Dissociation of item and order memory following parietal cortex lesions in the rat.
Rats with parietal cortex lesions were tested for both item and order memory for a list of spatial events in a probe recognition procedure. Rats with parietal cortex lesions were impaired for all events within the item memory task but had good memory for the early events within the order memory task. These data suggest a dissociation of function between item and order memory for parietal cortex damaged animals. In conjunction with previous findings with rats with medial prefrontal cortex lesions, these data suggest that item and order memory can be coded and represented independently.
Department of Psychology, University of Utah, Salt Lake City 84112.
R P
RP
Kesner
M L
ML
Gray
D000818:Animals; D001931:Brain Mapping; D004193:Discrimination Learning / Q000502:physiology*; D004292:Dominance, Cerebral / Q000502:physiology; D008297:Male; D008568:Memory / Q000502:physiology*; D011939:Mental Recall / Q000502:physiology*; D009949:Orientation / Q000502:physiology*; D010296:Parietal Lobe / Q000502:physiology*; D051381:Rats; D011919:Rats, Inbred Strains; D012691:Serial Learning / Q000502:physiology*