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Alexithymia and the split brain. II. Sentential-level content analysis.

W D TenHouten, K D Hoppe, J E Bogen

    Psychotherapy and Psychosomatics
    |January 1, 1985
    PubMed
    Summary
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    Commissurotomy patients exhibit higher alexithymia levels, a difficulty in identifying and describing emotions. This study examined alexithymia in patients with split brains, finding significant differences compared to controls.

    Area of Science:

    • Neuroscience
    • Psychology
    • Psychiatry

    Background:

    • Alexithymia, characterized by difficulties in emotional processing, has been previously observed in patients with commissurotomy.
    • The Hoppe-Bogen finding suggested a link between alexithymia and commissurotomy, necessitating further investigation.

    Purpose of the Study:

    • To examine alexithymia in patients who have undergone commissurotomy.
    • To compare alexithymia levels between commissurotomy patients and matched normal controls.

    Main Methods:

    • Utilized 6 sentential-level items from the Beth Israel 'Psychosomatic Questionnaire' to assess alexithymia.
    • Subjects (8 commissurotomy patients and 8 controls) viewed a 3-min film about death.
    • Content analysis of spoken and written responses was performed, followed by factor analysis.

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    Main Results:

    • Directional support for alexithymia was found across all assessed items.
    • Statistically significant differences in group means were observed for 2 items.
    • Factor analysis revealed a single factor solution, confirming the alexithymic traits.

    Conclusions:

    • Commissurotomy patients demonstrated significantly higher levels of alexithymia compared to normal controls.
    • The findings replicate and support previous research on alexithymia in split-brain patients.
    • This study reinforces the association between commissurotomy and alexithymic characteristics.