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Comparing Sensory Information Processing and Alexithymia between People with Substance Dependency and Normal
Sajjad Bashapoor1, Seyyedeh Tayebeh Hosseini-Kiasari2, Somayeh Daneshvar2
1Associate Professor, Faculty Member, Department of Psychology, School of Education Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran.
Substance-dependent individuals exhibit distinct sensory processing patterns and heightened alexithymia, characterized by difficulties in identifying and describing emotions. These findings highlight differences in how these individuals perceive and regulate sensory information compared to the general population.
Area of Science:
- Neuroscience
- Psychology
- Behavioral Science
Background:
- Sensory information processing and alexithymia significantly influence behavioral reactions.
- Previous research suggests a link between sensory processing, alexithymia, and substance abuse tendencies.
Purpose of the Study:
- To compare sensory information processing styles and alexithymia levels between individuals with substance dependence and a control group.
- To investigate potential differences in the perception and emotional processing of substance-dependent individuals.
Main Methods:
- A cross-sectional study involving 78 substance-dependent men and 36 controls from Iran.
- Participants were assessed using the Toronto Alexithymia Scale (TAS) and the Adult Sensory Profile.
- Data were analyzed using multivariate analysis of variance (MANOVA).
Main Results:
- Substance-dependent individuals showed significant differences in low registration, sensation seeking, and sensory avoidance.
- They also exhibited greater difficulty in describing and identifying emotions compared to controls.
- No significant differences were found in sensory sensitivity or external-oriented thinking.
Conclusions:
- Substance-dependent individuals process sensory information differently than non-dependent individuals.
- Heightened alexithymia features, including emotional identification and description difficulties, are more prevalent in substance-dependent populations.
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