Pyschopathology✅ Flashcards

(99 cards)

1
Q

What are the 4 types of abnormality

A

Statistical
Deviation from social norms
Deviation from ideal mental health
Failure to function adequately

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2
Q

Statistical definition

A

Curve of normal distribution
Any individual who is +- 2 standard deviations from the norm is considered abnormal

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3
Q

Strengths of statistical definition

A

Quantitative data- objective and reliable

Highlights abnormality- practical as it’s used as evidence to request funding or help

Value free judgement

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4
Q

Weaknesses of statistical definition

A

Limited- statistically frequent behaviours are still considered abnormal eg depression in uk

Abnormal behaviour is not rare

Abnormal behaviour isn’t always negative eg high IQ

cultural factors aren’t studied

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5
Q

Deviation from social Norms

A

If someone behaves in a way that does not conform to our social norms we may feel anxious or threatened

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6
Q

Strengths of deviation from social norms

A

Definition matches what is seen as abnormal in everyday life

Good real life application

Considers situational norms

Helps people

Includes the issue of desirable behaviour eg IQ

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7
Q

Weaknesses of deviation from mental health

A

Abuse of a persons rights based on what society sees as normal- may be eccentric or individualistic

Subjective

Norms change over time

Cultural differences

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8
Q

Compare the statistical definition to the deviation from social norms definition

A

Deviation from social norms defines abnormality based on behaviours that violate societal expectations eg eating with your hands
While, statistical infrequency defines it as behaviours that are rare or uncommon in a population eg high IQ
Both definitions are lacking the view cultural differences

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9
Q

Deviation from ideal mental health

A

Deviating from a an ideal positive mental health

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10
Q

What is jahodas concept of ideal mental health with the 6 characteristics

A

Positive attitude towards oneself

Self actualisation- experiencing personal growth

Autonomy- being independent and able to make personal decisions

Releasing stress- appropriate coping strategies

Accurate perception of reality

Environmental mastery- competent in all aspects of life, flexibility to adapt

Fewer characteristics you meet, the more abnormal you are

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11
Q

Strengths of deviation from ideal mental health

A

Positivity- emphasises positive characteristics

Targets specific areas of dysfunction- helpful for professionals

Holistic- looks at a person as a whole rather than focussing on individual areas

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12
Q

Weaknesses of deviation from ideal mental health

A

Criteria is over demanding- rare for someone to meet all

Non desirability of autonomy- collectivist cultures

Subjective criteria- relies on self report, may not be reliable from an ill person

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13
Q

Failure to function adequately

A

Abnormal when their behaviour suggests they can’t cope with everyday life

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14
Q

What are the 7 features Rosenhan and seligman think there is to personal dysfunction

A

Personal distress

Maladaptive behaviour- stopping people from reaching goals

Unpredictability

Irrationality

Observer discomfort

Violation of moral standards

Unconventiality

More you meet, more abnormal you are considered

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15
Q

Strengths of failure to function adequately

A

Global assessment- professionals can assess the severity and decide who needs help

Enables individuals to assess their own level

Recognises personal experience of patient- allows mental disorders to be veiwed from their perspective

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16
Q

Weaknesses of failure to function adequately

A

Abnormality is not always accompanied by dysfunction eg psychopaths- Dr Shipman

Altho global assessment it still relies on professionals to judge wether someone is distressed

Cultural differences

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17
Q

Behavioural, emotional and cognitive characteristics of phobias

A

B- panic, avoidance, endurance of phobic stimulus

E- fear, anxiety

C- selective attention towards phobic stimulus, irrational beliefs

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18
Q

How does a phobia become by classical conditioning

A

Associate something we initially do not fear (NS) with something that already creates a fear response (UCS and UCR) to create a phobia (CS and CR)

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19
Q

How is a phobia maintained by operant conditioning

A

Takes place when behaviour is reinforced or punished

Reinforcement increases frequency of behaviour

When we avoid a phobic stimulus we successfully escape the fear and anxiety that is rewarding and reinforces avoidance behaviour

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20
Q

Strengths of the two process model to developing and maintaining phobia (cc and oc)

A

Supporting evidence

Good explanatory power

The treatments based on behaviourist principles work

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21
Q

Weaknesses of the two process model to developing and maintaining phobia (cc and oc)

A

Not everyone who has suffered a traumatic response aquired a phobia

Incomplete- what about biological explanations?

