Objectives: To investigate the severity of cognitive dysfunction and sleep quality impairment in patientswith middle cerebral artery (MCA) strokes across the left and right hemisphere. Moreover, it also studygender differences with respect to MCA strokes.Methods: The study was conducted from February 2019 - May 2019 at COMSATS University, Islamabad. Atotal sample size of N=55 middle cerebral artery ischemic infarct patients was selected with N=29 leftmiddle cerebral artery ischemic infarct patients and N=26 right middle cerebral artery ischemic infarctpatients. The sample was assessed on The Neurocognitive Assessment Battery for stroke patients (N-CABS)& The Pittsburgh Sleep Quality Index-Urdu (PSQI-U).Results: The mean age of the sample was 50.96 years. There was a significant difference among scoresof cognitive dysfunction between Left MCA (M=47.28, SD=12.87) and Right MCA stroke patients (M=29.7,S=21.41), t (53) =-6.80, p0.001. Similarly, there was significant difference among scores of sleep disturbancebetween Left MCA (M=6.90, SD=2.93) and Right MCA (M=10.35, SD=3.97), t (53) =-3.68, p0.001. Gendercomparisons reveal that there is no significant difference between males and females for both, cognitivedysfunction and sleep quality impairment.Conclusions: Cognitive dysfunction and sleep quality impairment due to MCA strokes is significant betweenleft and right hemispheres respectively, regardless of gender, assessed with N-CABS and PSQI-U. Furtherstudies are required to analyse other demographic correlates related to MCA strokes.
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