Fig. 3: Neuropsychological assessment.

A battery of neurocognitive tests were perfomed at day 0, 22 and 90 of the study for participants of Plasma Exchange (Turquoise) and placebo arms (red) to evaluate cognitive status, including Neu Screen (a) Semantic Fluency test (b) Memory Failures in Everyday questionnaire (c) and Hospital Anxiety and Depression Score (d).