    152

    136. Herbert M. Lefcourt, Locus of Control: Current Trends in Theory and Research, p.

    108.

    137. Hans Selye, M.D., Stress Without Distress, New American Library, New York, 1975,

    pp. 19-20.  Other writers  also acknowledge that some stress is good.  Langley

    Neuropsychiatric Institute's Pelletier says, "it is abundantly clear that stress is not

    inherently destructive and is, in fact, often highly beneficial." (Kenneth R. Pelletier,

    "Stress: Etiology, Assessment, and Management in Holistic Medicine," in Hans Selye,

    ed., Selye's Guide to Stress Research, Volume 3, pp. 48-49.)      Jack C. Horn and Jeff

    Meer, two editors at Psychology Today, put it succinctly when they said, "People rust out

    faster from disuse than they wear out from overuse." (Jack C. Horn and Jeff Meer, "The

    Vintage Years," Psychology Today, May, 1987, p. 83.)  And Richard Restak, M.D., author

    of two highly-acclaimed PBS television series on the brain and mind, acknowledges that,

    "Some people actually thrive on stress." (Richard Restak, M.D., The Brain, p. 168.)

    138. Osteoporosis can even be caused by the lack of exercise of skeletal tissue in

    prolonged space flight.  The syndrome is called disuse osteoporosis.  (Peter L. Petrakis,

    "Osteoporosis," Academic American Encyclopedia, Vol. 14, p. 457.)

    139. William T. Greenough and Fred R. Volkmar, "Pattern of Dendritic Branching in

    Occipital Cortex of Rats Reared in Complex Environments," Experimental Neurology,

    August, 1973, pp. 491-504.  Mark R. Rosenzweig, "Environmental Complexity, Cerebral

    Change, And Behavior," American Psychologist, 1966, 21, pp. 321-342.  Mark R.

    Rosenzweig, Edward L. Bennett and Cleeves Diamond, "Brain Changes In Response to

    Experience,"  Scientific American, February, 1972, pp. 22-29.  Marion C. Diamond,

    "Enrichment Response of the Brain," Encyclopedia of Neuroscience, Vol. 1, pp. 396-397.

    James W. Grier, Biology of Animal Behavior, pp. 568-569.  For information on how

    sensory deprivation in young monkeys damages their visual systems, see Austin H.

    Riesen, "Plasticity of Behavior: Psychological Aspects," in Harry F. Harlow and Clinton N.

    Woolsey, ed., Biological and Biochemical Bases of Behavior, The University of Wisconsin

    Press, Madison, Wisconsin, 1965, pp. 425-450.

    140. Marion C. Diamond, "Enrichment Response of the Brain," Encyclopedia of

    Neuroscience, Vol. 1, pp. 396-397.  Joseph Altman, Organic Foundations of Animal

    Behavior, pp. 372-373, 376-377.  Richard M. Restak, M.D., The Mind, pp. 76-77.

    141. Harvey D. Goldstein, Ph.D., Ceremony of Innocence, University of Southern

    California's Broadcast and Media Services.  Early Christian tradition identified the author

    of Ecclesiastes as King Solomon.  Robin Lane Fox says modern scholars disagree,

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