A

That we are in control of our own body and that body exists in space

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14
Q

Agency can be disrupted in states of:

A

Flow
Ritual
Hypnosis

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15
Q

Anarchic Hand syndrome

A

Agency disorder - hand having a mind of its own

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16
Q

What causes AHS?

A

damage to supplementary motor area

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17
Q

Delusions of control

A

Agency disorder - actions/thoughts caused by external entity

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18
Q

Other examples of agency disorders

A

OCD
Depression
Addiction

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19
Q

Comparator model of agency?

A

Does sensory info match the predicted sensory info? If not, delusion may arise

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20
Q

Apparent mental causation

A

Do events match thoughts?

Are our thoughts prior, exclusive and consistent?

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21
Q

Causes of body autonomy disorders

A

Stroke
amputation
developmental changes (anorexia)

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22
Q

How can we study body autonomy

A

By disrupting it w/ illusions i.e. rubber hand illusion

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23
Q

Examples of body autonomy disorders

A

Phantom limbs
Anorexia
Somaptoparaphrenia

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24
Q

Case studies of disorders of the self

A

Rubber hand illusion

25
What are delusions?
A false belief that is resistant to evidence
26
Mirrored self misidetification
The person you see in the mirror is not you but someone who looks like you
27
Capgras delusion
Someone close to you has been replaced by an imposter
28
Fregoli delusion
Belief that you are dead
29
Somatoparaphrenia
A part of your body belongs to someone else
30
Alien control delusion
Other people make you move parts of your body
31
What do all 6 delusions have in common?
monothematic have insight encapsulated (may not act on their belief) Not rare
32
Model for delusions
Two factor theory
33
Describe the two factor theory of delusions
evaluating: 1. what suggested the idea of the belief 2. what prevented the belief from being rejected.
34
What is neurologically common amongst delusions?
Damage to right hemisphere (right dorsolateral prefrontal cortex)
35
What is hypnosis?
being leant into suggestions
36
what are different types of hypnotic suggestions?
ideomotor - thoughts becoming actions Challenge- suggesting someone do the opposite of what they percieve Delucory - hallucinations Post-hypnotic amnesia
37
how many people are hypnotisable?
10-15%
38
Why use hypnosis?
It shares many features with delusions and allows us to test delusions in a safe manner
39
Examples of hypnosis as a study of delusions
Hypnosis to forget - functional amnesia Hypnosis to experience paralysis - Conversion paralysis Hypnosis and delusions
40
What is schizophrenia?
Schizophrenia encompasses a wide range of delusions/hallucinations
41
Types of delusions in schizophrenia
1. Persecutory 2. Of reference - difficulty properly ascribing meaning 3. Grandiose 4. Somatic 5. Loss of boundaries
42
Types of hallucinations in schizophrenia
1. Auditory 2. Visual 3. Verbal 4. Somatic
43
Symptoms of schizophrenia
1. Speech impairments 2. Disorganised behaviour 3. Negative symptoms (absence of normal qualia) 4. Drops in social functioning
44
How do we diagnose schizophrenia
At least 2 symptoms persisting for 6 months or more
45
How do we categorie symptoms of schizophrenia?
1. reality distortion 2. disorganisation 3. Negative symptoms
46
Why is ToM relevant to schizophrenia
because of the drop in normal social functioning Because of innapropriate social inferring.
47
What is synaesthesia?
An unusual mixing of the senses.
48
Grapheme colour synaesthesia
symbols elicit colour
49
Auditory-visual synaesthesia
every sound has a colour
50
touch colour synaesthesia
different touches have clours
51
time space synaesthesia
words/concepts exist in space
52
mirror touch synaesthesia
feel the touch of others
53
olfactory visual synaesthesia
can smell colours
54
What causes synaesthesia?
1. possible genetic predisposition 2. overactive linking of concepts to experiences 3. extra connection between brain areas
55
How do you measure synaesthesia?
1. Ask people 2. Look at the effecg it has on some tasks 3. Synaesthetic congruency task - to what degree is it voluntary? 4. Synaesthetic priming
56
2 key elements of hypnosis
1. As procedure (hypnotist) | 2. As product (subject)
57
Stages of Hypnosis
Introduction Induction Hypnotic suggestion Deinduction
58
Subjects of hypnosis may experience
1. Altered reality 2. hallucinations 3 age regression 4. amnesia 5. posthypnotic suggestion
59
What features do hypnosis and delusion share?
Believed with conviction resistant to counterargument resistant to counter-evidence