NIH Common Data Elements (CDE) Repository

General Details:

Name:: Problem Behaviours Assessment - Short Form (PBA-S) - delusions paranoid thinking severity score
Steward:: NINDS
Definition:: Scores for severities of Delusions/Paranoid Thinking as part of the Problem Behaviours Assessment - Short Form (PBA-S).
Registration Status:: Qualified

Value	Code Name	Code Description
0	Symptom absent	Symptom absent
1	Questionable or trivial	Questionable or trivial
2	Overvalued ideas (not amounting to true delusions) are present for some part of the day but do not affect subject's behaviour	Overvalued ideas (not amounting to true delusions) are present for some part of the day but do not affect subject's behaviour
3	Overvalued ideas are present for much of the day, and subject behaves as if these beliefs were true, although he/she can be persuaded (with difficulty) that he/she is mistaken	Overvalued ideas are present for much of the day, and subject behaves as if these beliefs were true, although he/she can be persuaded (with difficulty) that he/she is mistaken
4	Delusions: false beliefs, held with unshakeable conviction, which are not shared by other members of subject's social and cultural group and have been present continuously for at least 7 days	Delusions: false beliefs, held with unshakeable conviction, which are not shared by other members of subject's social and cultural group and have been present continuously for at least 7 days
8	Unable to assess because condition too advanced (e.g. mute and immobile)	Unable to assess because condition too advanced (e.g. mute and immobile)
9	Absence of a reliable informant	Absence of a reliable informant

Designation:: Problem Behaviours Assessment - Short Form (PBA-S) - delusions paranoid thinking severity score
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Definition:: Scores for severities of Delusions/Paranoid Thinking as part of the Problem Behaviours Assessment - Short Form (PBA-S).
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Document:: COPYRIGHT University of Ulm, Faculty of Medicine, EHDN Behavioural Phenotype Working Group (Version 1.4, February 2007). For enquiries, contact permissions@euro-hd.net A paper describing the reliability of the PBA-s (in English, Dutch and French) based on data from the TRACK-HD study is in preparation and will be submitted shortly. Craufurd D, Thompson J, Snowden JS. Behavioural changes in Huntington's disease: the Problem Behaviours Assessment. Neuropsychiatry, Neuropsychology and Behavioural Neurology 2001; 14 (4): 219-226.