Long-term attenuated electrophysiological response to errors following multiple sports concussions. 2013

Louis De Beaumont, and Maude Beauchemin, and Christelle Beaulieu, and Pierre Jolicoeur
Département de Psychologie, Université du Québec à Trois Rivières, Trois Rivières, QC G9A 5H7, Canada. Louis.Debeaumont@uqtr.ca

This study extracted the error-related negativity (ERN) waveform component recorded from a visual-spatial attention and a visual short-term memory task to assess rigorously the long-term and cumulative effects of concussions on evaluative processes of cognitive control related to performance monitoring. This study demonstrates that, relative to control athletes, multiply concussed athletes show significant ERN amplitude reduction elicited by error generation. These cumulative effects of concussions on ERN amplitude were found in two distinct experimental paradigms designed to solicit concussion-sensitive cognitive abilities such as attention and short-term memory. This suggests that the mechanisms that contribute to the evaluation of cognitive performance may be significantly affected following multiple concussions even in low-conflict situations.

UI MeSH Term Description Entries
D008297 Male Males
D008570 Memory, Short-Term Remembrance of information for a few seconds to hours. Immediate Recall,Memory, Immediate,Working Memory,Memory, Shortterm,Immediate Memories,Immediate Memory,Immediate Recalls,Memories, Immediate,Memories, Short-Term,Memories, Shortterm,Memory, Short Term,Recall, Immediate,Recalls, Immediate,Short-Term Memories,Short-Term Memory,Shortterm Memories,Shortterm Memory,Working Memories
D009949 Orientation Awareness of oneself in relation to time, place and person. Cognitive Orientation,Mental Orientation,Psychological Orientation,Cognitive Orientations,Mental Orientations,Orientation, Cognitive,Orientation, Mental,Orientation, Psychological,Orientations,Orientations, Cognitive,Orientations, Mental,Orientations, Psychological,Psychological Orientations
D010364 Pattern Recognition, Visual Mental process to visually perceive a critical number of facts (the pattern), such as characters, shapes, displays, or designs. Recognition, Visual Pattern,Visual Pattern Recognition
D012016 Reference Values The range or frequency distribution of a measurement in a population (of organisms, organs or things) that has not been selected for the presence of disease or abnormality. Normal Range,Normal Values,Reference Ranges,Normal Ranges,Normal Value,Range, Normal,Range, Reference,Ranges, Normal,Ranges, Reference,Reference Range,Reference Value,Value, Normal,Value, Reference,Values, Normal,Values, Reference
D001924 Brain Concussion A nonspecific term used to describe transient alterations or loss of consciousness following closed head injuries. The duration of UNCONSCIOUSNESS generally lasts a few seconds, but may persist for several hours. Concussions may be classified as mild, intermediate, and severe. Prolonged periods of unconsciousness (often defined as greater than 6 hours in duration) may be referred to as post-traumatic coma (COMA, POST-HEAD INJURY). (From Rowland, Merritt's Textbook of Neurology, 9th ed, p418) Cerebral Concussion,Commotio Cerebri,Concussion, Intermediate,Concussion, Mild,Concussion, Severe,Mild Traumatic Brain Injury,Brain Concussions,Cerebral Concussions,Concussion, Brain,Concussion, Cerebral,Intermediate Concussion,Intermediate Concussions,Mild Concussion,Mild Concussions,Severe Concussion,Severe Concussions
D001931 Brain Mapping Imaging techniques used to colocalize sites of brain functions or physiological activity with brain structures. Brain Electrical Activity Mapping,Functional Cerebral Localization,Topographic Brain Mapping,Brain Mapping, Topographic,Functional Cerebral Localizations,Mapping, Brain,Mapping, Topographic Brain
D002540 Cerebral Cortex The thin layer of GRAY MATTER on the surface of the CEREBRAL HEMISPHERES that develops from the TELENCEPHALON and folds into gyri and sulci. It reaches its highest development in humans and is responsible for intellectual faculties and higher mental functions. Allocortex,Archipallium,Cortex Cerebri,Cortical Plate,Paleocortex,Periallocortex,Allocortices,Archipalliums,Cerebral Cortices,Cortex Cerebrus,Cortex, Cerebral,Cortical Plates,Paleocortices,Periallocortices,Plate, Cortical
D003118 Color Perception Mental processing of chromatic signals (COLOR VISION) from the eye by the VISUAL CORTEX where they are converted into symbolic representations. Color perception involves numerous neurons, and is influenced not only by the distribution of wavelengths from the viewed object, but also by its background color and brightness contrast at its boundary. Color Perceptions,Perception, Color,Perceptions, Color
D003265 Contingent Negative Variation A negative shift of the cortical electrical potentials that increases over time. It is associated with an anticipated response to an expected stimulus and is an electrical event indicative of a state of readiness or expectancy. Bereitschaftspotential,Readiness Potential,Bereitschaftspotentials,Contingent Negative Variations,Potential, Readiness,Potentials, Readiness,Readiness Potentials,Variation, Contingent Negative,Variations, Contingent Negative

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