Sustained attention as a potential endophenotype for bipolar disorder
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2010
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WILEY
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Ancín, I., Santos, J. L., Teijeira, C., Sánchez‐Morla, E. M., Bescós, M. J., Argudo, I., Torrijos, S., Vázquez‐Álvarez, B., De La Vega, I., López‐Ibor, J. J., Barabash, A., & Cabranes‐Díaz, J. A. (2010). Sustained attention as a potential endophenotype for bipolar disorder. Acta Psychiatrica Scandinavica, 122(3), 235-245. https://doi.org/10.1111/j.1600-0447.2009.01532.x
Abstract
Objective: Nowadays, it is accepted that to identify the biological basis of psychiatric illnesses it would be useful to deconstruct them into the
most basic manifestations, such as cognitive deficits. The aim of this study was to set attention deficit as a stable vulnerability marker of
bipolar disorder.
Method: Sustained attention was evaluated by the Continuous Performance Test (DS-CPT) in 143 euthymic bipolar patients and 105 controls. To estimate the influence of clinical profile in attention, patients completed a semi-structured interview.
Results: Bipolar patients showed a deficit in attention during euthymic periods. This disturbance correlated with years of evolution, age of onset and age of first hospitalisation; and was not influenced by otherclinical data.
Conclusion: Sustained attention may be considered as an endophenotype of the illness.