It i is now widely accepted that cognitive problems are the most problematic in schizophrenia spectrum illnesses though they garner far less attention from the media than the more florid delusions and hallucinations.
It is also being shown that cognitive difficulties can occur with some with mood disorders to a lesser degree.

What is the situation with PDS though.? Although i am dxed with PD NOS my symptoms are seen to fall mainly in the emotionally unstable/borderline area and i have cognitive difficulties that fall in the executive functioning/critical thinking/visuospatial areas.

Often when i admit to having such difficulties i get looked at in a dismissive and puzzled way as though to say 'But you are intelligent and articulate so you can't possibly have such difficulties' or it's dismissed as
'You're just anxious'.
Very few consider that having cognitive problems may in itself exacerbate an already present tendency to being anxiety prone and that once in an anxious state due to those cognitive problems the anxiety may well increase those problems.
I have anxiety and i have cognitive problems as far as i can see they interact and effect each other. It is not a one directional thing ie
Not thinking well-------------> Cause= anxiety.
Especially as cognitive difficulties preceded the anxiety/social phobia by several years( 9-10 versus 14-15 when they started to overtly manifest themselves(