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Showing 1 to 12 of 30 entries
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ITI-Signals and Prelimbic Cortex Facilitate Avoidance Acquisition and Reduce Avoidance Latencies, Respectively, in Male WKY Rats.

Frontiers in behavioral neuroscience

Beck KD, Jiao X, Smith IM, Myers CE, Pang KC, Servatius RJ.
PMID: 25484860
Front Behav Neurosci. 2014 Nov 21;8:403. doi: 10.3389/fnbeh.2014.00403. eCollection 2014.

As a model of anxiety disorder vulnerability, male Wistar-Kyoto (WKY) rats acquire lever-press avoidance behavior more readily than outbred Sprague-Dawley rats, and their acquisition is enhanced by the presence of a discrete signal presented during the inter-trial intervals (ITIs),...

Stress-Related Mental Health Symptoms in Coast Guard: Incidence, Vulnerability, and Neurocognitive Performance.

Frontiers in psychology

Servatius RJ, Handy JD, Doria MJ, Myers CE, Marx CE, Lipsky R, Ko N, Avcu P, Wright WG, Tsao JW.
PMID: 28959220
Front Psychol. 2017 Sep 14;8:1513. doi: 10.3389/fpsyg.2017.01513. eCollection 2017.

U.S. Coast Guard (CG) personnel face occupational stressors (e.g., search and rescue) which compound daily life stressors encountered by civilians. However, the degree CG personnel express stress-related mental health symptoms of posttraumatic stress disorder (PTSD) and major depressive disorder...

Respiratory and Cardiovascular Response during Electronic Control Device Exposure in Law Enforcement Trainees.

Frontiers in physiology

Vanmeenen KM, Lavietes MH, Cherniack NS, Bergen MT, Teichman R, Servatius RJ.
PMID: 23616772
Front Physiol. 2013 Apr 18;4:78. doi: 10.3389/fphys.2013.00078. eCollection 2013.

OBJECTIVE: Law enforcement represents a large population of workers who may be exposed to electronic control devices (ECDs). Little is known about the potential effect of exposure to these devices on respiration or cardiovascular response during current discharge.METHODS: Participants...

Age and Sex Specific Prevalence of Clinical and Screen-Detected Atrial Fibrillation in Hospitalized Patients.

Journal of clinical medicine

Roten L, Goulouti E, Lam A, Elchinova E, Nozica N, Spirito A, Wittmer S, Branca M, Servatius H, Noti F, Seiler J, Baldinger SH, Haeberlin A, de Marchi S, Asatryan B, Rodondi N, Donzé J, Aujesky D, Tanner H, Reichlin T, Jüni P.
PMID: 34768391
J Clin Med. 2021 Oct 22;10(21). doi: 10.3390/jcm10214871.

BACKGROUND: The prevalence of atrial fibrillation (AF) is high in older patients. The present study aimed to estimate the age and sex specific prevalence of clinical and screen-detected atrial fibrillation (AF) in hospitalized patients.METHODS: The STAR-FIB cohort study was...

Brain and Serum Androsterone Is Elevated in Response to Stress in Rats with Mild Traumatic Brain Injury.

Frontiers in neuroscience

Servatius RJ, Marx CE, Sinha S, Avcu P, Kilts JD, Naylor JC, Pang KC.
PMID: 27616978
Front Neurosci. 2016 Aug 26;10:379. doi: 10.3389/fnins.2016.00379. eCollection 2016.

Exposure to lateral fluid percussion (LFP) injury consistent with mild traumatic brain injury (mTBI) persistently attenuates acoustic startle responses (ASRs) in rats. Here, we examined whether the experience of head trauma affects stress reactivity. Male Sprague-Dawley rats were matched...

Sex-Related Differences in Cardiac Channelopathies: Implications for Clinical Practice.

Circulation

Asatryan B, Yee L, Ben-Haim Y, Dobner S, Servatius H, Roten L, Tanner H, Crotti L, Skinner JR, Remme CA, Chevalier P, Medeiros-Domingo A, Behr ER, Reichlin T, Odening KE, Krahn AD.
PMID: 33587657
Circulation. 2021 Feb 16;143(7):739-752. doi: 10.1161/CIRCULATIONAHA.120.048250. Epub 2021 Feb 15.

