Psychopathology Flashcards
(43 cards)
Definitions of abnormality - deviation from social norms
- behaviour diff from accepted standards in community
- norms diff for diff country’s, e.g. tip in US not UK
- SCHEFF = residual rules - written rules of social groups
Definitions of abnormality - deviation from social norms - AO3 - weakness - lead to human right abuses
- too much reliance on deviation from social norms to understand abnormality can lead to abuse of human rights.
- historical examples of deviation from SN - nymphomania was a diagnosis for women attracted to WC men, clear that diagnosis’swere there to maintain control over minority ethnic groups of class groups + women.
- this classification seems mental but our social norms changed.
- some psychs argue that some of our modern categories of mental disorder are really abuses of peoples right to be different.
- E.G. trans women not allowed in girls toilet
Definitions of abnormality - deviation from social norms - AO3 - weakness - cultural relativism
- problem when using it to define abnormal behaviour is that social norms vary from gen to gen + community to another.
-E.G one person in one cultural group label another culture as behaving abjnormaly according to their social norms and standards. - E.G. hearing voices is socially acceptable in some cultures but seen as sign of mental abnormality in UK.
- create problem for people from one culture living i another one.
Definitions of abnormality - statistical infrequency
- usual behaviour is ‘normal’ = frequent is common
- unusual behaviour is ‘abnormal’ = abnormal is rare
- define ‘normal’ and ‘abnormal’ by how many stats have observed it
- E.G. Avergae IQ is 100, most 85 - 115.
- only 2% have below 70, seen as abnormal and diagnosed with INTELLECTUAL DISABILITY DISORDER
Definitions of abnormality - statistical infrequency - AO3 - strength - real life app
- examples of diagnosed intellectual disability disorders, use stats of IQ to see which is abnormal.
- doctors assess if patients have disorder by comparing to norms of society.
Definitions of abnormality - statistical infrequency - AO3 - weakness - some abnormalities are desirable
- people w/ high IQ are desirable but abnormal + rare.
- definition would say people w/ depression aren’t abnormal as its common, could lead to stopping treatment.
Definitions of abnormality - failure to function adequately
- not able to cope w/ everyday life, no function in work/relationships.
- affect individuals, e.g. exam Monday, but drink Sunday anyway.
- affect other, e.g. relationships/friendships.
Definitions of abnormality - failure to function adequately - AO3 - weakness - subjective judgements
- someone has to judge whether patient is distressed or distressing.
- some ppts say they are distressed but judged as not suffering.
- methods to make judgments objective - checklist GLOBAL ASSESSMENT OF FUNCTIONING SCALE.
- principle remains that someone has to make judgement.
- could lead to not diagnosing disorder.
- eg dirty bedroom fine for some and not others
- makes clinicians inconsistent in judgement
Definitions of abnormality - failure to function adequately - AO3 - weakness - lack temporal
- in DSM-4 it states dressing in drag is a disorder, and fails to function adequately + aren’t successful.
- but drag queens are now vey successful, RUPAUL.
Definitions of abnormality - deviation from ideal mental health
- JAHODA = defined physical illness by looking at absence of physical health.
- had 6 characteristics of ideal mental health:
- POSITIVE SELF ESTEEM, PERSONAL GROWTH, COPE W/ STREE, INDEPENDENCE, PERCEPTION OF REAITY, GOOD RELATIONSHIPS.
Definitions of abnormality - deviation from ideal mental health - AO3 - weakness - according to this, most pop are abnormal
- no one is perfect, this criteria expects perfection.
- not everyone will have every single one at the same time, almost impossible.
- personal growth is gradual.
Definitions of abnormality - deviation o from ideal mental health - AO3 - strength - comprehensive def
- covers broad image of mental health.
- covers reasons why people seek help.
OCD - disorders
- characterised by obsessions/compulsions.
- OBSESSION = persistent thought idea, impulse experienced repeatedly, feel intrusive + cause anxiety.
- COMPULSION = repetitive + rigid behaviour/mental act a person feel drive to perform, to prevent/reduce anxiety.
- DSM5 criteria = recurrent OBSESSION + COMPULSION. Recognition by individual that obsessions + compulsions are excessive. Person distressed and daily life disrupted.
- EMOTIONAL = depressed about OCD. Anxious.
- BEHAVIOURAL = avoid stimulus. Act on obsession.
- COGNITIVE = plagued w/ intrusive thoughts.
