Event related potentials and serial list picture memory in Parkinson's patients.

Abstract:

:Two experiments examined short-term memory for order information in six patients diagnosed with Parkinson's disease (PD) and six control subjects while event related potentials (ERPs) were recorded. The subjects were tested for recognition of abstract spatial designs and words after a 5 s retention interval. The PD patients failed to respond in 29% of all trials, but the overall accuracy was similar to that in the control group when these trials were excluded. The corresponding ERP results show serial position variations both after presentation of the probe items, and after presentation of the memory set items. The amplitudes were generally lower at all positions for the PD patients at the parietal midline electrode, and the amplitudes were similar for both groups at the frontal electrode. Also, the ERP latencies were significantly slower for the PD patients than for the control group at all conditions. Indirectly the data are consistent with an interpretation of cognitive deficit in PD stressing attention resources.

journal_name

Behav Neurol

journal_title

Behavioural neurology

authors

Korsnes MS,Reinvang I

doi

10.3233/BEN-1996-9203

subject

Has Abstract

pub_date

1996-01-01 00:00:00

pages

69-79

issue

2

eissn

0953-4180

issn

1875-8584

pii

X522040X15750X4R

journal_volume

9

pub_type

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