Ignores cognitive factors

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22
Q

2 ways to treat a phobia

A

Systematic desensitisation
Flooding

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23
Q

What is the belief behind Systematic desensitisation- Wolpe

A

Counter conditioning- if a fear can be conditioned, it can be unconditioned- replace with a harmless response

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24
Q

4 steps of systematic desensitisation

A

1- build a hierarchy of the anxiety arousing stimuli, with a degree of fear experienced from 1-100

2- train the client deep relaxation techniques eg deep breathing

3 client woks through hierarchy while using relaxation techniques (deep breathing) and doenst move on to next level until relaxed

4- client confronts real fear

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25
Strengths of systematic desensitisation
Relatively quick treatment and may require less effort from patient that CBT May be only possible therapy for people with certain conditions eg learning conditions Effective- gilroy et al
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How does Gilroy et al support systematic desensitisation
42 patients with fear of spiders 3 months and 33 months later the systematic desensitisation groups were less fearful than the control group Long term effectiveness
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Weaknesses of systematic desensitisation
Treat the symptoms not the cause - symptom substitution Need a vivid imagination Less effective in treating complex phobias as they can’t be explained
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Flooding
Inescapable exposure to feared stimuli until fear disappears Fear response can not be sustained and will eventually fall as the body can’t retain such a high level of anxiety New association will be formed Feared object= relaxed
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Strengths of flooding
Research evidence- ougrin- highly effective Very quick Cost effective
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How does Ougrin show flooding his effective
Compared other approaches
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Weaknesses of flooding
Treats the symptoms not the cause- symptom substitution Highly stressful and traumatic Doesn’t work for all phobias eg agarophobia Not suitable for certain medical conditions
32
How is depression and phobias measured
DSM 5
33
Behavioural, emotional and cognitive factors of depression
B- changes to usual activity levels, sleep and eating patterns, aggression E- lowered mood, anger and decline in self esteem C- poor concentration, bias towards only seeing negative aspects
34
What is becks cognitive theory of depression
People become depressed as they see the world through negative schemas Negative schemas develop through childhood and adolescence Arise due to unreal demands being placed on the child, as well as extensive criticism Schemas will progress through to adulthood and one will veiw life in negative way
35
What is the cycle in becks theory known as the negative triad
Negative views about oneself Negative views about future Negative views about the world
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strengths of becks cognitive theory of depression
good practical evaluation- led to development of CBT Cognitive models of depression are based on scientific principles of objective testing, which allow for updating/refining the model, resulting in greater understanding. It acknowledges other aspects of a person in onset, e.g. genes & childhood experiences. research evidence- Weissman and Beck, Grazioli and Terry
37
how do weissman and beck support becks cognitive theory of depression
they created the Dysfunctional Attitude Scale (DAS) to assess dysfunctional attitudes characteristic of depressive thinking, and in turn, measure the level of activation and access to negative cognitive structures.
38
how does grazioli and terry's research support becks cognitive theory of depression
found that pregnant women who showed vulnerability for depression were more likely to suffer post-natal depression than those without this means that the cognitive approach could be used to identify vulnerability in people and trigger interventions to delay or prevent the progress of depression
39
limitations of becks cognitive theory of depression
does not explain all aspects of depression- bipolar, or the deep anger and extreme emotion felt by some. Or, cotard syndrome – (rare) depressed person has the delusion they are a zombie not all depressed people have a distorted view of their own abilities
40
what model does ellis cognitive theory of depression use
the ABC model
41
what is the ABC model
irrational beliefs make us over react to events and get depressed
42
what does the A stand for in the ABC model
activating event
43
activating event role in the ABC model
situations in which irrational thoughts are triggered by external events e.g. you text your friend, but they dont text back
44
what does the B stand for in the ABC model
beliefs- musterbation, I-CANT-STAND-IT-ITIS, utopianism
45
MUSTERBATION within the beliefs sector of the ABC model
type of irrational thinking that involves rigid and unrealistic expectations for oneself or others.
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I-CANT-STAND-IT-ITIS within the beliefs sector of the ABC model
irrational belief that things are unbearable or that one cant handle a situation, leading to negative emotions and maladaptive behaviour.
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UTOPIANISM within the beliefs sector of the ABC model
irrational belief that life is always supposed to be fair
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what does the c stand for in the ABC model
consequence
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what does consequence mean in the ABC model
emotional response to the belief irrational belief= unhealthy emotional outcome eg delete the friends number
