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Lateralization and One-trial Inter-hemispheric Transfer of Avoidance Conditioning

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Abstract

MANY workers have demonstrated the use of spreading cortical depression to lateralize the effects of conditioning to one cerebral hemisphere. Russell and Ochs1 have shown that food-reinforced bar-pressing lateralized to one hemisphere could be transferred to the other hemisphere with a single reinforced trial during bilateral cortical function. More recently Russell and Ochs2 showed that a necessary condition for such one-trial inter-hemispheric transfer of a memory trace was the presence of reinforcement during bilateral function. If animals were allowed to perform the conditioned response in the absence of reinforcement no transfer was found.

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References

  1. 1

    Steele Russell, I., and Ochs, S., Science, 133, 1077 (1961).

  2. 2

    Steele Russell, I., and Ochs, S., Brain, 86, 37 (1963).

  3. 3

    Bureš, J., and Burešovà, O., J. Comp. and Physiol. Psychol., 53, 558 (1960).

  4. 4

    Steele Russell, I., and Ross, R. B. (unpublished results).

  5. 5

    Ross, R. B., Nature, 201, 109 (1964).

  6. 6

    Chamberlain, T. J., Halick, P., and Gerard, R. W., J. Neurophysiol., 26, 662 (1963).

  7. 7

    McGaugh, J. L., Westbrook, W. H., and Thompson, C. W., J. Comp. and Physiol. Psychol., 55, 710 (1962).

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