Engrams, what are they?

Engrams, what are they?

• A. Long-term memory for routes to food
• B. Short-term memory for odors
• C. The development and storage of familiar motor actions in the brain
• D. A neural trace of experienced actions used for behavior

Answer: (C)

Engrams are memory traces in the brain—physical changes that occur when we learn something. When you practice a task, the brain rewires itself so that the pattern of neural activity that underlies that task becomes built into the circuitry. This enables you to perform the action more automatically and efficiently in the future. In the context of learned behaviors, the engram often centers on motor actions. The development and storage of familiar motor actions mean the brain has created and preserved a neural pattern that guides how to perform that action when prompted. With repetition, these motor traces become stronger, making the behavior more reliable and quicker to execute. So, the option that describes the development and storage of familiar motor actions in the brain best aligns with what an engram is: a stored neural representation that underpins the ability to perform a practiced behavior.

Engrams are memory traces in the brain—physical changes that occur when we learn something. When you practice a task, the brain rewires itself so that the pattern of neural activity that underlies that task becomes built into the circuitry. This enables you to perform the action more automatically and efficiently in the future.

In the context of learned behaviors, the engram often centers on motor actions. The development and storage of familiar motor actions mean the brain has created and preserved a neural pattern that guides how to perform that action when prompted. With repetition, these motor traces become stronger, making the behavior more reliable and quicker to execute.

So, the option that describes the development and storage of familiar motor actions in the brain best aligns with what an engram is: a stored neural representation that underpins the ability to perform a practiced behavior.