To investigate the impact of a surgical procedure on HM at the age of 27 that resulted in no new memories being stored.
Method? for HM
For over 55 years he completed different memory tests, interviews and Iq tests. He had an operation where his hippocampi were removed and couldn’t form any new memories after his operation
Results of HM?
He could recall everything prior to the surgery but couldn’t encode new memories. However he could learn new motor skills.
Evaluation of HM
A strength is that it was high in control as there was only one participant
And also it had a standardised procedure over 55 years