50
strengths of ellis' ABC model
good practical application- the therapy seems to work in many cases eg Lipsky et al shows patients being treated by challenging negative beliefs saw reduction in symptoms Cognitive models of depression are based on scientific principles of objective testing, which allow for updating/refining the model, resulting in greater understanding. It acknowledges other aspects of a person in onset, e.g. genes & childhood experiences.
51
weaknesses of ellis' ABC model
Doesn’t explain all aspects of depression: the manic aspect of bipolar, or the deep anger and extreme emotion felt by some. Cotard syndrome – (rare) depressed person has the delusion they are a zombie Doesn’t account for all types of depression. So only a partial explanation. Doesn’t explain the origin of the irrational thoughts and most research is correlational.
52
what is CBT
most commonly a psychological treatment for depression, as well as other mental illnesses treats mental illnesses on both behavioural and cognitive aspects therapist aims to make client aware of the relationship between though, emotions and actions helps people change the way they think and what they do
53
becks cognitive therapy
1. The therapist and client agree on the nature of problems and goals of therapy 2. negative thoughts are then challenged by therapist 3. The reality of negative beliefs are tested via homework ('patient as scientist) [once a week or 2, 30-60 mins, 5-20 sessions]
54
how does REBT expand ellis' ABC model
D- dispute (challenge the thoughts) E- effect (new beliefs replace the irrational ones)
55
what does ellis argue is the main cause of all emotional distress and behaviour disorders How does REBT argue against this
irrational thoughts Rebt- based on the premise that whenever we become upset, it is not the events taking place in our lives that upset us; it is the beliefs that we hold that cause us to become depressed, anxious, enraged, etc.
56
what does ellis believe that irrational thoughts do How does REBT argue against this
make impossible demands on the individual, leading to anxiety, failure and psychological difficulty make impossible demands on the individual, leading to anxiety, failure and psychological difficulty
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what does REBT (ellis) stand for
rational emotive behaviour therapy
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strengths of cognitive behavioural therapy
evidence that it is effective- David et al- 170 patients, 14 weeks had better outcomes than those treated by drug therapy, REBT has better long term effects few side effects effective from stopping mild depression becoming severe very effective when combines with drug therapy
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weaknesses of cognitive behavioral therapy
ethical issues- therapist may have too much power, patient becomes dependent not suitable for patients who struggle with talking about feelings not effective for severe depression some patients want to explore past not the present and future Over emphasis on cognition may mean other important factors are missed, e.g. living in poverty or issues at work.
60
what is OCD
an anxiety disorder characterized by persistent, intrusive thoughts (obsessions) and repetitive behaviors (compulsions)
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what is a compulsion
behaviour
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what is an obsession
a cognition
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what does the DSM describe the main symptoms of OCD as
recurrent obsessions and compulsions Recognition by the individual that the obsessions and compulsions are excessive and/or unreasonable. The person is distressed or impaired, and daily life is disrupted by the obsessions and compulsions.
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behavioral characteristics of OCD
compulsions to repeat behaviors usually to reduce anxiety
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emotional characteristics of OCD
anxiety often accompanied by guilt and depression
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cognitive characteristics of OCD
recurrent obsessive thoughts, accompanied by rituals to cope with obsession
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signs and symptoms of an OCD sufferer (behavioural)
Behavioural: how a person acts (behaves) which typically leads to the carrying out of repetitive actions to reduce anxiety. This often leads to avoidance of situations that trigger anxiety.
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signs and symptoms of an OCD sufferer (emotional)
Emotional: how a person feels when experiencing the anxiety which accompanies the obsessions/compulsions. OCD may feel depressed and/or other negative emotions
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signs and symptoms of an OCD sufferer (cognitive)
Cognitive: how a person thinks and OCD sufferers are usually plagued with obsessive thoughts. They also tend to develop cognitive strategies.
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genetic explanations for OCD Lewis
OCD patients- 37% had parents with ocd, 21% had siblings with ocd, suggests genetic vulnerability
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genetic explanations for OCD Grootheest, Cath, Beekman & Boomsma
Meta-analysis of 70 years worth of twin studies into OCD Total of 10,034 twin pairs from 28 twin studies Conclusions: twin studies indicate a genetic component to the transmission of OCD & heritability of OCD appears greater in children than among adults.
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candidate genes
genes that create a vulnerability for something eg- 5HT1-D beta implicated in efficiency of transport of serotonin across synapses
73
what is a polygenic gene
many genes are involved Taylor- analysed findings of previous studies and found up to 230 genes are involved in OCD
