Reliability of Indexes of Worm Learning

Corning W. C. Ratner S. C. (Eds.) Chemistry of learning: planaria and other invertebrates. New York: Plenum, 1967.

Gardner L. E. Habituation in the earthworm: retention and over-habituation. Unpublished Ph.D. thesis, Michigan State Univer., 1966.

Hilgard E. R. Methods and procedures in the study of learning. In Stevens S. S. (Ed.), Handbook of experimental psychology. New York: Wiley, 1951. Pp. 517–567.

Ratner S. C. Stein D. G. Responses of worms to light as a function of intertrial interval and ganglion removal. J. comp. physiol. Psychol., 1965, 59, 301–305.

VanDeventer J. M. Responses to repeated tactile stimulations in the planarian, Dugesia tigrina. Unpublished Ph.D. thesis, Michigan State Univer., 1967.

Wilson R. A. Collins G. D. Establishment of a classically conditioned response and transfer of training via cannibalism in planaria. Percept. mot. Skills, 1967, 24, 727–730.