Application to identify instances of blunted affect

Development approach: Machine-learning. Classification of past or present symptom: Both. Classes produced: Positive

The output includes- Positive annotations include:

“his affect remains very blunted”, “objectively flattened affect”, “states that ZZZZZ continues to appear flat in affect”

Exclude Negative annotations:

“incongruent affect”, “stable affect”, “no blunted affect”

Exclude Unknown annotations:

“typical symptoms include blunted affect”, “slightly flat affect”, “relative shows flat affect” Definitions: Search term(s): affect blunt [0 to 2 words in between] *affect flat [0 to 2 words in between] affect restrict [ 0 to 2 words in between affect affect [0 to 2 words in between] blunt affect [0 to 2 words in between] flat Affect [0 to 2 words in between] restrict