Comparative effect of coffee robusta and coffee arabica (Qahwa) on memory and attention

作者: Waheeb D. M. Alharbi , Aisha Azmat , Muhammad Ahmed

DOI: 10.1007/S11011-018-0230-6

关键词: CognitionCognitive testWorking memoryToxicologyGroup iiAnalysis of varianceBiologyBeneficial effectsStroop effect

摘要: The comparative effects of coffee robusta and arabica (Qahwa) on different attention memory related assignments were measured in a double-blind study 300 healthy young adult women who randomly assigned to one three drinks: Group I (coffee sachet dissolved 100 ml hot water): II arabica): group III (100 ml water only). Cognitive function was assessed by standardized tests. Several monitoring cognitive tests tasks specifically chosen performed investigate the (CR) (Qahwa; AC) sleepiness (sleep clear headed scale), (trail A & B, symbol digit, letter cancellation), general ability (stroop test) (card test). Data interpreted analysis variance (ANOVA). present revealed that has beneficial attention, memory. Higher though non-significant scores associated with consumption. Although, consumption significant (P < 0.05) sleepiness, it significantly improve reaction time correct responses. Since sustained working processes, results would suggest (qahwa) could increase efficiency attentional system might be due presence chlorogenic acids (CGA) which are found less quantity robusta. However, more studies using larger samples necessary better understand

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