Following a brain injury from a brutal knife attack,Mike is unable to consciously recall or recognize what a knife is.But he still shows a conditioned fear response to the sight of a knife.His conditioned reaction best indicates that he retains a(n) ________ memory.

A) sensory
B) repressed
C) working
D) implicit

Implicit Memory

A form of memory where past experiences improve the execution of a task without the individual being consciously aware of those experiences.

Conditioned Fear Response

A learned response to a previously neutral stimulus that now triggers fear after being associated with an aversive event.

Brain Injury

Damage to the brain caused by external physical force, potentially leading to temporary or permanent impairment of cognitive, physical, and psychosocial functions.