Did HM have retrograde or anterograde amnesia
On its own, this type of memory loss is rare.Anterograde amnesia is often temporary.Henry molaison, known by thousands of psychology students as hm, lost his memory on an operating table in a hospital in hartford in august 1953.Often patients who have anterograde amnesia have some degree of retrograde from psych 440 at san francisco state universityBut they can form new memories after the event.
Since molaison did not show any memory impairment before the surgery, the removal of the medial temporal lobes can be held responsible for his memory disorder.Was suffering from anterograde amnesia due to surgery conducted to cure his epilepsy.Anterograde amnesia is a type of memory loss that occurs when you can't form new memories.People who have retrograde amnesia cannot remember things that happened before the event that caused their amnesia.Was described as having a partial loss of memory (retrograde amnesia) for the 3 years leading up to his surgery, with early memories seemingly normal (scoville and milner, 1957, p.
He could not form new memories (anterograde amnesia) and also could not access some memories acquired before his surgery (retrograde amnesia).