نتایج جستجو برای: information processing speed

تعداد نتایج: 1696819  

Information opacity leads to information asymmetry. In this situation, in providing their own financial needs, firms face limitations and inevitably provide their financial needs from the debt market by signalling private information to it. In addition, information opacity affects the leverage adjustment speed. This research investigates the effect of information opacity on deviation from targe...

Journal: :Psychophysiology 2016
Joshua D Cosman Jason T Arita Julianna D Ianni Geoffrey F Woodman

The temporal relationship between different stages of cognitive processing is long debated. This debate is ongoing, primarily because it is often difficult to measure the time course of multiple cognitive processes simultaneously. We employed a manipulation that allowed us to isolate ERP components related to perceptual processing, working memory, and response preparation, and then examined the...

Arezou Eshaghabadi, Hamid Reza Moradi, Sajad Sahab Negah, Zabihollah Khaksar,

Neuroimaging findings have proposed that some brain regions including the precuneus, posterior cingulate, and medial prefrontal cortex play an essential role of a structural core in the brain. Network organization endures rapid alterations in development with changes in axonal synaptic connectivity, white matter volume, and the thickness of corresponding cortical regions. Structural maturation ...

Journal: :Psychological medicine 2002
G Tsourtos J C Thompson C Stough

BACKGROUND Slowing of the speed of information processing has been reported in geriatric depression, but it is not clear if the impairment is present in younger patients, if motor retardation is responsible, or if antidepressant medications play a role. METHOD Twenty unmedicated unipolar depressed inpatients were compared with 19 medicated depressed in-patients and 20 age-, sex- and verbal IQ...

Journal: :Journal of neurology, neurosurgery, and psychiatry 2005
M S A Deloire E Salort M Bonnet Y Arimone M Boudineau H Amieva B Barroso J-C Ouallet C Pachai E Galliaud K G Petry V Dousset C Fabrigoule B Brochet

OBJECTIVES To establish the frequency of cognitive impairment in a population based sample of patients with recently diagnosed relapsing-remitting multiple sclerosis (RRMS), and to determine the relation between cognitive abnormalities and the extent of macroscopic and microscopic tissue damage revealed by magnetic resonance imaging (MRI) and magnetisation transfer (MT) imaging. METHODS 58 pa...

Journal: :journal of paramedical sciences 0
maryam mojiri radiology department, paramedical school, hamadan university of medical science, hamadan karim ghazi khanloo sani radiology department, paramedical school, hamadan university of medical science, hamadan abbas moghim beigi department of biostatistics and epidemiology, research center for health sciences, hamadan university of medical science, hamadan

the aim of this study is to compare the sensitometric properties of commonly used radiographic films processed with chemical solutions in different workload hospitals. the effect of different processing conditions on induced densities on radiologic films was investigated. two accessible double emulsions fuji and kodak films were exposed with 11-step wedge and processed with champion and cpac pr...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2008
Adam Gazzaley Wesley Clapp Jon Kelley Kevin McEvoy Robert T Knight Mark D'Esposito

In this study, electroencephalography (EEG) was used to examine the relationship between two leading hypotheses of cognitive aging, the inhibitory deficit and the processing speed hypothesis. We show that older adults exhibit a selective deficit in suppressing task-irrelevant information during visual working memory encoding, but only in the early stages of visual processing. Thus, the employme...

Journal: :caspian journal of neurological sciences 0
fatemeh husseini depatment of exercise physiology, faculty of physical education & sport sciences, university of guilan, rasht, iran arsalan damirchi depatment of exercise physiology, faculty of physical education & sport sciences, university of guilan, rasht, iran parvin babaei neuroscience research center, depatment of physiology, school of medicine, guilan univercity of medical sciences, rasht, iran; [email protected]

background: cognitive impairment profoundly influences on older adults’ activities and quality of life. therefore, optimizing and remediating age-associated cognitive decline have great importance. objectives: to evaluate the effect of 8 weeks (3 day /week) computer based brain training on cognitive performance in old women with mild cognitive impairment (mci). materials and methods: this rando...

2007
George S Oreku Jianzhong Li Tamara Pazynyuk Fredrick J. Mtenzi

The block cipher GOST was proposed in former Soviet Union in 1989. In this paper we present the principal algorithm of GOST block with reduced number of rounds. By introducing the idea reduced round version of GOST the modules speed processing of using a set of differential characteristics, we can simply increase the effectiveness and estimate the efficient for cryptosystem. We describe GOST an...

ژورنال: اعتیاد پژوهی 2020

Objective: The aim of this study was to examine the roles of sensory processing sensitivity and information processing styles in predicting clinical symptoms in drug-dependent individuals. Method: The current study was correlational-descriptive. The statistical population included all drug-dependent individuals referred to addiction treatment centers in Tabriz. Among them, 290 people were selec...

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