To control the disabling seizures of Henry Molaison (H.M.), doctors surgically removed portions of his brain, including the hippocampus. The surgery affected H.M.’s memory, causing profound anterograde amnesia. This finding helped scientists understand the role the hippocampus plays in:
Researcher Karl Lashley studied complex memories in rats by making large cuts in various parts of their cortices after the rats had learned to navigate specific mazes. He concluded that complex memories are:
Lorelei is having difficulty with the formation of both implicit and emotional memories. Which region of her brain should a neurologist examine for possible damage?
Thomas studies topics with great resolve, gathering all the information he can about a particular area of interest. When the time comes to retrieve that information, however, he really struggles. Thomas’s difficulties may be due to problems with his working memory and his ________, which is essential for retrieval.
Justin and Sanavi are shopping for their first home. While at an open house, Sanavi comments that the family room reminds her of her childhood home. “It really is uncanny. I swear this could be my old family room!” Sanavi’s ability to access these spatial memories can be attributed to activity in her ________.
In 1995, Jay visited Mammoth Cave National Park in Kentucky. He was particularly fascinated by the formation of stalactites and stalagmites. He can still remember the way they looked, almost as if he were in the caves today. Which part of the brain might be responsible for the storage of such memories?