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Auditory concussion

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https://www.readbyqxmd.com/read/29132071/reliability-of-clinically-feasible-dual-task-tests-expanded-timed-get-up-and-go-test-as-a-motor-task-on-young-healthy-individuals
#1
Kaori Tamura, Morgan Kocher, Liana Finer, Nathan Murata, Christopher Stickley
Dual-Task testing has been reported to have a higher sensitivity to deficits associated with concussion; however, the feasibility as a clinical or field test is questionable due to the requirements of laboratory-based equipment. With an overarching goal of exploration of clinically feasible Dual-Task testing options, the specific aims of this study were 1) to evaluate the reliability of Dual-Task testing methods using the Expanded Timed Get-Up-and-Go (ETGUG) paired with Backward Digit Recall (BDR), Serial Seven (SS), and Auditory Pure Switch Task (APST), and 2) to determine the effects of Dual-Task testing on motor and cognitive performance in healthy college-aged individuals...
November 6, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28499856/measuring-soldier-performance-during-the-patrol-exertion-multitask-preliminary-validation-of-a-post-concussive-functional-return-to-duty-metric
#2
Matthew Scherer, Margaret M Weightman, Mary Vining Radomski, Laurel Smith, Marsha Finkelstein, Amy Cecchini, Kristin Jensen Heaton, Karen McCulloch
OBJECTIVE: To assess the discriminant validity of the Patrol-Exertion Multitask (PEMT), a novel, multi-domain, functional return-to-duty clinical assessment for Active Duty military personnel. DESIGN: Measurement development study SETTING: Non-clinical indoor testing facility, Fort Bragg NC PARTICIPANTS: 51 healthy control (HC) Service Members and 33 military personnel with persistent post-concussive symptoms receiving rehabilitation (mTBI) INTERVENTION: Not applicable MAIN OUTCOME MEASURES: Known-groups discriminant validity was evaluated by comparing performance on the PEMT in two groups of Active Duty SM, HC and personnel with mTBI residual symptoms...
May 9, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28298054/long-term-effects-of-adolescent-sport-concussion-across-the-age-spectrum
#3
Douglas N Martini, James T Eckner, Sean K Meehan, Steven P Broglio
BACKGROUND: Research in sport concussion has increased greatly over the previous decade due to increased scientific interest as well as the media and political spotlight that has been cast on this injury. However, a dearth of literature is available regarding the long-term (>1 year after concussion) effects of adolescent concussion on cognitive and motor performance of high school athletes. PURPOSE: To evaluate the potential for long-term effects of concussion sustained during high school on cognitive and motor performance across the lifespan...
May 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28005070/auditory-biological-marker-of-concussion-in-children
#4
Nina Kraus, Elaine C Thompson, Jennifer Krizman, Katherine Cook, Travis White-Schwoch, Cynthia R LaBella
Concussions carry devastating potential for cognitive, neurologic, and socio-emotional disease, but no objective test reliably identifies a concussion and its severity. A variety of neurological insults compromise sound processing, particularly in complex listening environments that place high demands on brain processing. The frequency-following response captures the high computational demands of sound processing with extreme granularity and reliably reveals individual differences. We hypothesize that concussions disrupt these auditory processes, and that the frequency-following response indicates concussion occurrence and severity...
December 22, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27286176/investigating-a-novel-measure-of-brain-networking-following-sports-concussion
#5
S P Broglio, A Rettmann, J Greer, S Brimacombe, B Moore, N Narisetty, X He, J Eckner
Clinicians managing sports-related concussions are left to their clinical judgment in making diagnoses and return-to-play decisions. This study was designed to evaluate the utility of a novel measure of functional brain networking for concussion management. 24 athletes with acutely diagnosed concussion and 21 control participants were evaluated in a research laboratory. At each of the 4 post-injury time points, participants completed the Axon assessment of neurocognitive function, a self-report symptom inventory, and the auditory oddball and go/no-go tasks while electroencephalogram (EEG) readings were recorded...
