Learning disabilities Flashcards
What is the ICD-10 classification of a learning disability?
- IQ <70
- loss of adaptive social functioning
- onset before age 18
what is the most common prenatal cause of learning disabilities?
- Downs syndrome
- Fragile X
- maternal drug and alcohol abuse
- foetal alcohol syndrome
what “developmental age” would someone with an IQ <20 be at?
what is an IQ <35 associated with?
what is associated with IQ 35-49?
- about 12 months
- 50% have epilepsy
- more receptive tan expressive language
what is the most common peri-natal causes?
post-natal?
- HIE, injury due to birth complications
- illnesses, injury or environmental conditions (meningitis etc)
what conditions are associated with learning difficulties?
- cerebral palsy
- autism
- epilepsy (30%)
- Prader-Willi syndrome
- Tuberous sclerosis (up to 50%)
what are the features of autism?
- inflexible thinking and behaviour (concrete thinking)
- rigid routines
- unusual sensory perception
- characterised by a lack of social instinct
- struggle with interaction, communication and imagination
- hypo/ hypersensitivity
What is aspergers syndrome characterised by?
- sensory distortion
- perceptual distortion (of light, shade, colour, movement)
- executive function difficulties (personal organising and planning)
- central coherence difficulties (arranging details/ making connections)
- inflexibility of thought and action (leading to difficulties in making transitions)
Why is psychiatry important in LD?
- more likely to develop mental health problems
- experience more biopsychosocial health problems
what kind of symptoms are there of depression in someone with LDs?
- agitation
- appetite
- weight
- sleep
- self care/ regression
- psychomotor retardation
- tearfulness
what do you have to worry about in LD when prescribing medications?
what might depressive features indicate?
- more side effects
- early onset dementia
what might you worry about with dementia assessment?
- normal assessment tests are not possible in LD patients
What other mental health issues are common apart from depression?
- anxiety: lack of confidence in everyday situations, may present in a change in behaviour
- psychosis: people with LD may present with a change in behaviour
what biological causes are there for challenging behaviour?
- mental illness
- epilepsy
- pain
- hunger
- Lesch Nhyan syndrome (self injury)
- Prader Willi (overeating)
what social/ environmental causes are there for challenging behaviour in LD?
psychological?
- limited space
- noise
- other demands
- boredom
Psychological:
- fear
- learned responses
- belief
what are the signs of addiction?
- narrowing of repertoire
- drinking on your own
- compulsion to drink
- tolerance to drinking
- continuing despite negative consequences
- withdrawal