PubMed · 601142
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E Howarth. 1977. Mood variation patterns based on factor analysis.. https://doi.org/10.2466/pr0.1977.41.3f.1159
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Cyclical self-injurious behavior (SIB) in the form of self-slapping was treated in a 45-year-old, profoundly retarded woman who had a life-long history of SIB. Her SIB alternated between high (mean = 8.54 responses per min; SD = 6.77 and low (mean = 0.05 responses per min; SD = 0.20) frequencies every 8 weeks on average. Instances of self-slapping produced water mist treatment paired with a verbal command, "No hitting". Absence of self-slapping and/or completion of a work task led to a variety of outcomes, including brief back rubs, sips of water, small edibles, and praise. Water mist treatment reduced the frequency of SIB within treatment days during high frequency periods, but produced no reduction across treatment days. Treatment onset was associated with a slight increase in the frequency of SIB during three of the five low frequency periods. However, water mist treatment suppressed SIB completely in sessions during low frequency periods and the suppression continued across treatment days. Water mist treatment produced no discernible changes in the length of the high and low frequency periods of SIB.
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The Multiple Sleep Latency Test (MSLT) has gradually gained acceptance as an objective equivalent of the complaint of sleepiness. The history of this test and questions considering the validity of the MSLT in different situations are discussed.