Brain & Memory in Young and Old

Infant amnesia: tendency for people to recall few specific events before 4-5yo

Implicit memories may go further back than explicit memories

Infants & Elderly perform most poorly on hippocampal-dependent tasks (involving explicit memories)

Hippocampus is slow to mature and degenerates in old age

Prefrontal cortex also degenerates with age

Declining DA & norepinepherine (NE) synapses in the prefrontal cortex