Human Sciences Press, Inc., New York City
Dreaming, Vol 6, No. 1, March 1996
Vestibular Dreams: The Effect of Rocking
on Dream Mentation
Kenneth Leslie and Robert Ogilvie
Page 1
Age Changes in Dream Recall in Adulthood
Leonard M. Giambra, Rex E. Jung, and Alicia Grodsky
Page 17
Raters' Abilities to Identify Individuals Reporting
Sexual Abuse
from Nightmare Content
Angela DeDonato, Kathryn Belicki, and Marion Cuddy
Page 33
A Psycholinguistic Method for Analyzing Two
Modalities of Thought
in Dream Reports
Maria Casagrande, Cristiano Violani, and Mario Bertini
Page 43
An Empirical Investigation into the Day-Residue
and Dream-Lag Effects
Clinton J.G. Marquardt, Richard A. Bonato, and Robert F. Hoffmann
Page 57
Kenneth Leslie and Robert Ogilvie
Vestibular Dreams: The Effect of Rocking on Dream Mentation
Dreaming: Journal of the Association for the Study of Dreams. Vol
6(1) 1-16, Mar 1996.
Abstract:
The study investigates the proposed link between vestibular activation and
dream lucidity. In the experiment, subjects spent two consecutive nights
sleeping in a hammock in the sleep lab. For each night, during the second,
third, and fourth REM sleep periods, the hammock was either stationary (control
condition), or rocked at a constant frequency (experimental condition) stimulating
the subject's vestibular system. In all conditions the subject was awakened
after ten minutes of REM sleep and asked to provide a mentation report.
Each report was later analyzed on a number of scales (total word count,
vestibular imagery, self-reflectiveness, categorization on a mentation continuum,
and bizarreness). Physiological measures such as REM density and EEG power
were also analyzed. A rocking by time interaction was found: rocking increased
lucid mentation during early morning REM periods, but had little effect
on the already high degree of lucid mentation during late morning REM periods.
Physiological measures showed little differentiation between
conditions, with the exception of a significantly high incidence of nystagmoid-like
compensatory phasic eye-movements in the rocking condition. These results
suggest that vestibular activation during REM sleep can influence dream
mentation, specifically, dream self-reflectiveness and
vestibular imagery.
Key words: lucid dreams; vestibular; rocking; nystagmus; REM
Leonard M. Giambra, Rex E. Jung, and Alicia Grodsky
Age Changes in Dream Recall in Adulthood
Dreaming: Journal of the Association for the Study of Dreams. Vol 6(1)
17-31, Mar 1996.
Abstract:
Dream recall was measured retrospectively with the Night Dreaming Scale
of the Imaginal Processes Inventory. Evidence supports a high degree of
correspondence among methods which assess dreaming frequency. A cross-sectional
sample (17-92 years old, n = 2328) found fewer dreams recalled with increasing
age. Women recalled more dreams and showed a less rapid decrease in frequency
than men. Longitudinal changes (n = 333) over 6 to 8 years were not wholly
consistent with cross-sectional age differences. We found many fewer recalled
dreams in senescence.
However, the reduction in recalled dreams began well before senescence.
Explanations based on dream saliency, long- and short-term memory failure,
levels of REM sleep, and degree of spontaneous information processing were
considered.
Key words: dreams; dream recall; age; aging
Angela DeDonato, Kathryn Belicki, and Marion Cuddy
Raters' Abilities to Identify Individuals Reporting Sexual Abuse from
Nightmare Content
Dreaming: Journal of the Association for the Study of Dreams. Vol
6(1) 33-41, Mar 1996.
Abstract:
The purpose of this study was to examine raters' abilities to detect a history
of sexual abuse from nightmare reports. Seventy-five university students
were given 28 nightmare reports from women: 14
reporting a history of sexual abuse and 14 reporting no abuse. The students
were randomly assigned to three instruction conditions: one group was given
no information about the characteristics of sexual abuse reports, while
two groups were given either brief or expanded descriptions. The raters
were then asked to make a judgment about whether or not each dreamer had
been sexually abused. Following this task, they completed a questionnaire
concerning demographic information and their own experiences with sexual,
physical and/or emotional abuse. In general, raters were able
to sort the nightmare reports at a level well above chance. Furthermore,
instruction condition and characteristics of the raters were unrelated to
accuracy. However, most raters underestimated the number of abuse reports,
with men showing greater underestimation than women. The overall results
indicate that even single reports of nightmares can yield clues to a dreamer's
reported history. However, they cannot be used as a "diagnostic test,"
given the rates of both false positive and false negative errors.
Key words: nightmares; dreams; abuse; sexual abuse
Maria Casagrande, Cristiano Violani, and Mario
Bertini
A Psycholinguistic Method for Analyzing Two Modalities of Thought
in Dream Reports
Dreaming: Journal of the Association for the Study of Dreams. Vol
6(1) 43-55, Mar 1996.
Abstract:
Following the general idea of a substantial bidimensionality of mind, a
cognitive psycholinguistic model is proposed attempting to describe how
two thinking modalities – named Y and X may
contribute to the production of a dream report. Based on this model, two
sets of syntactical-lexical categories were defined whose counts, divided
for report length, should indicate the contribution of the two modalities
to the verbal report of the dream. Preliminary results, based on the analysis
of dream reports contributed by 70 subjects, confirmed the factorial validity
of the Y and X measures. Comparisons of REM and sleep onset reports confirm
that Y and X factorial indices are sensitive to
discriminate state dependent characteristic of sleep mentation.
Key words: REM dream reports; sleep onset dream report; psycholinguistics;
linguistic analysis; bidimensional model of thought; sleep mentation
Clinton J.G. Marquardt, Richard A. Bonato, and
Robert F. Hoffmann
An Empirical Investigation into the Day-Residue and Dream-Lag Effects
Dreaming: Journal of the Association for the Study of Dreams. Vol
6(1) 57-65, Mar 1996.
Abstract:
Detailed information, including dream reports and questionnaires on the
dreams, was collected from 17 female and 11 male undergraduates (mean age
= 20.6 years; range: 19-31 years) as part of a two week investigation into
day-residue and dream-lag phenomena. Eligibility for participation was based
upon a self-reported dream recall frequency of three or more dreams per
week. It was hypothesized that the day-residue and dream-lag effects would be
supported by an examination of subject-rated dreams and residues. In addition,
it was hypothesized that subdivisions of the day-residue temporal rating would
provide a more accurate representation of residue frequency. A last hypothesis
explored the possibility that the dream experience-dream recording interval
would be correlated with the number of residues reported. Results directly
support the existence of a day-residue effect, while only indirectly supporting
a dream-lag effect. The subdivisions of the day-residue temporal category implied that
instantaneous incorporations of physical stimuli do occur and that a period of 2
hours before bed yields a high hourly rate of incorporation. No correlation
between the dream experience-dream recording interval and the number of residues
reported was found. Implication for mnemonic dream sources are discussed.
Key Words: dreams; day-residue; dream-lag; dream incorporation; past events.
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