H.M. not only suffered from both retrograde and anterograde amnesia after his hippocampus was surgically removed, but his IQ level was also impaired.

Name: H.M. not only suffered from both retrograde and anterograde amnesia after his hippocampus was surgically removed, but his IQ level was also impaired.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

H.M. (Henry Molaison) did suffer from severe anterograde amnesia and some retrograde amnesia after his surgery, but his IQ remained intact and was reported to be above average.

HM Not Only Suffered from Both Retrograde and Anterograde Amnesia