continuous performance test; vigilance 'A' test

Indications

• assessment of attention
• evaluation of delirium

Procedure

• ask the subject to identify a specific letter or a number in a sequence of letters or numbers read aloud (the letter A is frequently used, thus the 'A' test)

This may be done by raising a finger when the letter or number is said, but not when any other letter or number is said.

HAVEAHAART

Omissions:

Intrusions:

More general terms

• attention assessment