August 2016: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/27245767/stability-of-an-erp-based-measure-of-brain-network-activation-bna-in-athletes-a-new-electrophysiological-assessment-tool-for-concussion
#6
James T Eckner, Ashley Rettmann, Naveen Narisetty, Jacob Greer, Brandon Moore, Susan Brimacombe, Xuming He, Steven P Broglio
PRIMARY OBJECTIVE: To determine test-re-test reliabilities of novel Evoked Response Potential (ERP)-based Brain Network Activation (BNA) scores in healthy athletes. RESEARCH DESIGN: Observational, repeated-measures study. METHODS AND DESIGN: Forty-two healthy male and female high school and collegiate athletes completed auditory oddball and go/no-go ERP assessments at baseline, 1 week, 6 weeks and 1 year. The BNA algorithm was applied to the ERP data, considering electrode location, frequency band, peak latency and normalized amplitude to generate seven unique BNA scores for each testing session...
2016: Brain Injury: [BI]
https://www.readbyqxmd.com/read/27242415/developing-brain-vital-signs-initial-framework-for-monitoring-brain-function-changes-over-time
#7
Sujoy Ghosh Hajra, Careesa C Liu, Xiaowei Song, Shaun Fickling, Luke E Liu, Gabriela Pawlowski, Janelle K Jorgensen, Aynsley M Smith, Michal Schnaider-Beeri, Rudi Van Den Broek, Rowena Rizzotti, Kirk Fisher, Ryan C N D'Arcy
Clinical assessment of brain function relies heavily on indirect behavior-based tests. Unfortunately, behavior-based assessments are subjective and therefore susceptible to several confounding factors. Event-related brain potentials (ERPs), derived from electroencephalography (EEG), are often used to provide objective, physiological measures of brain function. Historically, ERPs have been characterized extensively within research settings, with limited but growing clinical applications. Over the past 20 years, we have developed clinical ERP applications for the evaluation of functional status following serious injury and/or disease...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27092730/labyrinthine-concussion-following-gunshot-injury-a-case-report
#8
Jamie M Bogle, David Barrs, Matthew Wester, Laurie Davis, Michael J Cevette
OBJECTIVE: Labyrinthine concussion due to a postauricular gunshot wound has not been well reported. DESIGN: Retrospective chart review. STUDY SAMPLE: We describe an otherwise healthy 22-year-old male who received a gunshot wound to the left mastoid and subsequently reported hearing loss and rotational vertigo. RESULTS: Audiometric testing demonstrated significant inverted scoop shaped sensorineural hearing loss. Vestibular diagnostic testing indicated a significant uncompensated left peripheral vestibulopathy...
July 2015: International Journal of Audiology
https://www.readbyqxmd.com/read/27025905/long-term-effects-of-concussion-on-electrophysiological-indices-of-attention-in-varsity-college-athletes-an-event-related-potential-and-standardized-low-resolution-brain-electromagnetic-tomography-approach
#9
Patrick S Ledwidge, Dennis L Molfese
This study investigated the effects of a past concussion on electrophysiological indices of attention in college athletes. Forty-four varsity football athletes (22 with at least one past concussion) participated in three neuropsychological tests and a two-tone auditory oddball task while undergoing high-density event-related potential (ERP) recording. Athletes previously diagnosed with a concussion experienced their most recent injury approximately 4 years before testing. Previously concussed and control athletes performed equivalently on three neuropsychological tests...
December 1, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/26999459/executive-function-deficits-in-team-sport-athletes-with-a-history-of-concussion-revealed-by-a-visual-auditory-dual-task-paradigm
#10
Anthony Tapper, Dave Gonzalez, Eric Roy, Ewa Niechwiej-Szwedo
The purpose of this study was to examine executive functions in team sport athletes with and without a history of concussion. Executive functions comprise many cognitive processes including, working memory, attention and multi-tasking. Past research has shown that concussions cause difficulties in vestibular-visual and vestibular-auditory dual-tasking, however, visual-auditory tasks have been examined rarely. Twenty-nine intercollegiate varsity ice hockey athletes (age = 19.13, SD = 1.56; 15 females) performed an experimental dual-task paradigm that required simultaneously processing visual and auditory information...
February 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/26684070/increased-brain-activation-during-working-memory-processing-after-pediatric-mild-traumatic-brain-injury-mtbi
#11
Daniel R Westfall, John D West, Jessica N Bailey, Todd W Arnold, Patrick A Kersey, Andrew J Saykin, Brenna C McDonald
PURPOSE: The neural substrate of post-concussive symptoms following the initial injury period after mild traumatic brain injury (mTBI) in pediatric populations remains poorly elucidated. This study examined neuropsychological, behavioral, and brain functioning in adolescents post-mTBI to assess whether persistent differences were detectable up to a year post-injury. METHODS: Nineteen adolescents on average 7.5 months post-mTBI completed neuropsychological testing and an fMRI auditory-verbal N-back working memory task...
2015: Journal of Pediatric Rehabilitation Medicine
https://www.readbyqxmd.com/read/26493161/a-functional-magnetic-resonance-imaging-study-of-cognitive-control-and-neurosensory-deficits-in-mild-traumatic-brain-injury
#12
Andrew R Mayer, Faith M Hanlon, Andrew B Dodd, Josef M Ling, Stefan D Klimaj, Timothy B Meier
Mild traumatic brain injury patients (mTBI) frequently report symptoms of increased distractability and sensory disturbances during mutisensory stimulation. These common post-concussive symptoms could putatively result from dysfunction within the cognitive control network (CCN; top-down) or from unisensory cortex (bottom-up) itself. Functional magnetic resonance imaging (fMRI) and high-resolution structural data were therefore prospectively collected during a multisensory (audio-visual) cognitive control task from 46 mTBI patients within 3 weeks of injury and 46 matched healthy controls (HC), with a subset of participants returning at 4 months...
November 2015: Human Brain Mapping
https://www.readbyqxmd.com/read/26326753/working-memory-deficits-in-dynamic-sport-athletes-with-a-history-of-concussion-revealed-by-a-visual-auditory-dual-task-paradigm
#13
Anthony Tapper, Ewa Niechwiej-Szwedo, David Gonzalez, Eric Roy
Processing and integrating multiple sensory inputs simultaneously plays a vital role in an athlete's ability to plan and execute appropriate actions in dynamic environments. Previous research has shown that concussions affect an athlete's processing capacity and ability to process multiple sensory inputs simultaneously. Few studies to date have considered the impact of previous concussions on information processing of visual and auditory input. It is important to understand information processing capacity in dynamic sports because athletes must divide their attention between visual and auditory stimuli and hold that information in memory to guide actions...
2015: Journal of Vision
https://www.readbyqxmd.com/read/26326364/the-bdnf-val66met-polymorphism-is-associated-with-improved-performance-on-a-visual-auditory-working-memory-task-in-varsity-athletes
#14
Ewa Niechwiej-Szwedo, David Gonzalez, Anthony Tapper, Emily Mardian, Eric Roy, Robin Duncan
Cognitive functions are often impacted by concussions and neurocognitive tests are used to assess the recovery process. However, these tests lack sensitivity in tracking the recovery process, which may depend on genetic polymorphisms. Brain derived neurotrophic factor (BDNF) is an important nerve growth factor linked with development and neural plasticity. The Val66Met (rs6265) polymorphism has been associated with reduced activity-dependent BDNF secretion, indicating reduced plasticity and greater stability of cortical networks...
