In order to conclude that a set of neurons are engrams, these neurons must be activated only by the retrieval test.

Question

Quizplus · Accepted Answer

Engrams, or memory traces, are not exclusively activated by retrieval tests; they can also be activated by related stimuli or during the encoding and consolidation phases of memory formation. Activation by a retrieval test alone is not sufficient to conclude that a set of neurons are engrams; it must be shown that their activation correlates with specific memory recall.

In Order to Conclude That a Set of Neurons Are