. Brains of rats and men; a survey of the origin and biological significance of the cerebral cortex. Cerebral cortex; Rats -- Behavior; Psychology, Comparative; Brain -- physiology; Psychology, Comparative; Cerebral Cortex. 96 BRAINS OF RATS AND MEN hemispheres can be removed without loss of the fundamental reflexes. Such a partially decerebrated pigeon will avoid objects in walking and flying and possesses normal eye reflexes. Though at first it cannot feed spontaneously, in the course of a few weeks it may reacquire the power of feeding itself. CQCtex bijpcrstrlatum £J^ectostn'alum mcsostrip


. Brains of rats and men; a survey of the origin and biological significance of the cerebral cortex. Cerebral cortex; Rats -- Behavior; Psychology, Comparative; Brain -- physiology; Psychology, Comparative; Cerebral Cortex. 96 BRAINS OF RATS AND MEN hemispheres can be removed without loss of the fundamental reflexes. Such a partially decerebrated pigeon will avoid objects in walking and flying and possesses normal eye reflexes. Though at first it cannot feed spontaneously, in the course of a few weeks it may reacquire the power of feeding itself. CQCtex bijpcrstrlatum £J^ectostn'alum mcsostripturn epi'strlatum Fig. 19.—Cross-section through the right cerebral hemisphere of the pigeon with parts of the corpus striatum named after Edinger. The elements of the mating reflexes and other com- plex behavior patterns are seen, but these cannot be combined in the normal reflex cycles in the absence of the ectostriatum and hyperstriatum. Removal of the cerebral cortex alone, that is, the surface of the hemisphere to a depth of about an eighth of an inch, leaving a portion at least of every part of the striatum intact, results in little permanent modification of the behavior of the caged bird. A complete breeding cycle can be carried through. The. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Herrick, C. Judson (Charles Judson), 1868-1960. Chicago, Ill. , The University of Chicago press


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectpsychologycomparativ