. Brain mechanisms and learning, a symposium. Psychophysiology; Learning, Psychology of. 3-5 7-f. -^''-^V---vw'H^'^,_/^'^^'Y^^^^^^,,/lHwV^^^ 6-4 I -2 3-5 6-4 |r''\,'â Vv/y*M'/lMy^V^''^***''^-''^^ Fig. 6 Bilateral cortical isolation in an animal with well-developed independent mirror focus. This is the same animal shown in Fig. 3. Recordings were made with the animal under 40 mg. per kg. of nembutal anaesthesia. Derivations are from the electrodes indicated in the diagrams. Isolation of the primary lesion is first carried out (6A) and demonstrates loss of paroxysmal spike discharge in the prima
. Brain mechanisms and learning, a symposium. Psychophysiology; Learning, Psychology of. 3-5 7-f. -^''-^V---vw'H^'^,_/^'^^'Y^^^^^^,,/lHwV^^^ 6-4 I -2 3-5 6-4 |r''\,'â Vv/y*M'/lMy^V^''^***''^-''^^ Fig. 6 Bilateral cortical isolation in an animal with well-developed independent mirror focus. This is the same animal shown in Fig. 3. Recordings were made with the animal under 40 mg. per kg. of nembutal anaesthesia. Derivations are from the electrodes indicated in the diagrams. Isolation of the primary lesion is first carried out (6A) and demonstrates loss of paroxysmal spike discharge in the primary region while the secondary area continues to discharge actively. Isolation of the secondary region was then undertaken (6B and C). For a few moments abnormal discharge persists in the isolated secondary region (B) but soon disappears (C) to be replaced by almost complete electrical silence. Note that the electrode positions have been changed in B and C. Calibration: 50 microvolts and i 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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