نتایج جستجو برای: mental task

تعداد نتایج: 537854  

2008
Thierry Morineau Emmanuel Frenod Caroline Blanche Laurence Tobin

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Introduction: Regarding the neurofeedback training process, previous studies indicate that 10%-50% of subjects cannot gain control over their brain activity even after repeated training sessions. This study is conducted to overcome this problem by investigating inter-individual differences in neurofeedback learning to propose some predictors for the trainability of subjects. Methods: Eight hea...

Journal: :International journal of occupational safety and ergonomics : JOSE 2002
Sukhvinder Singh Fereydoun Aghazadeh Thomas G Ray

The objective of the research was to determine the effect of mental load on the physical capacity of an individual. An experiment involving 9 combinations of lifting tasks, 1 lowering task, and 3 treadmill tasks was conducted. Heart rate was measured and maximum acceptable weight of lift was determined using the psychophysical method. A simple multiplication task was used as the mental load. Th...

2014
Emily Mendenhall Mary J. De Silva Charlotte Hanlon Inge Petersen Rahul Shidhaye Mark Jordans Nagendra Luitel Joshua Ssebunnya Abebaw Fekadu Vikram Patel Mark Tomlinson Crick Lund

Three-quarters of the global mental health burden exists in low- and middle-income countries (LMICs), yet the lack of mental health services in resource-poor settings is striking. Task-sharing (also, task-shifting), where mental health care is provided by non-specialists, has been proposed to improve access to mental health care in LMICs. This multi-site qualitative study investigates the accep...

Journal: :Psychophysiology 2015
Jesper F Hopstaken Dimitri van der Linden Arnold B Bakker Michiel A J Kompier

Mental fatigue is often characterized by reduced motivation for effortful activity and impaired task performance. We used subjective, behavioral (performance), and psychophysiological (P3, pupil diameter) measures during an n-back task to investigate the link between mental fatigue and task disengagement. After 2 h, we manipulated the rewards to examine a possible reengagement effect. Analyses ...

Journal: :Neuropsychologia 2004
Philippe Azouvi Josette Couillet Michel Leclercq Yves Martin Sybille Asloun Marc Rousseaux

The aim of this study was to assess dual-task performance in TBI patients, under different experimental conditions, with or without explicit emphasis on one of two tasks. Results were compared with measurement of the subjective mental effort required to perform each task. Forty-three severe TBI patients at the subacute or chronic phase performed two tasks under single- and dual-task conditions:...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه زنجان - دانشکده ادبیات و علوم انسانی 1392

abstract the present study investigated the effects of task types and involvement load hypothesis on incidental learning of 10 target words (tws) in junior high schools (jhss) in givi, ardabil. the tasks deployed in this study were two input-based tasks (reading plus dictionary use with an involvement index of 3, and reading plus gap-fill task with an involvement index of 2), and one output-ba...

Journal: :Human factors 1999
Herbert A. Colle Gary B. Reid

The accomplishment model of average mental workload--a formal axiomatic measurement theory--was used as a basis for developing and testing secondary task indices of mental workload (H. A. Colle & G. B. Reid, 1997). Its cancellation axiom implies global sensitivity, which is an important theoretical and practical criterion for mental workload indices. Performance levels of different secondary ta...

2016
Jesper F. Hopstaken Tim Geers Jesper Franciscus Hopstaken J. W. van Strien

Mental fatigue is often characterized by reduced motivation for effortful activity and impaired task performance. We used subjective, behavioral (performance), and psychophysiological (P3, pupil diameter) measures during an n-back task to investigate the link between mental fatigue and task disengagement. After two hours we manipulated the rewards to examine a possible reengagement effect. Anal...

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