Explaining OCD - NEURO - serotonin
- SEROTONIN = neurotransmitter pass signal across synapse, help transmit chemical messages.
- LOW LEVELS IN OCD
- ORBITAL PREFRONTAL CORTEX (OFC) = participation in learning, prediction + decision-making for emotional behaviours.
- CAUDATE NUCLEUS = execution of movements + learning, memory, motivation, emotions BUT w/o S causes OCD.
- WORRY CIRCUIT = low serotonin. OFC sen worry signal to THALAMUS THROUGH CAUDATE. Thalamus send back filtered version of worry signal. CN can’t filter signal w/o S so thalamus send signal of increased worry to OFC. Compulsions to get rid of worry.
- PIGOTT = standard antidepressants, selective serotonin reuptake inhibitors reduce OCD.
- CORNER = OCD sufferers show heightened activity in OFC when presented obsessional stimulus.
Explaining OCD - NEURO - dopamine
- DOPAMINE = enhance neurotransmission in BASIL GANGLIA - activity associated w/ heightened sensitivity + movement.
- HIGH LEVELS DOPAMINE IN OCD.
- SZECHTMAN = high dose drugs enhancing D movements resembling compulsion behaviour in OCD patients. Given to rats, led to compulsions.
- SHAPIRO = high levels of co-morbidity w/ Tourette’s + OCD. Stops reuptake so more neurotransmitter get to one neurone.
- DIATHESIS STRESS MODEL = stressful event could trigger dormant gene.
Explaining OCD - GENETIC - COMT + SERT
- TAYLOR = meta-analysis identify 230 out of 25,000 candidates, genes linked to OCD:
- COMT = regulates D, decrease amount of COMT in OCD people, stop control of D.
- SERT = affect transport of S, create lower levels as SERT don’t transport S to right places.
- NESTADT = people w/ first degree relative w/ OCD 5x more likely to get OCD.
- BILLETT ET AL = meta-analysis of 14 twin studies. MZ 2x more likely to get OCD than DZ.
OCD - AO3 for explaining - strength - research support
- LEWIS examined OCD patients and found 37% had parent w/ disorder + 21% siblings w/ it.
- NESTADT supports this too, as 5x more likely to have if are first degree related.
OCD - AO3 for explaining - strength - evidence for genes
- BILLESTT ET AL did 14 twin study, MZ twin 2x likely to get it than DZ.
- HOWEVER, concordance isn’t 100% even though share 100% genes so environment has affect, diathesis stress model perhaps.
OCD - AO3 for explaining - weakness - misunderstood of brain areas
- this explanation makes it seem that only these areas are included in OCD, not true.
- BASIL GANGLIA + OFC don’t function FOR OCD, they have other functions too.
- other areas may also be apart of OCD.
OCD - AO3 for explaining - weakness - alternative exp
- two process model is better, explains that learn to play role of fearing a stimulus.
- coudl argue that OCD sufferers learn to fear/feel worry for stimuli. Learn through classical conditioning.
- ALBUCHER ET AL = behaviour treatment success for 60-90% of OCD sufferers.
Treating OCD - 1st - antidepressants - SSRIs
- PROZAC = increase level of S by blocking reuptake in pre-synaptic neurons.
- S left in synapse prolonging activity.
- 1st drug prescribed.
- prescribed w/ people w/ moderate - severe symptoms.
- long period of time prevent relapse.
- SIDE EFFECTS = headache, nausea + insomnia.
Treating OCD - 2nd - antidepressant - TRICYCLIC
- ANAFRANIL = block transporter mechanisms that reabsorbs S + noradrenaline.
- use when SSRIs don’t work.
- considered for co-morbid conditions like depression/chronic pain.
- SIDE EFFECTS = hallucinations + irregular heartbeat.
Treating OCD - 3rd - anti-anxiety - BZs
- VALIUM = reduce anxiety.
- slow down central nervous system by enhancing activity of NT GABA - neurotransmitter.
- GABA has quietening effect on neurons in brain.
- GABA locks onto receptors, channels are opened to increase flor of chlorine ions, into neurons.
- chlorine ions make harder for neurons to be stimulated by other neurotransmitters, slow down activity.
- used for short term.
- SIDE EFFECTS = increase aggression, memory impaired + addiction.
Treating OCD - AO3 - strength - effectiveness
- SUDMRO ET AL = review 17 studies of SSRIs.
- FOUND = more effective than placebo when reducing symptoms.
- HOWEVER, KORAN ET AL say research for effectiveness is short term, 3-4 months, no long term data.