cogstate

The effect of histidine on mental fatigue and cognitive performance in subjects with high fatigue and sleep disruption scores

Authors: Ikuko Sasahara, Naoko Fujimura, Yoshizu Nozawa, Yasufumi Furuhata, Hitoshi Sato

Journal: Physiology & Behavior

Year Published: 2015

Our previous study reported that a dried bonito broth known in Japan as ‘dashi’ improved or ameliorated mood states, including fatigue, during the daily lives of human subjects. Histidine is an amino acid that is present […]

An Open Study of Sulforaphane-rich Broccoli Sprout Extract in Patients with Schizophrenia

Authors: Akihiro Shiina, Nobuhisa Kanahara, Tsuyoshi Sasaki, Yasunori Oda, Tasuku Hashimoto, Tadashi Hasegawa, Taisuke Yoshida, Masaomi Iyo, Kenji Hashimoto

Journal: Clinical Psychopharmacology and Neuroscience

Year Published: 2015

Objective: Schizophrenia is a mental disorder characterized by severe cognitive impairment. Accumulating evidence suggests a role for oxidative stress in the pathophysiology of schizophrenia. Sulforaphane (SFN) extracted from broccoli sprout is an agent with potent anti-oxidant […]

Practice effects associated with the repeated assessment of cognitive function using the CogState battery at 10-minute, one week and one month test-retest intervals

Authors: Marina G Falleti, Paul Maruff, Alexander Collie, David G Darby

Journal: Journal of Clinical and Experimental Neuropsychology

Year Published: 2006

There are many situations in which cognitive tests need to be administered on more than two occasions and at very brief test-retest intervals to detect change in group performance. However, previous literature has not specifically addressed […]

Validity of a brief computerized cognitive screening test in dementia

Authors: Dustin Hammers, Elizabeth Spurgeon, Kelly Ryan, Carol Persad, Nancy Barbas, Judith Heidebrink, David Darby, Bruno Giordani

Journal: Journal of Geriatric Psychiatry and Neurology

Year Published: 2012

Background: While preliminary evidence supports the criterion validity of the CogState computerized brief battery in mild cognitive impairment (MCI) and Alzheimer disease (AD), definitive validation studies examining a wider range of dementia-related disorders relative to conventional […]

Qualitative similarities in cognitive impairment associated with 24 h of sustained wakefulness and a blood alcohol concentration of 0.05%

Authors: Marina G Falleti, Paul Maruff, Alexander Collie, David G Darby, Michael McStephen

Journal: Journal of Sleep Research

Year Published: 2003

Previous studies that have quantified fatigue-related cognitive impairment as blood alcohol concentration (BAC) equivalents have been limited by two issues: the effect of practice on tests of cognition and, more importantly, the statistic used to quantify […]

1 5 6 7 8

Back to Publications