نتایج جستجو برای: information processing speed

تعداد نتایج: 1696819  

2001
DOUGLAS A. BORS BERT FORRIN

On three occasions, 63 adults, ranging in age from 26 to 80 years, all in good health, were tested with three speed of information-processing paradigms (the Stemberg, the Posner, and the Hick), two long-term free-recall tasks, and, as a measure of fluid intelligence, the Raven Advanced Progressive Matrices (RAPM) test. Whereas within-condition latencies for the three of the information-processi...

Journal: :The international journal of neuropsychopharmacology 2002
Ben J Harrison James S Olver Trevor R Norman Pradeep J Nathan

Visual inspection time (IT) is a measure of information-processing speed, which correlates reliably with psychometric intelligence. Pharmacological research into IT indicates that manipulation of the cholinergic system modulates performance on the IT task, however the contribution of other neurotransmitters to this modality remains unclear. This study was designed to examine the effects of low ...

Journal: :CoRR 2013
Benjamin Russell Susan Stepney

We use a specific geometric method to determine speed limits to the implementation of quantum gates in controlled quantum systems that have a specific class of constrained control functions. We achieve this by applying a recent theorem of Shen, which provides a connection between time optimal navigation on Riemannian manifolds and the geodesics of a certain Finsler metric of Randers type. We us...

Journal: :Schizophrenia bulletin 1981
D L Braff

There is increasing evidence that schizophrenia is associated with an attentional or information processing deficit or both. These "early deficit" theories challenge the position that schizophrenia is primarily a disorder of thinking and higher cognitive operations. A tachistoscopic backward masking task was applied in matched groups of 20 schizophrenic, 20 schizotypal, and 20 depressive psychi...

2012
Troy A. W. Visser Jeneva L. Ohan

BACKGROUND When observers are asked to identify two targets in rapid sequence, they often suffer profound performance deficits for the second target, even when the spatial location of the targets is known. This attentional blink (AB) is usually attributed to the time required to process a previous target, implying that a link should exist between individual differences in information processing...

2013
Mohammad Khanahmadi Maryam Malmir Hosein Eskandari Tahereh Orang

BACKGROUND Depression disorders are associated with serious dysfunction and depressive symptoms. Cognitive slowing is a clear symptom observed in all depressed people. PVSAT is a measure of cognitive function that specifically assesses visual information processing speed and flexibility, as well as calculation ability. The aim of the present study was to determine whether the Paced Visual Seria...

Journal: :journal of research in medical sciences 0
seyed ahmad reza khatoonabadi department of speech-therapy, faculty of rehabilitation, tehran university of medical sciences, tehran, iran vahid shaygan nejad department of neurology, faculty of medicine, neurosciences research center, isfahan university of medical sciences, isfahan, iran hushang dadgar department of speech-therapy, faculty of rehabilitation, tehran university of medical sciences, tehran, iran fereshteh ashtari department of neurology, faculty of medicine, neurosciences research center, isfahan university of medical sciences, isfahan, iran majid ghasemi department of neurology, faculty of medicine, neurosciences research center, isfahan university of medical sciences, isfahan, iran

background: multiple sclerosis (ms) is a common inflammatory - degenerative disease of myelin sheet of central nervous system that affects more young people. these patients show some degrees of cognition problems such as memory and processing disorders. the aim of this study was to evaluate the speed processing ability by word finding assessment in three categories include fruits, animals and o...

Amin Karkon Hamid Golnari Mohammad Hadi Khorashadi Zadeh

This study aimed to investigate the impact of information technology on the quality of accounting information was made in 2014. A survey of 425 executives of listed companies in Tehran Stock Exchange, using the Cochran formula simple random sampling method, 84 managers of these companies as the sample size was considered. Methods of data collection based on questionnaire information technology ...

Over the past few years, many organizations have come to believe that the brand of their products and services is one of their most valuable assets. Therefore, it must be said that the brand is an asset that has a significant part of the value of the property of institutions and organizations. In this research, the building brand equity (BBE) from the customer's perspective and brand market per...

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