David O Keyser
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Explore the profile of David O Keyser including associated specialties, affiliations and a list of published articles.
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10
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90
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Recent Articles
1.
Howard C, Yamada M, Dovel M, Leverett R, Hill A, Manlapaz K, et al.
Sensors (Basel)
. 2024 Nov;
24(21).
PMID: 39517961
Subconcussive blast exposure has been shown to alter neurological functioning. However, the extent to which neurological dysfunction persists after blast exposure is unknown. This longitudinal study examined the potential short-...
2.
Roy M, Keyser D, Rowe S, Hernandez R, Dovel M, Romero H, et al.
BMC Med Res Methodol
. 2022 Dec;
22(1):317.
PMID: 36513998
Background: Subconcussive blast exposure during military training has been the subject of both anecdotal concerns and reports in the medical literature, but prior studies have often been small and have...
3.
Alternative Devices for Heart Rate Variability Measures: A Comparative Test-Retest Reliability Study
Killian J, Radin R, Gardner C, Kasuske L, Bashirelahi K, Nathan D, et al.
Behav Sci (Basel)
. 2021 Jun;
11(5).
PMID: 34063229
Using healthy adult participants, seven measures of heart rate variability were obtained simultaneously from four devices in five behavioral conditions. Two devices were ECG-based and two utilized photoplethysmography. The 140...
4.
Wang C, Costanzo M, Rapp P, Darmon D, Nathan D, Bashirelahi K, et al.
Front Neurol
. 2017 Nov;
8:571.
PMID: 29163337
Mild traumatic brain injury (mTBI) has been firmly associated with disrupted white matter integrity due to induced white matter damage and degeneration. However, comparatively less is known about the changes...
5.
Wang C, Costanzo M, Rapp P, Darmon D, Bashirelahi K, Nathan D, et al.
Front Psychiatry
. 2017 May;
8:71.
PMID: 28555113
The objective of this research project is the identification of a physiological prodrome of post-traumatic stress disorder (PTSD) that has a reliability that could justify preemptive treatment in the sub-syndromal...
6.
Rapp P, Keyser D, Albano A, Hernandez R, Gibson D, Zambon R, et al.
Front Hum Neurosci
. 2015 Feb;
9:11.
PMID: 25698950
Measuring neuronal activity with electrophysiological methods may be useful in detecting neurological dysfunctions, such as mild traumatic brain injury (mTBI). This approach may be particularly valuable for rapid detection in...
7.
Rapp P, Keyser D, Gilpin A
J Neurotrauma
. 2015 Jan;
32(16):1281-6.
PMID: 25588122
A sequential process for comparison testing of noninvasive neuroassessment devices is presented. Comparison testing of devices in a clinical population should be preceded by computational research and reliability testing with...
8.
Rapp P, Cellucci C, Keyser D, Gilpin A, Darmon D
Front Neurol
. 2013 Dec;
4:177.
PMID: 24312072
The identification and longitudinal assessment of traumatic brain injury presents several challenges. Because these injuries can have subtle effects, efforts to find quantitative physiological measures that can be used to...
9.
Rapp P, Rosenberg B, Keyser D, Nathan D, Toruno K, Cellucci C, et al.
Front Neurol
. 2013 Jul;
4:91.
PMID: 23885250
Psychophysiological investigations of traumatic brain injury (TBI) are being conducted for several reasons, including the objective of learning more about the underlying physiological mechanisms of the pathological processes that can...
10.
Chavko M, Nadi N, Keyser D
Neurochem Res
. 2003 Jan;
27(12):1649-53.
PMID: 12515318
Previous studies have demonstrated that exposure to convulsive doses of hyperbaric oxygen (HBO) increases sensitivity to seizures in re-exposures. Because brain derived neurotrophic factor (BDNF) is induced after a variety...