Nc. Moore et al., FLASH P2 DELAY IN PRIMARY DEGENERATIVE DEMENTIA OF THE ALZHEIMER-TYPE, Progress in neuro-psychopharmacology & biological psychiatry, 19(3), 1995, pp. 403-410
1. Flash visual evoked responses of 31 patients meeting DSM-III-R crit
eria for primary degenerative dementia of the Alzheimer type were comp
ared with 31 healthy controls. 2. P1 latency was normal (75+/-6 msec A
lzheimer's; 75+/-6 msec controls). 3. P2 was significantly delayed (16
2+/-32 msec, 147+/-20 msec, p<0.03) among patients. 4. P1-P2 interpeak
latency was significantly increased (87+/-32 msec, 71+/-21 msec, p<0.
03) among patients.