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Understanding Our Dreams
| Article
# : |
15471 |
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Section : |
NATURAL SCIENCE
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| Issue
Date : |
12 / 1989 |
3,077 Words |
| Author
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David Foulkes
David Foulkes is a research psychologist studying dreaming at
the Georgia Mental Health Institute in Atlanta. He is the
author of Dreaming: A Cognitive-Psychological Analysis
(Hillsdale, NJ: Lawrence Erlbaum Associates, 1985). |
It is banal but true: We are both fascinated and puzzled by our dreams. Where do they come from? What do they mean? Although not a high-priority item on today's scientific agenda, dreaming has become an object of increasing interest in recent years to both neuroscientists and cognitive scientists, who have begun to propound theories that challenge the long-standing hegemony of psychoanalysis.
Natural Science Theories
Physical or biological scientists tend to think that dreaming can be attributed to a peculiar pattern of brain functioning specific to the state of sleep. Nowadays, this view derives not only from a general frame of reference in which aberrant brain states but also from a particular discovery: REM sleep. Named for its accompanying rapid eye movements, REM sleep is a paradoxically aroused state that comprises about 25 percent of total sleep-time in adults. REM sleep was discovered at the University of Chicago in 1953 by Eugene Aserinsky and Nathaniel Kleitman, who also noted that adult volunteers reported detailed dreams on most awakenings from REM sleep and no dreams at all on most awakenings in the absence of REMs. The association of REM awakenings with reports of vivid dreaming has been confirmed in studies of thousands of adult volunteers worldwide.
Thus, recent natural scientific theories have focused on observed or hypothetical peculiarities of REM sleep to explain the seemingly mysterious properties of dream experience. Often, as in the theory of Nobel laureate Francis Crick and his colleague Graeme Mitchison, the focus is on REM sleep rather than on dreaming as such. Their theory, first advanced in 1983, proposes that
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