Background The purpose of this two-phase project was to conduct formative evaluation and test the preliminary efficacy of a newly developed web-based, tailored behavioral preparation program (WebTIPS) for children undergoing outpatient surgery and their parents Methods Phase I enrolled 13 children aged 2–7 years undergoing outpatient elective surgery and their parents for formative evaluation of WebTIPS. Parent participation focus groups which are common in qualitative research and are a method of asking research participants about their perceptions and attitudes regarding a product or concept. In phase II, children age 2–7 years in two medical centers were randomly assigned to receive the WebTIPS program (n = 38) compared to children receiving standard of care (n = 44). The primary outcome of phase II was child and parent preoperative anxiety. Results In phase I, parents reported WebTIPS to be both helpful (p < 0.001) and easy to use (p < 0.001). In phase II, children in the WebTIPS group (36.2 ± 14.1) were less anxious than children in the standard of care group (46.0 ± 19.0) at entrance to the operating room (p = 0.02; Cohen’s d = 0.59) and introduction of the anesthesia mask (43.5 ± 21.7 vs. 57.0 ± 21.2, respectively, p = 0.01; Cohen’s d = 0.63). Parents in the WebTIPS group (32.1 ± 7.4) also experienced less anxiety compared to parents in the control group (36.8 ± 7.1) in the preoperative holding area (p = 0.004; Cohen’s d = 0.65). Conclusions WebTIPS was well received by parents and children and led to reductions in preoperative anxiety.
Background The underlying pathophysiologic mechanism for complex motor stereotypies in children is unknown with hypotheses ranging from an arousal to a motor control disorder. Movement-related cortical potentials (MRCPs), representing the activation of cerebral areas involved in the generation of movements, precede and accompany self-initiated voluntary movements. The goal of this study was to compare cerebral activity associated with stereotypies to that seen with voluntary movements in children with primary complex motor stereotypies. Methods Electroencephalographic (EEG) activity synchronized with video recording was recorded in 10 children diagnosed with primary motor stereotypies and 7 controls. EEG activity related to stereotypies and self-paced arm movements were analyzed for presence or absence of early or late MRCP, a steep negativity beginning about one second before the onset of a voluntary movement. Results Early MRCPs preceded self-paced arm movements in 8 out of 10 children with motor stereotypies and in 6 out of 7 controls. Observed MRCPs did not differ between groups. No MRCP was identified before the appearance of a complex motor stereotypy. Conclusions Unlike voluntary movements, stereotypies are not preceded by MRCPs. This indicates that premotor areas are likely not involved in the preparation of these complex movements and suggests that stereotypies are initiated by mechanisms different from voluntary movements. Further studies are required to determine the site of the motor control abnormality within cortico-striatal-thalamo-cortical pathways and to identify whether similar findings would be found in children with secondary stereotypies.
Tactile interactions are of developmental importance to social and emotional interactions across species. In beginning to understand the affective component of tactile stimulation, research has begun to elucidate the neural mechanisms that underscore slow, affective touch. Here, we extended this emerging body of work and examined whether affective touch (C tactile [CT]-optimal speed), as compared to nonaffective touch (non-CT-optimal speed) and no touch conditions, modulated EEG oscillations. We report an attenuation in alpha and beta activity to affective and nonaffective touch relative to the no touch condition. Further, we found an attenuation in theta activity specific to the affective, as compared to the nonaffective touch and no touch conditions. Similar to theta, we also observed an attenuation of beta oscillations during the affective touch condition, although only in parietal scalp sites. Decreased activity in theta and parietal-beta ranges may reflect attentional-emotional regulatory mechanisms; however, future work is needed to provide insight into the potential neural coupling between theta and beta and their specific role in encoding slow, tactile stimulation.
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