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Biomedical subjects

M Sijsenaar

Publications and source records attributed to M Sijsenaar.

2 recordsLinked to original sources

Treating phobic children: effects of EMDR versus exposure.

This study examined the efficacy of eye movement desensitization and reprocessing (EMDR) and exposure in the treatment of a specific phobia. Twenty-six spider phobic children were treated during 2 treatment phases. During the first phase, which lasted 2.5 hr, children were randomly assigned to either (a) an EMDR group (n = 9), (b) an exposure in vivo group (n = 9), or (c) a computerized exposure (control) group (n = 8). During the 2nd phase, all groups received a 1.5-hr session of exposure in vivo. Therapy outcome measures (i.e., self-reported fear and behavioral avoidance) were obtained before treatment, after Treatment Phase 1, and after Treatment Phase 2. Results showed that the 2.5-hr exposure in vivo session produced significant improvement on all outcome measures. In contrast, EMDR yielded a significant improvement on only self-reported spider fear. Computerized exposure produced nonsignificant improvement. Furthermore, no evidence was found to suggest that EMDR potentiates the efficacy of a subsequent exposure in vivo treatment. Exposure in vivo remains the treatment of choice for childhood spider phobia.

Adolescent↗

Thought suppression in spider phobia.

The current study examined the role of thought suppression in spider phobia. Spider phobic (n = 41) and non-phobic (n = 40) subjects were asked to monitor their thoughts for three 5 min periods. During the first period, all subjects were instructed to "think about anything". During the second period, half of the subjects received suppression instructions (i.e., subjects were explicitly asked "not to think of spiders"), whereas the other half once again received instructions to "think about anything". During the third period, all subjects were instructed to "think about anything". Spider-related thoughts were monitored on-line. Also, subjects retrospectively estimated the amount of time they had spent thinking about spiders. Overall, spider phobics reported higher levels of spider-related thoughts than non-phobic subjects. Furthermore, phobic subjects tried harder to suppress spider-related thoughts than non-phobic subjects. Finally, although some evidence was found for the counterproductive effects of thought suppression, its contribution to the frequency of spider-related thoughts was minimal.

Adult↗