. Brain mechanisms and learning, a symposium. Psychophysiology; Learning, Psychology of. K. LISSAK AND E. ENDROCZI 3O5 Institute in experiments on cats after diencephalic stimulation. Further- more, it was interesting to sec what changes in behaviour were elicited in the dogs by stimulation outside the conditioned reflex chamber. The experiments resulted in the surprising observation that in the new situa- tion either a simple orientation reflex or a dominant conditioned reflex. Fig. II Schematic illustration of cross-section of dog's brain at the mesencephalic level. Numbers show the points o
. Brain mechanisms and learning, a symposium. Psychophysiology; Learning, Psychology of. K. LISSAK AND E. ENDROCZI 3O5 Institute in experiments on cats after diencephalic stimulation. Further- more, it was interesting to sec what changes in behaviour were elicited in the dogs by stimulation outside the conditioned reflex chamber. The experiments resulted in the surprising observation that in the new situa- tion either a simple orientation reflex or a dominant conditioned reflex. Fig. II Schematic illustration of cross-section of dog's brain at the mesencephalic level. Numbers show the points of stimulation eliciting positive conditioned reactions. (BIC: brachium of inferior colliculus; CC: corpus callosum; H: hippocampus; LGP: lateral geniculate body, pars post.; MG: Medial geniculate body; OT optic tract; P: posterior nucleus and pyramid; PC post, commissure; PL: pulvinar; PRE: prctectum; RN red nucleus; SN: substantia nigra.) corresponding to the new environment appeared. Thus, the animal lay down or sat down or gave its paw to the observer, which corresponded to a conditioned reflex learned before. An interesting result was obtained in the course of these observations by Lissak and Endroczi (1959) when stimulation was carried out in the neurotic state. In animals in which. 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 Council for International Organizations of Medical Sciences; Fessard, A. (Alfred); Delafresnaye, J. F. (Jean Francisque), 1919-. Springfield, Ill. , Thomas
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