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Low performance in attention testing is associated with reduced grey matter density of the left inferior frontal gyrus in euthyroid patients with Hashimoto's thyroiditis.
Leyhe, Thomas; Ethofer, Thomas; Bretscher, Johannes; Künle, Andreas; Säuberlich, Anna-Laura; Klein, Reinhild; Gallwitz, Baptist; Häring, Hans-Ulrich; Fallgatter, Andreas; Klingberg, Stefan; Saur, Ralf; Müssig, Karsten.
Afiliação
  • Leyhe T; Department of Psychiatry and Psychotherapy, University Hospital of Tübingen, Germany. thomas.leyhe@med.uni-tuebingen.de
Brain Behav Immun ; 27(1): 33-7, 2013 Jan.
Article em En | MEDLINE | ID: mdl-23010451
Hashimoto's thyroiditis (HT) can casually co-occur with an encephalopathy associated with autoimmune thyroid disease. Recently we found an increased occurrence of weaknesses in sustained attention and response inhibition in a subgroup of euthyroid patients with HT as obtained by the d2 attention test. Previous studies in healthy subjects and patients with brain lesions demonstrated a pivotal role for the left inferior frontal gyrus (LIFG) in these skills. Therefore, we studied the association between the performance in the d2 test and grey matter (GM) density of the LIFG in 13 euthyroid patients with HT compared to a control group of 12 euthyroid patients with other thyroid diseases. A significant correlation between GM density and d2 test total score was detected for the opercular part of the LIFG in patients with HT (p<0.001), but not in the control group (p=0.94). Regression in patients with HT was significantly stronger than in the control group (p=0.02). Moreover, GM density was significantly reduced when comparing HT patients with control patients that scored in the lower third during d2 attention testing (p<0.05). It can be concluded that in HT performance in the d2 test correlated with GM density of the LIFG. Particularly low achievement was associated with reduced GM density of this brain region suggesting an influence of autoimmune processes on the frontal cortex in this disease. This could be due to not yet known antibodies affecting brain morphology or an influence of thyroid antibodies themselves.
Assuntos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Atenção / Fibras Nervosas Amielínicas / Doença de Hashimoto / Lobo Frontal / Transtornos Mentais Tipo de estudo: Diagnostic_studies / Observational_studies / Risk_factors_studies Limite: Adult / Female / Humans / Male / Middle aged Idioma: En Revista: Brain Behav Immun Assunto da revista: ALERGIA E IMUNOLOGIA / CEREBRO / PSICOFISIOLOGIA Ano de publicação: 2013 Tipo de documento: Article País de afiliação: Alemanha

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Atenção / Fibras Nervosas Amielínicas / Doença de Hashimoto / Lobo Frontal / Transtornos Mentais Tipo de estudo: Diagnostic_studies / Observational_studies / Risk_factors_studies Limite: Adult / Female / Humans / Male / Middle aged Idioma: En Revista: Brain Behav Immun Assunto da revista: ALERGIA E IMUNOLOGIA / CEREBRO / PSICOFISIOLOGIA Ano de publicação: 2013 Tipo de documento: Article País de afiliação: Alemanha