Search Results - "Purcell, David W"

Adaptive control of vowel formant frequency: Evidence from real-time formant manipulation by Purcell, David W., Munhall, Kevin G.

“…Auditory feedback during speech production is known to play a role in speech sound acquisition and is also important for the maintenance of accurate…”
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Sound level context modulates neural activity in the human brainstem by Herrmann, Björn, Yasmin, Sonia, Araz, Kurdo, Purcell, David W., Johnsrude, Ingrid S.

“…Optimal perception requires adaptation to sounds in the environment. Adaptation involves representing the acoustic stimulation history in neural response…”
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Perturbing the consistency of auditory feedback in speech by Nault, Daniel R., Mitsuya, Takashi, Purcell, David W., Munhall, Kevin G.

“…Sensory information, including auditory feedback, is used by talkers to maintain fluent speech articulation. Current models of speech motor control posit that…”
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Compensation following real-time manipulation of formants in isolated vowels by Purcell, David W., Munhall, Kevin G.

“…Auditory feedback influences human speech production, as demonstrated by studies using rapid pitch and loudness changes. Feedback has also been investigated…”
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Pediatric Responses to Fundamental and Formant Frequency Altered Auditory Feedback: A Scoping Review by Coughler, Caitlin, Quinn de Launay, Keelia L, Purcell, David W, Oram Cardy, Janis, Beal, Deryk S

“…The ability to hear ourselves speak has been shown to play an important role in the development and maintenance of fluent and coherent speech. Despite this,…”
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Probing the independence of formant control using altered auditory feedback by MacDonald, Ewen N., Purcell, David W., Munhall, Kevin G.

“…Two auditory feedback perturbation experiments were conducted to examine the nature of control of the first two formants in vowels. In the first experiment,…”
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Optimal allocation of HIV prevention funds for state health departments by Yaylali, Emine, Farnham, Paul G, Cohen, Stacy, Purcell, David W, Hauck, Heather, Sansom, Stephanie L

“…To estimate the optimal allocation of Centers for Disease Control and Prevention (CDC) HIV prevention funds for health departments in 52 jurisdictions,…”
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A cross-language study of compensation in response to real-time formant perturbation by Mitsuya, Takashi, MacDonald, Ewen N., Purcell, David W., Munhall, Kevin G.

“…Past studies have shown that when formants are perturbed in real time, speakers spontaneously compensate for the perturbation by changing their formant…”
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Meta-Analysis of Cognitive-Behavioral Interventions on HIV-Positive Persons' Mental Health and Immune Functioning by Crepaz, Nicole, Passin, Warren F, Herbst, Jeffrey H, Rama, Sima M, Malow, Robert M, Purcell, David W, Wolitski, Richard J

“…Objective: To evaluate the efficacy of cognitive-behavioral interventions (CBIs) for improving the mental health and immune functioning of people living with…”
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Forty Years of HIV: The Intersection of Laws, Stigma, and Sexual Behavior and Identity by Purcell, David W

“…Forty years after the Centers for Disease Control and Prevention's (CDC's)June 1981 Morbidity and Mortality Weekly Report about five gay men with a syndrome…”
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HIV Screening in the Health Care Setting: Status, Barriers, and Potential Solutions by Rizza, Stacey A., MD, MacGowan, Robin J., MPH, Purcell, David W., JD, PhD, Branson, Bernard M., MD, Temesgen, Zelalem, MD

“…Abstract Thirty years into the human immunodeficiency virus (HIV) epidemic in the United States, an estimated 50,000 persons become infected each year: highest…”
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An intervention to reduce HIV risk behavior of substance-using men who have sex with men: a two-group randomized trial with a nonrandomized third group by Mansergh, Gordon, Koblin, Beryl A, McKirnan, David J, Hudson, Sharon M, Flores, Stephen A, Wiegand, Ryan E, Purcell, David W, Colfax, Grant N

“…Substance use during sex is associated with sexual risk behavior among men who have sex with men (MSM), and MSM continue to be the group at highest risk for…”
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Swipe Right: Dating Website and App Use Among Men Who Have Sex With Men by Badal, Hannah J., Stryker, Jo Ellen, DeLuca, Nickolas, Purcell, David W.

“…This study explored the frequency of dating website and app usage among MSM to understand sub-group differences in use. Web-based survey data ( N  = 3105) were…”
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Estimating national rates of HIV infection among MSM, persons who inject drugs, and heterosexuals in the United States by Crepaz, Nicole, Hess, Kristen L, Purcell, David W, Hall, H Irene

“…BACKGROUND:Calculating national rates of HIV diagnosis, incidence, and prevalence can quantify disease burden, and is important for planning and evaluating…”
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Influence of the stimulus presentation rate on medial olivocochlear system assays by Boothalingam, Sriram, Purcell, David W

“…Click evoked otoacoustic emissions (CEOAEs) are commonly used both in research and clinics to assay the medial olivocochlear system (MOC). Clicks presented at…”
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A Review of the Literature on Event-Level Substance Use and Sexual Risk Behavior Among Men Who Have Sex with Men by Vosburgh, H. Waverly, Mansergh, Gordon, Sullivan, Patrick S., Purcell, David W.

“…In the United States, there continues to be high incidence of HIV infection among men who have sex with men (MSM), who represent 57% of new infections in 2009…”
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Effect of Internet-Distributed HIV Self-tests on HIV Diagnosis and Behavioral Outcomes in Men Who Have Sex With Men: A Randomized Clinical Trial by MacGowan, Robin J, Chavez, Pollyanna R, Borkowf, Craig B, Owen, S Michele, Purcell, David W, Mermin, Jonathan H, Sullivan, Patrick S

“…Undiagnosed HIV infection results in delayed access to treatment and increased transmission. Self-tests for HIV may increase awareness of infection among men…”
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Enhanced Federal Collaborations in Implementation Science and Research of HIV Prevention and Treatment by Purcell, David W., Namkung Lee, Ann, Dempsey, Antigone, Gordon, Christopher

“…Over the past decade, national initiatives in the United States (U.S.) have focused HIV prevention and care programs and research to optimize the delivery of…”
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Quantifying the Harms and Benefits from Serosorting Among HIV-Negative Gay and Bisexual Men: A Systematic Review and Meta-analysis by Purcell, David W., Higa, Darrel, Mizuno, Yuko, Lyles, Cynthia

“…We conducted a systematic review and meta-analysis of the association between serosorting and HIV infection among HIV-negative men who have sex with men (MSM)…”
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Phase‐locked responses to the vowel envelope vary in scalp‐recorded amplitude due to across‐frequency response interactions by Easwar, Vijayalakshmi, Banyard, Ashlee, Aiken, Steven J., Purcell, David W.

“…Neural encoding of the envelope of sounds like vowels is essential to access temporal information useful for speech recognition. Subcortical responses to…”
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