What was the overall result of Karl Lashley's research that sought out the engram of human memory?

• A. Lashley concluded that the engram could be found in the cerebellum.
• B. Lashley found that memory is not localized to a single area of the brain but is distributed throughout the cortex.
• C. Lashley proved that memories are stored exclusively in the frontal lobe.
• D. Lashley discovered that the hippocampus is the sole location of the memory engram.

Answer: (B)

Verified step by step guidance

1. Understand the concept of the 'engram,' which refers to the physical trace or location of memory storage in the brain.
2. Review Karl Lashley's experimental approach, where he trained rats to perform tasks and then made lesions in different parts of their cortex to observe effects on memory.
3. Note that Lashley found that no single area of the cortex was solely responsible for memory loss, indicating that memory is not localized to one specific brain region.
4. Recognize Lashley's conclusion that memory functions are distributed across the cortex rather than confined to a particular spot, opposing the idea of a single engram location.
5. Summarize that Lashley's research suggested memory is a distributed process in the brain, which was a foundational insight in understanding how memories are stored and processed.