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Henry Molaison

American memory disorder patient (1926-2008) · United States · Died at 82

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, was an American epileptic man who in 1953 received a bilateral medial temporal lobectomy to surgically resect parts of his brain - the anterior two thirds of his hippocampi, parahippocampal cortices, entorhinal cortices, piriform cortices, and amygdalae - in an attempt to cure his epilepsy.

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About this person

Henry Gustav Molaison, known widely as H.M., was an American epileptic man who in 1953 received a bilateral medial temporal lobectomy to surgically resect parts of his brain - the anterior two thirds of his hippocampi, parahippocampal cortices, entorhinal cortices, piriform cortices, and amygdalae - in an attempt to cure his epilepsy. Although the surgery was partially successful in controlling his epilepsy, a severe side effect was that he became unable to form new memories.

Country
United States
Status
deceased
Dates
Lived 1926 to 2008 · aged 82

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