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COMT gene within OCD
COMT regulates production of dopamine. One particular form of the COMT gene is found to be more common in OCD patients than people without the disorder.
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SERT genes within OCD
SERT affects the transport of serotonin, causing lower levels of serotonin. These lower levels are implicated in OCD. Ozaki et al., (2003) found a mutation in this gene in two unrelated families where six of the seven family members had OCD.
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strengths of genetic explanation for OCD
good supporting evidence- Taylor, Lewis, Nestadt et al
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how does Nestadt et al support the genetic explanation for OCD
68% of identical twins shared OCD as opposed to 31% of non-identical twins. This suggests a genetic influence on OCD.
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weaknesses of the genetic explanation of OCD
issues with twin studies- flawed evidence eg small sample size, mare share more environmental influences so hard to isolate genetic effects, may develop similar traits too many candidate genes- finding definite cause is unlikely environmental risk factors ignored- cromer et al- OCD more common in people with trauma- environment is more influential than genetics concordance rates not 100% for MZ twins
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neural explanations for OCD
abnormal functioning of neurotransmitters and brain structures
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how does serotonin affect OCD
abnormal transmission of mood relevant info
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how do decision making systems affect ocd
lateral frontal lobes impaired, responsible for logical thinking and making decisions
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what levels of dopamine are you to have if you have ocd
high people repeat behaviours that lead to dopamine release
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what levels of serotonin are you to have if you have ocd
low
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what does szechtman et al say about dopamine and OCD
Animal study found that when given high doses of dopamine enhancing drugs, stereotyped movements resembling the compulsive behaviours found in OCD patients was observed.
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what does piggott et al say about serotonin and OCD
Antidepressant drugs that work by increasing the amount of serotonin activity have been shown to reduce symptoms of OCD.
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how can processing unpleasant emotions explain OCD
parahippocampal gyrus may be impaired
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Several areas in the ? Are thought to be abnormal in those with OCD
Frontal lobes
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What do PET scans show within OCD sufferers
High levels of activity in orbital frontal cortex This area is associated with higher level thought processes as well as conversion of sensory information into thoughts
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What does the orbital frontal lobe do
Initiate activity upon receiving impulses to act eg wash dirty hands Once activity is done the impulse to perform activity ceases and therefore behaviour ceases
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Why do the high levels of activity in the orbital frontal cortex cause OCD
They may have trouble switching off or ignoring impulses so they turn into obsessions resulting in compulsive behaviour
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Breakdowns in the ? have been linked to some forms of OCD
Immune system Eg contracting lymes disease or the flu Can attack healthy brain tissue- inflammation in basal ganglia- crucial for motor control, executive functions and emotions
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Strengths of the neural explanation for OCD
Research evidence- Hu, Fallon and Neilds Drugs that increase serotonin seem to work for some patients, suggesting low levels are the issue
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How does Hu’s research support neural explanations for OCD
Compared serotonin levels in 169 OCD sufferers and 253 non sufferers, finding serotonin to be lower in those with OCD
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How does fallon and neilds research support neural explanations for OCD
Reported 40% of people contacting lymes disease incur neural damage resulting in psychiatric conditions
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Weaknesses of the neural explanation for OCD
Not all OCD sufferers respond to serotonin increasing drugs Neural differences between sufferers and non sufferers may not relate to ocd The serotonin link could be co morbidity with depression
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dopamine
key neurotransmitter in brain, which effects motivation and drive
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billett et al on twin studies and OCD
meta analysis of 14 twin studies monozygotic twins are 2x more likely to develop OCD than dizygotic twins
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how do SSRIs reduce symptoms of OCD
increasing the levels of serotonin in the brain, a neurotransmitter that plays a role in mood, emotion, and sleep. By increasing serotonin levels, SSRIs can help to reduce anxiety and other symptoms associated with OCD.
99
how does the caudate nucleus explain the cause of OCD
excessive activity in caudate nucleus Responsible for planning the execution of movement, but also in learning, memory, reward, motivation, emotion, and romantic interaction. The orbital frontal cortex generates worry signals, which are typically suppressed by the caudate nucleus, but in OCD, this suppression is impaired, leading to excessive worry and anxiety.