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Articles 1 - 9 of 9
Full-Text Articles in Cognitive Psychology
The Combination Of Cooling Techniques In A Tropical Environment Improves Precision Performance In Young International Fencers, Aurélie Collado, Nicolas Robin, Stéphane Sinnapah, Elisabeth Rosnet, Olivier Hue, Guillaume R. Coudevylle
The Combination Of Cooling Techniques In A Tropical Environment Improves Precision Performance In Young International Fencers, Aurélie Collado, Nicolas Robin, Stéphane Sinnapah, Elisabeth Rosnet, Olivier Hue, Guillaume R. Coudevylle
Journal of Human Performance in Extreme Environments
The performance of intense exercise in a tropical climate is associated with limited exercise capacity due to thermal strain. This limitation is exacerbated in sports requiring full protective equipment. Research evidence suggests disturbances in cognitive function due to thermal discomfort and/or protective equipment (e.g., helmets), and thus sports that require skills in decision-making, fast reaction times, precision, and/or inhibition can be greatly affected. The objective of this study was to investigate the effects of countermeasures on the psychological and physiological responses in young international fencers wearing full protective equipment during an ecological fencing task. Nine young international fencers performed an …
Using An Approach-Avoidance Framework To Understand The Relationship Between Non-Lethal Weapons And Performance, Andrew J. Mojica, Christopher P. Bartak, Joseph N. Mitchell, Alan Ashworth
Using An Approach-Avoidance Framework To Understand The Relationship Between Non-Lethal Weapons And Performance, Andrew J. Mojica, Christopher P. Bartak, Joseph N. Mitchell, Alan Ashworth
Journal of Human Performance in Extreme Environments
It is proposed that performance degradation from exposure to non-lethal technology is mediated by impulsive and reflective approachavoidance motivation. An approach-avoidance motivational framework was used to specify a four-stage information processing model that predicts performance degradation. The first stage is Evaluation: it processes physiological, sensory, perceptual, and cognitive information. The second stage is Comparison: it processes the content of the Evaluation into avoidance and approach motivational indices. The third stage is Probability: it processes information from previous stages into a probability of choosing to continue or abandon goal-directed behavior. Finally, the fourth stage is Performance: it processes performance accuracy on …
Rim-To-Rim Wearables At The Canyon For Health (R2r Watch): Physiological, Cognitive, And Biological Markers Of Performance Decline In An Extreme Environment, Kristin Divis, Robert Abbott, Cathy Branda, Glory Emmanuel-Aviña, Jon Femling, J. Gabriel Huerta, Lucie Jelinková, J. Kyle Jennings, Emily A. Pearce, Daniel Ries, Danielle Sanchez, Austin Silva
Rim-To-Rim Wearables At The Canyon For Health (R2r Watch): Physiological, Cognitive, And Biological Markers Of Performance Decline In An Extreme Environment, Kristin Divis, Robert Abbott, Cathy Branda, Glory Emmanuel-Aviña, Jon Femling, J. Gabriel Huerta, Lucie Jelinková, J. Kyle Jennings, Emily A. Pearce, Daniel Ries, Danielle Sanchez, Austin Silva
Journal of Human Performance in Extreme Environments
Success in extreme environments comes with a cost of subtle performance decrements that if not mitigated properly can lead to lifethreatening consequences. Identification and prediction of performance decline could alleviate deleterious consequences and enhance success in challenging and high-risk operations. The Rim-to-Rim Wearables at the Canyon for Health (R2R WATCH) project was designed to examine the cognitive, physiological, and biological markers of performance decline in the extreme environment of the Grand Canyon Rim-to-Rim (R2R) hike. The study utilized commercial off-the-shelf cognitive and physiological monitoring techniques, along with subjective self-assessments and hematologic measurements to determine subject performance and changes across the …
Cognitive Offloading Strategies And Decrements In Learning: Lessons From Aviation And Aerospace Crises, D. Christopher Kayes, Jeewhan Yoon
Cognitive Offloading Strategies And Decrements In Learning: Lessons From Aviation And Aerospace Crises, D. Christopher Kayes, Jeewhan Yoon
Journal of Human Performance in Extreme Environments
Examples from aviation and aerospace illustrate the potential consequences that emerge when organizations replace learning from experience with technology, a process referred to as a cognitive offloading strategy (COS). Examples include the Air France Flight 447 crash involving an Airbus 330-203 and the Lion Air Flight 610 crash involving a Boeing 737 Max. From the perspective of human performance in extreme environments, COS represents an underexplored source of organizational vulnerability which presents a particular challenge for learning in organizations. Decrements in learning result from COS because COS creates gaps in procedural knowledge and deprives operators of opportunities to learn in …
