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. Author manuscript; available in PMC: 2011 Nov 15.
Published in final edited form as: Biol Psychiatry. 2010 May 26;68(10):942–949. doi: 10.1016/j.biopsych.2010.04.019

Figure 1. Correlation between change in sleep efficiency and change in motor speed.

Figure 1

Decreased sleep efficiency (%) across Visits 1 and 2 in IFN-alpha-treated and control patients was significantly associated with decreased motor speed as reflected by increased movement time (measured in milliseconds) on the choice movement component of the reaction time task of the Cambridge Neuropsychological Test Automated Battery (r=−0.42, N=25, p=0.034).