Semantic encoding deficits in a case of traumatic amnesia.

Abstract:

:A 33-year-old patient was studied neuropsychologically 19 years after sustaining severe head trauma. A recent CT scan showed lesions in the left frontal and right temporal regions. Performance on standard memory tests, both verbal and visuospatial, was extremely poor, although other intellectual functioning was relatively spared. The patient showed some interesting deficits in semantic processing. In a depth of processing task there was no advantage for words where semantic encoding had been induced. Neither was there any release from proactive interference after shifts in semantic categories. Deficits were also observed in short-term memory distractor tasks as well as in cueing tasks. These findings suggest that the cognitive deficits commonly observed in Korsakoff's disease can also be present in other amnesic disorders and may in part be related to cortical and especially frontal lobe atrophy.

journal_name

Brain Cogn

journal_title

Brain and cognition

authors

Zatorre RJ,McEntee WJ

doi

10.1016/0278-2626(83)90017-9

subject

Has Abstract

pub_date

1983-10-01 00:00:00

pages

331-45

issue

4

eissn

0278-2626

issn

1090-2147

journal_volume

2

pub_type

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