A Review Of The Effects Of Dietary Restriction, Dehydration, And Caffeine Withdrawal On Cognition: Implications For A Disabled Submarine Scenario, Sarah Chabal
Journal of Human Performance in Extreme Environments
In the event that submariners become trapped aboard a disabled submarine (DISSUB), they must perform a multitude of cognitively demanding tasks in order to maximize their likelihood of survival. During this time, submariners will also be forced to endure poor living conditions, including drastic changes to their nutrition. These nutritional changes have the potential to impair submariners’ cognitive functioning and affect operational performance, which could jeopardize survival; however, the effects of DISSUB nutrition on cognitive performance are not well understood. This review first describes the unique nutritional conditions that submariners will experience in a DISSUB scenario, including the change to …
The Influence Of Tropical Climate On Cognitive Task Performance And Aiming Accuracy In Young International Fencers, Nicolas Robin, Aurelie Collado, Stephane Sinnapah, Elisabeth Rosnet, Olivier Hue, Guillaume R. Coudevylle
The Influence Of Tropical Climate On Cognitive Task Performance And Aiming Accuracy In Young International Fencers, Nicolas Robin, Aurelie Collado, Stephane Sinnapah, Elisabeth Rosnet, Olivier Hue, Guillaume R. Coudevylle
Journal of Human Performance in Extreme Environments
This study examined how a tropical climate (TC) influences the cognitive and aiming task performances of young international fencers. The participants performed the tasks in TC and an air-conditioned room. In each session, they completed questionnaires evaluating affective states, fatigue, and comfort and thermal sensations. They also carried out cognitive tasks (simple and choice reaction time, attention, and vigilance tasks) and a motor task testing aiming accuracy with a sword while wearing protective clothing and a mask. TC, which was observed to decrease thermal discomfort, was revealed to decrease aiming accuracy and positive affective states. There was no deleterious effect …
Impact Of Tropical Climate On Selective Attention And Affect, Guillaume R. Coudevylle, Maria Popa-Roch, Stéphane Sinnapah, Olivier Hue, Nicolas Robin
Impact Of Tropical Climate On Selective Attention And Affect, Guillaume R. Coudevylle, Maria Popa-Roch, Stéphane Sinnapah, Olivier Hue, Nicolas Robin
Journal of Human Performance in Extreme Environments
Heat has an impact on several aspects of human cognition but the effects of the tropical climate (i.e., hot and wet) have rarely been explored. The purpose of this study was to determine whether selective attention and affect are negatively impacted by the tropical climate. The study followed a within-participants design: participants responded to an affective scale (PANAS) and performed an attention task (d2 Test) in two experimental climate conditions (tropical vs. neutral) with a one-week interval between sessions. The results indicated that they had lower positive affect and selective attention in the tropical climate than in the neutral climate. …
Physiological And Cognitive Factors Related To Human Performance During The Grand Canyon Rim-To-Rim Hike, Kristin Divis, Clifford Anderson-Bergman, Robert Abbott, Victoria Newton, Glory Emmanuel-Aviña
Physiological And Cognitive Factors Related To Human Performance During The Grand Canyon Rim-To-Rim Hike, Kristin Divis, Clifford Anderson-Bergman, Robert Abbott, Victoria Newton, Glory Emmanuel-Aviña
Journal of Human Performance in Extreme Environments
Exposure to extreme environments is both mentally and physically taxing, leading to suboptimal performance and even life-threatening emergencies. Physiological and cognitive monitoring could provide the earliest indicator of performance decline and inform appropriate therapeutic intervention, yet little research has explored the relationship between these markers in strenuous settings. The Rim-to-Rim Wearables at the Canyon for Health (R2RWATCH) study is a research project at Sandia National Laboratories funded by the Defense Threat Reduction Agency to identify which physiological and cognitive phenomena collected by non-invasive wearable devices are the most related to performance in extreme environments. In a pilot study, data were …
Measure Athletes’ Volition—Short: Evidences For Construct Validity And Reliability, Ioannis Proios, Miltiadis Proios
Measure Athletes’ Volition—Short: Evidences For Construct Validity And Reliability, Ioannis Proios, Miltiadis Proios
Journal of Human Performance in Extreme Environments
The Measure Athletes’ Volition consists of 23 items that measure six elements of volitional competences. The purpose of the present study was to examine whether a subset of these items could form a short version of the scale; to provide evidence for the structural validity and internal consistency of the short version; and to test validity issues of the new scale. A total of 831 individuals from three different samples completed the long version of the scale. Results indicated that the short version consisted of 15 items that measured volitional competences of persistence, expediency, and purposefulness. This scale had acceptable …