Linking Spatial Working Memory, Affective Disorders, & Mild Current Depression

Research Paper Title

[Disorders of spatial working memory in affective disorders with mild current depression and their neurophysiological correlates].

Background

To assess spatial working memory disorders in patients with mild depressive disorders and determine their neurophysiological correlates.

Methods

Thirty patients (right-handed) with ICD-10 diagnosis Mood Disorders (F31.3, F32.0, F33.0, F34.1), aged 37±8 years, were examined before treatment. A control group included 30 mentally and somatically healthy individuals (32±7 years old). The study of spatial working memory was carried out using the Corsi Block-Tapping test. EEG was recorded and the values of the spectral power of theta, alpha and beta rhythms were analysed.

Results and Conclusions

A decrease in the level of working memory that was correlated with higher values of theta rhythm power in the frontal and occipital regions and alpha rhythm in the frontal cortex was observed in affective disorders with mild depressive symptoms.

Reference

Galkin, S.A., Peshkovskaya, A.G., Simutkin, G.G., Vasil’eva, S.N., Roshchina, O.V., Ivanova, S.A. & Bokhan, N.A. (2019) [Disorders of spatial working memory in affective disorders with mild current depression and their neurophysiological correlates]. (in Russian). Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova. 119(10):56-61. doi: 10.17116/jnevro201911910156.

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