The failuretofunctionadequately is when a person crosses the line between normal and abnormal to the point that the can’t deal with the demands of everyday life.
E.g. not being able to maintain nutrition and hygiene.
AO1 - Rosenhan and Seligman (FFA)
They proposed signs of FFA which is:
When a person no longer conforms to interpersonalrules, e.g. maintaining eye contact.
When a person experiences severepersonaldistress.
When a person behaves in a way that is irrational and dangerous.
AO1 - intellectual disability disorder (FFA)
One of the criteria for intellectualdisabilitydisorder is having a verylowIQ (a statisticalinfrequency).
However, a diagnosis wouldn’t been made on this basis alone, an individual must also be failing to functionadequately.
AO1 - look at what is normal (DFIMH)
Deviationfromidealmentalhealth is to look at what makes someone psychologicallyhealthy and identify who deviates from this ideal.
AO1 - Jahoda (DFIMH)
Jahoda suggested we are in good mental health if we meet the following criteria:
We have no symptoms of distress
We are rational and can perceive ourselves accurately
We self-actualise
We have a realistic view of the world
We have good self-esteem and lack guilt
We are independent
We can successfully work,love, and enjoyleisure
We can cope with stress
AO1 - overlap between definitions (DFIMH)
Someone‘s inability to keep a job may be a sign of FFA or as DFIMH.