Studies of Cerebral Function in Learning, Vol. 9: Mass Action in Relation to the Number of Elements in the Problem to Be Learned (Classic Reprint) - Hardcover

Karl Spencer Lashley

9780483184794: Studies of Cerebral Function in Learning, Vol. 9: Mass Action in Relation to the Number of Elements in the Problem to Be Learned (Classic Reprint)

Hardcover

ISBN 10: 0483184799 ISBN 13: 9780483184794

Publisher: Forgotten Books, 2024

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Mass Action in Learning and the Brain

A classic study explores how brain lesions affect maze learning and problem solving in animals, shedding light on how brain damage changes learning ability across tasks of different complexity. This edition compiles detailed observations and careful analysis to map how extent and location of injury relate to performance.

The work frames a key question in brain science: why do similar lesions produce different outcomes in different individuals? It describes experiments with multiple maze tasks, comparing normal and brain-damaged groups, and discusses how task difficulty, element repetition, and qualitative differences influence learning and memory. The discussion is grounded in data, with attention to variability among subjects and to what the findings suggest about general principles of learning and cortex function.

Learn how researchers assess learning through maze performance and error patterns
See how lesion extent correlates with task difficulty and learning rate
Understand theories on mass action, equipotentiality, and the role of different cortical regions
Explore debates about qualitative vs. quantitative differences in learning after brain injury

Ideal for readers of neuroscience, psychology, and history of brain research who want a window into early 20th‑century experiments and the questions they raised about how the brain learns.

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