M&A
M&A
M&A
Fichier Détails
Cartes-fiches | 79 |
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Langue | English |
Catégorie | Biologie |
Niveau | École primaire |
Crée / Actualisé | 16.02.2020 / 21.07.2020 |
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The cognitive model of Clark and Wells (1995)
People with SAD are invested in making a positive impression on others, but are insecure about ability to do so
They hold negative beliefs about themselves and their ability to perform in social situations
When in social situations people with SAD focus on themselves and see themselves as if they’re watching themselves on television
Focusing on themselves doesn’t allow people with SAD to fully participate in the social situation
People with SAD either avoid situations of use safety behaviors in feared situations
Safety behaviors and avoidance do not allow the person to learn that fears may not actually come true
Negative thinking about social situations occurs before, during and after
exposure to the situation
Main point of Cognitive models of SAD
hypothesize that SAD stems from a social tendency to interpret social situations as dangerous or threatening.
e.g. Beliefs: im stupid; Assumptions: if I make mistake everyone will laugh; Rule: My presentation should be perfect.
Picture Cog. Behav. Model SAD (Rapee & )
x
Selective mutism
Diagnostic criteria:
Consistent failure to speak in specific social situations in which there is an expectation for speaking (e.g. at school) despite speaking in other situations
The disturbance interferes with educational or occupational achievement or with social communication
Thedurationofthedisturbanceisatleast1month(notlimitedtothefirstmonth of school)
Thefailureistospeakisnotattributabletoalackofknowledgeoforcomfortwith, the spoken language required in the social situation.
The disturbance is not better explained by a communication disorder (e.g childhood-onset fluency disorder) and does not occur exclusively during the course of autism spectrum disorder, schizophrenia or another psychotic disorder.
'GAD Kriterien
x
GAD allgemein
People with GAD go through the day filled with exaggerated WORRY and TENSION
even though there is little or nothing to provoke it. Sometimes even just the thought of getting through the day produces anxiety.
People with GAD can’t seem to get rid of their concerns,
even though they usually realize that their anxiety is more intense than the situation warrants.
They anticipate disaster, and are overly concerned about health issues, money, family problems, or difficulties at school or work.
Lifetime prevalence ranging from 1.9-5.4% (Wittchen et al. 1994)
GAD develops gradually, and can begin at any point in the life cycle often lifelong history of anxiety often no clear age of oset (Barlow et al. 1986)
GAD affects 2x as many women as it does men (Wittchen et al. 1994)
There is some evidence that GAD may be one of the more common disorders in the elderly, 17% of elderly men and 21.5% of elderly women report severe anxiety symptoms (Himmelfarb and Murrell, 1994), however not clear if criteria for GAD are met
What causes GAD?
1. Biological factors:
Genetic predisposition:
- family and twin studies showed that genetic explain 30-40% of the variance of causative factors
Neurotransmitter systems:
- consistent Norepinephrine (= noradrenaline) overactivity in GAD alterations in GABA, serotonin system
Fear circuit
components of the fear circuit that may be of particular relevance to GAD include medial prefrontal cortex, amygdala, insular cortex
- irregularities in the functioning of the amygdala in GAD patients and its connection
to the prefrontal cortex (Etkin et al., 2009)
2. Psychological models to explain GAD
- Worry as cognitive avoidance model (Borovec)
Psych. Models of GAD
- Worry as cognitive avoidance (Borcovec et al. 1994, 2004)
- Positive beliefs about worry (Marker & Aylward)
- Intolerance of uncertainty and its role in worry (Dugas et al. 1998)
- Information-Processing Biases associated with GAD
- Metaworry (Wells & Matthews)
- comprehensive model of factors assosiated with GAD
CBT for GAD
During CBT therapists attempt to reduce low level of processing by having patients “worry out “ their negative emotions -> exposure therapy to help processing worry on a deeper level
Although GAD mostly characterized by cognitive avoidance, behavioral avoidance of situations (e.g. social situations) is seen in over half of the individuals
(Butler et al. 1987)CBT helps to reevaluate:
- the positive benefits of worrying
- interpretation biases of ambiguous stimuli - their intolerance of uncertainty
- metaworry
Psychological Treatment options for GAD
- Most frequently studied, evidence-based, psychological strategies for treating GAD include:
- Cognitive strategies (CBT)
- Exposure-based strategies
- Acceptance based strategies
- CBT has been shown to be very effective for the treatment of GAD, with long term effects
Clinical improvement in 38-63% of individuals who complete treatment (Waters & Craske, 2005)
-> this number not as high as CBT for other anxiety disorders
(80% clinical improvement in panic disorder, Campbell & Brown, 2002)Adding of mindfulness components leads to improvement of existing CBT treatments, clinical improvement in 78% of individuals (Roemer et al.2008)
Pharmacological treatment options for GAD
- studies with Benzos and Antideprs.
Compared to placebo, benzodiazepines provide effective and rapid symptomatic relief (Galenberg et al. 2000)
-> should not be used for more than 2-4 weeks
-> side effects: dependency, sedation and increased risks of neonatal and infant mortility when used while breastfeeding or late pregnancySSRI are the recommended treatment
-> pharmacological treatments reduce physical symptoms rather than worry
(Anderson & Palm, 2006)
-> works also for co-morbidities
-> long term efficacy of antidepressant with follow-up of years required
->efficacy over 6 months follow-up periods: greater remission rates than placebo at 6 months (69% vs. 42-46%)
! only very few studies compared effectiveness CBT with medication treatments for GAD
Panic disorder ≠ panic attack!
x
Panic disorder
- is a chronic illness
A. Initial unexpected panic attacks (können aus Ruhezustand oder Angstzustand auftreten) with min. 4 symptoms (siehe DSM-5)...
