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Treatment of Symptoms in Children with Q3 Conditions Scoping Review Results
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<a href="http://doi.org/10.1016/j.ridd.2014.01.011" target="_blank" rel="noreferrer noopener">http://doi.org/10.1016/j.ridd.2014.01.011</a>
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Title
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Rett syndrome: A preliminary analysis of stereotypy, stress, and negative affect
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Research in Developmental Disabilities
Date
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2014
Subject
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behavioral problems; tone and motor problems; Rett syndrome; trajectory; characteristics; negative affect; hand stereotypy; stereotypy
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Quest K M; Byiers B J; Payen A; Symons F J
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Rett syndrome (RTT) is a neurodevelopmental disorder primarily affecting females. It is characterized by apparently normative development of motor and communicative abilities followed by deterioration in these domains. Stereotypic hand movements are one of the core diagnostic criteria for RTT. There is some anecdotal but limited scientific evidence that changes in hand stereotypy may be a sign of increased anxiety or arousal (i.e., a 'stress response') in RTT. Understanding stress responsivity is difficult in RTT because almost all individuals are nonverbal or otherwise severely communicatively impaired. This study used direct behavioral observation to quantify and compare the frequency of hand stereotypy and signs of negative affect during presumed periods of high and low stress associated with functional analysis conditions (negative reinforcement ['escape'] and control ['free play'], respectively) for 5 females with RTT (mean age = 17.8; range 4-47). Negative affect was more likely to occur during negative reinforcement ('stress') conditions for each participant whereas hand stereotypies did not differ across conditions for any of the participants. Although preliminary, the results suggest that hand stereotypy may not be a valid behavioral 'stress-response' indicator in females with RTT. Alternatively, the approach we used may have been limited and not sufficient to evoke a stress response. Either way, more work with direct relevance to improving our understanding of hand stereotypy and anxiety in WIT in relation to social context appears warranted. (C) 2014 Elsevier Ltd. All rights reserved.
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<a href="http://doi.org/10.1016/j.ridd.2014.01.011" target="_blank" rel="noreferrer noopener">10.1016/j.ridd.2014.01.011</a>
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Article information provided for research and reference use only. PedPalASCNET does not hold any rights over the resource listed here. All rights are retained by the journal listed under publisher and/or the creator(s).
2014
behavioral problems
Byiers B J
characteristics
hand stereotypy
negative affect
Payen A
Quest K M
Research in Developmental Disabilities
Rett syndrome
stereotypy
Symons F J
tone and motor problems
Trajectory