In the 1920s, psychologist Karl Lashley:
A) began a longitudinal study on the memory of high school students for the words and phrases they had learned in Spanish class.
B) began the first systematic study of forgetting, using nonsense syllables.
C) measured the duration of visual sensory memory.
D) began searching for the memory trace, or engram, which refers to the hypothetical brain changes associated with a particular stored memory.

Question

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Karl Lashley's main contribution to memory research was his search for the memory trace, or engram, which refers to the hypothetical brain changes associated with a particular stored memory. He famously tried to locate this engram by lesioning different parts of the brains of rats and observing the effects on their memory abilities.

In the 1920s, Psychologist Karl Lashley