B. one of these two during one panic attack for 1 month or longer:
- The subsequent persistent concern for future attacks
- Avoidance of perceived environmental triggers of the panic attack
Treatment SPECIFIC PHOBIA
- EMDR
- HYPNOTHERAPY (reported through several studies; BUT group studies with no controllgroup and dropouts)
- Pharmakotherapy IS NO TREATMENT OF CHOICE FOR SPECIFIC PHOBIA. Studies with Benzodiazephines did not show evidence of long-term reduction in anxiety or avoidance
Blood-Injection-Injury phobia: treatment complicated by fainting applied tension-> tensing various muscle group during exposure
Comorbidity of SAD
Associated with increased risk for another anxiety or mood disorder
46% of people with SAD had another current psychological disorder and 72%
lifetime diagnosis (Brown et al. 2001)
Increased risk for panic disorder, specific phobias and depression, substance
abuse (Chartier et al. 2003)
Mood disorders Def.
Mood disorders
Pattern of illness due to an abnormal mood
Almost every patient with mood disorder experiences depression at some point
- Many mood disorders will be diagnosed on the basis of a mood episode
Mood Episodes Def.
- Period of time when a patient feels abnormal happy or sad
Building blocks for codable mood disorders
Most of the patients with mood disorders have one or more of these three episodes:
- Major depressive episode (for at least 2 weeks depressed, feeling guilt, eating or sleeping problems etc.)
- Manic episode (for at least 1 week patient feels elated, happy, hyperactive...Bad judgment leads to marked social or work impairment; often patients must be hospitalized.)
- Hypomanic episode (briefer and less severe as manic episode)
Depressive Disorders DSM V
Major depressive disorder
Persistent depressive disorder (dysthymia)
Disruptive mood dysregulation disorder (<18 years)
Premenstrual dysphoric disorder
Depressive disorder due to another medical condition
Substance/medication induced depressive disorder
Other specified, or unspecified, depressive disorder
Prevalence psychiatric disorders CH
.
Risk factors Depression
- Female sex (prevalenz in women 2 x higher then men; women different coping styles and rumination; hihger biological susceptibility; higner personal interdependence)
- Age (begin in adolescence, phases of transition)
- low socioeconomic status
- Marital status (separation)
- Family member with depression
- Somatic disease (chronic pain, thyroid disorders, cancer, cardiac diseases, AIDS..)
- Number of depressive episodes, degree of remission from first episode, age of beginning of first episode
- comorbidities
Depressioin Def. (DSM V)
Major depressive disorder is a common and serious medical illness
negatively affects feelings, thinking and behavior
causes feelings of sadness and/or a loss of interest in activities once enjoyed
can lead to a variety of emotional and physical problems
can decrease a person’s ability to function at work / home
Depression vs. Sadness (Grief)
Sadness/Grief:
- painfull feel. come in waves, often mixed with positive memories of the decreased
- self-esteem is no affected
Depression:
- Mood and/or pleasure decreased for most of two weeks
- Feelings of worthlessness / self- loathing common
When both of them co-exist togehter, then grief is more severe and last longer.
BUT: despite the overlap, they are still different!!!
History of DSM
x
MDD DSM-IV vs. DSM-V
Separation:depressiveandbipolardisorders
Additionof3newcategoriesofdepressivedisorders (disruptive mood dysregulation disorder, persistent depressive disorder, and premenstrual dysphoric disorder)
Numberofbipolardisordersisunchanged
Entityofmooddisordersnototherwisespecifiedhasbeen replaced with unspecified bipolar disorder and unspecified depressive disorder
• Criteria forepisodesofmania,hypomaniaandmajor depressions are generally unchanged with a few important exeptions
Not included in the DSM-V are the following criteria:
• B. the symptoms do not meet criteria for a mixed episode coexistence within a major depressive episode of at least 3 manic
symptoms (not sufficient to meet for manic episode) is now aspecifier
• E. The symptoms are not better accounted for by bereavement
5 Symptoms (Depression)
Behavioral:....
Cognitive: ....
Emotional
Social: ...
Physical
fertig stellen (S.45)
MDD facts
One or more major depressive episodes
No manic or hypomanic symptoms
Sudden or gradual onset
Episodes last between 6 to 9 months
- Full recovery less likely for co-morbid personality disorders, severe episodes, psychotic features
Half of the patients having MDD, develop second episode
At least two months or more between episodes to count as separate
- Symptoms remain similar between episodes
Diagnostic Criteria MDD nach DSM V
siehe DSM V
Major depressive EPISODE (MDE)
oneset, course, duration:
Beginning in adolescence (5-19y)
Mean age at onset (30 y)
Mean start treatment (33.5 y)
Elderly onset
Course is variable
Duration variable (6-13 months)
MDE (5 requirements)
MDE Is one of the building blocks of mood disorders but not a codable diagnosis!!!
• Must meet 5 requirements:
1) a quality of depressed mood (loss interest/pleasure)
2) has existed for a minimum period of time
3) is accompanied by a required number of symptoms
4) has resulted in distress and disability
5) violates none of the listed exclusions
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