2015: Journal of Vision
https://www.readbyqxmd.com/read/25436891/impaired-practice-effects-following-mild-traumatic-brain-injury-an-event-related-potential-investigation
#15
Jeffrey M Rogers, Allison M Fox, James Donnelly
BACKGROUND: The negative effects of mild traumatic brain injury (mTBI) on attention are well established. Effects of practice on neuropsychological test performance have also been long recognized and more recently linked to electrophysiological indices of information processing. OBJECTIVE: The current study examined the behavioural and electrophysiological impact of mTBI on consistent practice of a neuropsychological test of attention. RESEARCH DESIGN: Prospective cohort study...
2015: Brain Injury: [BI]
https://www.readbyqxmd.com/read/25235096/degraded-temporal-processing-after-traumatic-brain-injury
#16
Eric Hoover, Pamela E Souza, Frederick J Gallun
Hearing complaints are common following traumatic brain injury (TBI) even in the absence of peripheral auditory impairment. Study goals were to explore the mechanisms which underlie this complaint. Adult listeners with a history of mild TBI or concussion were compared to young and age-matched controls. All listeners had normal or near-normal audiometric thresholds. Listeners with TBI reported difficulty understanding speech in noise. We hypothesized that hearing complaints after TBI are related to damage to neural pathways resulting in degraded temporal resolution...
April 2014: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/24801275/does-a-standardised-exercise-protocol-incorporating-a-cognitive-task-provoke-postconcussion-like-symptoms-in-healthy-individuals
#17
RANDOMIZED CONTROLLED TRIAL
Hopin Lee, S John Sullivan, Anthony G Schneiders
OBJECTIVES: To explore whether an exercise protocol, alone and in combination with two selected cognitive tasks related to working memory, provokes postconcussion-like symptoms in healthy individuals. DESIGN: Prospective single cohort semi-randomised crossover repeated measures (time×condition) design. METHODS: 36 healthy individuals completed three submaximal exercise protocol conditions, namely: exercise alone, exercise with the paced auditory serial addition task, and exercise with Tetris...
May 2015: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/24571930/the-effects-of-visual-distracter-complexity-on-auditory-evoked-p3b-in-contact-sports-athletes
#18
Matthew J Wilson, Ashley W Harkrider, Kristin A King
"Classic" P3b auditory oddball paradigms are insensitive to subtle deficits. An auditory oddball paradigm paired with visual distracters was used to compare football players with history of concussion, football players without history of concussion, and non-contact sport athletes. As hypothesized, increasing complexity of, and attention to, visual distracters reduced P3b amplitude. P3b amplitudes from non-contact athletes were larger than those from football players; however, players with and without a history of concussion were not significantly different...
2014: Developmental Neuropsychology
https://www.readbyqxmd.com/read/24531643/the-effect-of-cognitive-task-complexity-on-gait-stability-in-adolescents-following-concussion
#19
David R Howell, Louis R Osternig, Michael C Koester, Li-Shan Chou
Concussion has been reported to result in disturbances to motor and cognitive functions. One way to examine these disturbances is through a dual-task assessment. Many secondary cognitive tasks have been proposed as appropriate tools during concussion assessment; however, task complexity has not been compared within a dual-task investigation. The purpose of this study was to prospectively examine how gait balance control was affected by three secondary cognitive tasks of varying complexity following concussion...
June 2014: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/24161227/intratympanic-hemorrhage-and-concussion-in-a-football-offensive-lineman
#20
Kevin N Waninger, Brian M Gloyeske, John M Hauth, Keith A Vanic, David M Yen
BACKGROUND: A 26-year-old arena football lineman participating in a "bull in the ring" blocking and tackling drill was blindsided by an opposing teammate. He sustained a direct helmet-to-helmet blow to the right temporal area. OBJECTIVES: This case describes a unique mechanism of ear barotrauma (intratympanic hemorrhage) and concussion caused by helmet-to-helmet contact in American football. CASE REPORT: Initial sideline evaluation revealed mild headache, confusion, dizziness, photophobia, and tinnitus, all consistent with a concussion diagnosis...
March 2014: Journal of Emergency Medicine
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