Sex-related differences in prevalence, clinical presentation, and outcome of cardiac channelopathies are increasingly recognized, despite their autosomal transmission and hence equal genetic predisposition among sexes. In congenital long-QT syndrome, adult women carry a greater risk for Torsades de pointes...

Avoidance prone individuals self reporting behavioral inhibition exhibit facilitated acquisition and altered extinction of conditioned eyeblinks with partial reinforcement schedules.

Frontiers in behavioral neuroscience

Allen MT, Myers CE, Servatius RJ.
PMID: 25339877
Front Behav Neurosci. 2014 Oct 06;8:347. doi: 10.3389/fnbeh.2014.00347. eCollection 2014.

Avoidance in the face of novel situations or uncertainty is a prime feature of behavioral inhibition which has been put forth as a risk factor for the development of anxiety disorders. Recent work has found that behaviorally inhibited (BI)...

Anchored boundary conditions for locally isostatic networks.

Physical review. E, Statistical, nonlinear, and soft matter physics

Theran L, Nixon A, Ross E, Sadjadi M, Servatius B, Thorpe MF.
PMID: 26651815
Phys Rev E Stat Nonlin Soft Matter Phys. 2015 Nov;92(5):053306. doi: 10.1103/PhysRevE.92.053306. Epub 2015 Nov 30.

Finite pieces of locally isostatic networks have a large number of floppy modes because of missing constraints at the surface. Here we show that by imposing suitable boundary conditions at the surface the network can be rendered effectively isostatic....

Effects of psychotropic agents on extinction of lever-press avoidance in a rat model of anxiety vulnerability.

Frontiers in behavioral neuroscience

Jiao X, Beck KD, Stewart AL, Smith IM, Myers CE, Servatius RJ, Pang KC.
PMID: 25309372
Front Behav Neurosci. 2014 Sep 15;8:322. doi: 10.3389/fnbeh.2014.00322. eCollection 2014.

Avoidance and its perseveration represent key features of anxiety disorders. Both pharmacological and behavioral approaches (i.e., anxiolytics and extinction therapy) have been utilized to modulate avoidance behavior in patients. However, the outcome has not always been desirable. Part of...

Acquisition and extinction of human avoidance behavior: attenuating effect of safety signals and associations with anxiety vulnerabilities.

Frontiers in behavioral neuroscience

Sheynin J, Beck KD, Servatius RJ, Myers CE.
PMID: 25309373
Front Behav Neurosci. 2014 Sep 15;8:323. doi: 10.3389/fnbeh.2014.00323. eCollection 2014.

While avoidance behavior is often an adaptive strategy, exaggerated avoidance can be detrimental and result in the development of psychopathologies, such as anxiety disorders. A large animal literature shows that the acquisition and extinction of avoidance behavior in rodents...

Cardiorespiratory Response to Moderate Hypercapnia in Female College Students Expressing Behaviorally Inhibited Temperament.

Frontiers in neuroscience

Martino PF, Miller DP, Miller JR, Allen MT, Cook-Snyder DR, Handy JD, Servatius RJ.
PMID: 33281546
Front Neurosci. 2020 Nov 13;14:588813. doi: 10.3389/fnins.2020.588813. eCollection 2020.

Behaviorally inhibited (BI) temperament is marked by heightened behavioral sensitivity to environmental threats. The degree to which threat sensitivity is reflected in cardiorespiratory responses has been relatively unexplored. Female college students were exposed to modest hypercapnia (7.0% CO

Predator odor exposure facilitates acquisition of a leverpress avoidance response in rats.

Neuropsychiatric disease and treatment

Brennan FX, Beck KD, Servatius RJ.
PMID: 19412447
Neuropsychiatr Dis Treat. 2006 Mar;2(1):65-9.

We have previously reported that prior exposure to inescapable tailshock stress increased avoidance responding 24 hours later. We argued previously that this might model the avoidance behavior characteristic of post-traumatic stress disorder (PTSD). The current experiment was conducted to...

Showing 1 to 12 of 30 entries