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A measure of brain development is proposed which might correlate with intelligence. The neocortex/medulla volume is given for many species of primate, and it is found that this measure correlates with a measure of responsiveness to novel objects, and with performance on visual discrimination learning set. It is shown that cranial capacity/foramen magnum area is closely related to brain/medulla volume, and may therefore be used as a related measure with fossil species.

Type

Journal article

Journal

Brain Behav Evol

Publication Date

1975

Volume

11

Pages

1 - 15

Keywords

Animals, Behavior, Animal, Body Weight, Brain, Cerebral Cortex, Foramen Magnum, Haplorhini, Hominidae, Humans, Intelligence, Learning, Medulla Oblongata, Organ Size, Species Specificity, Strepsirhini