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Updated: Sep 22, 2025

Assessment of Stress Effects on Cognitive Flexibility using an Operant Strategy Shifting Paradigm
Published on: May 4, 2020
[Stress, asthenia and cognitive disorders]
E E Vasenina1, O A Gankina1, O S Levin1
1Russian Medical Academy of Continuous Professional Education, Moscow, Russia.
Abstract:
Asthenia is a clinical syndrome that nearly any somatic and neurological pathologies can manifest with. Being is essence a defense mechanism that signals the depletion of energy resources, asthenia can become a pathological, extremely disabling condition, and even transform into a nosology of its own - the chronic fatigue syndrome, an immune-mediated disease. Besides, asthenia is often combined with affective and cognitive disorders, which facilitates difficulties in the establishing of the primary diagnosis. In this article we examine the complicated weave of asthenia, chronic fatigue syndrome, cognitive, and affective disorders.
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