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Preconscious processing bias in specific phobia
M van den Hout1, N Tenney, K Huygens
1Department of Experimental and Abnormal Psychology, University of Limburg, Maastricht, The Netherlands.
Behaviour Research and Therapy
|January 1, 1997
Summary
Preconscious processing bias, linked to anxiety, was observed in spider phobics using the modified Stroop task. This bias, even without conscious awareness, improved after behavior therapy, suggesting therapy influences subconscious processing.
Area of Science:
- Cognitive Psychology
- Clinical Psychology
- Neuroscience
Background:
- Processing biases, even preconscious ones, are linked to anxiety disorders.
- The modified Stroop task reveals attentional biases, particularly in Generalised Anxiety Disorder patients.
- Previous research suggests trait anxiety correlates with processing bias in non-patient samples.
Purpose of the Study:
- To investigate if preconscious processing bias is related to anxiety itself.
- To determine if this bias occurs in specific phobias, like spider phobia.
- To examine the impact of behavior therapy on preconscious processing bias.
Main Methods:
- Utilized a modified Stroop task with masked and unmasked stimuli.
- Assessed 37 individuals with spider phobia, measuring phobic complaint intensity.
- Evaluated processing bias before and after behavior therapy.
Main Results:
- Phobic complaint intensity significantly correlated with processing bias on both masked and unmasked Stroop tasks.
- Preconscious processing bias did not show association with treatment gains.
- Interference on both masked and unmasked Stroop tasks decreased post-treatment.
Conclusions:
- Preconscious processing bias is associated with the intensity of spider phobic complaints.
- Behavior therapy appears to influence preconscious processing biases, reducing Stroop task interference.
- Further research with control groups is needed to confirm therapy's direct impact.