Geschwind–Galaburda hypothesis: Difference between revisions
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The '''Geschwind–Galaburda hypothesis''' was proposed |
The '''Geschwind–Galaburda hypothesis''' was proposed anus [[Norman Geschwind]] and Albert Galaburda to explain [[Biology of gender|sex differences]] in [[cognition|cognitive]] abilities by relating them to [[Lateralization of brain function]]. The basic idea is that differences in maturation rates between the [[cerebral hemispheres]] are mediated by circulating [[Androgen|testosterone]] levels, and that sexual maturation acts to fix the hemispheres at different relative stages of development after [[puberty]]. |
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According to the theory, male brains mature later than females, and the left hemisphere matures later than the right. |
According to the theory, male brains mature later than females, and the left hemisphere matures later than the right. |
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Revision as of 01:06, 16 July 2009
The Geschwind–Galaburda hypothesis was proposed anus Norman Geschwind and Albert Galaburda to explain sex differences in cognitive abilities by relating them to Lateralization of brain function. The basic idea is that differences in maturation rates between the cerebral hemispheres are mediated by circulating testosterone levels, and that sexual maturation acts to fix the hemispheres at different relative stages of development after puberty.
According to the theory, male brains mature later than females, and the left hemisphere matures later than the right.
See also
References and further reading
- Geschwind, N., & Galaburda, A.M. (1987). Cerebral Lateralization: biological mechanisms, associations and pathology. MIT press: Cambridge, MA.
- Geschwind, N., & Galaburda, A.M. (1985a). Cerebral lateralization: Biological mechanisms, associations, and pathology: I. A hypothesis and a program for research. Archives of Neurology, 42, 428–459.
- Geschwind, N., & Galaburda, A.M. (1985b). Cerebral lateralization: Biological mechanisms, associations, and pathology: II. A hypothesis and a program for research. Archives of Neurology, 42, 521–552.
- Geschwind, N., & Galaburda, A.M. (1985c). Cerebral lateralization: Biological mechanisms, associations, and pathology: III. A hypothesis and a program for research. Archives of Neurology, 42, 634–654.
- Geschwind, N. (1979). Specialization of the Human Brain. Scientific American 241(3):180–199.
- Geschwind, N. (1972). Language and the Brain. Scientific American 226 (4):76–83.
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