Frederick R. Snyder

ORCID: 0000-0002-6867-4613
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About
Contact & Profiles
Research Areas
  • Sleep and Wakefulness Research
  • Sleep and related disorders
  • Global Cancer Incidence and Screening
  • Colorectal Cancer Screening and Detection
  • Circadian rhythm and melatonin
  • Smoking Behavior and Cessation
  • Diet and metabolism studies
  • Olfactory and Sensory Function Studies
  • Neuroscience and Neuropharmacology Research
  • Nicotinic Acetylcholine Receptors Study
  • HIV/AIDS Research and Interventions
  • HIV Research and Treatment
  • Restless Legs Syndrome Research
  • Neuroscience of respiration and sleep
  • Memory and Neural Mechanisms
  • Patient-Provider Communication in Healthcare
  • Health Policy Implementation Science
  • Adrenal Hormones and Disorders
  • Cytomegalovirus and herpesvirus research
  • Herpesvirus Infections and Treatments
  • Hydrogen's biological and therapeutic effects
  • Pharmacological Receptor Mechanisms and Effects
  • Innovative Teaching and Learning Methods
  • Ethics in Clinical Research
  • Travel-related health issues

Nova Research Company (United States)
2011-2021

John Wiley & Sons (United States)
2016

Northwest Portland Area Indian Health Board
2014

Research Triangle Park Foundation
1994

National Institute on Drug Abuse
1986-1993

National Institutes of Health
1964-1990

Johns Hopkins University
1987

University of Dayton
1982-1985

Memorial Hospital
1978

Navajo Language Academy
1975

Twelve subjects were studied for a total of 30 nights uninterrupted sleep by simultaneous recording EEG, eye movements, heart rate, respiration, and systolic blood pressure. In agreement with previous reports, progressive decreases in respiratory rates an early fall followed sustained rise pressure found to be consistent base-line trends. Superimposed upon these trends coinciding the regular recurrence stage I rapid movements (REM) there periodic changes three functions two kinds: a) slight...

10.1152/jappl.1964.19.3.417 article EN Journal of Applied Physiology 1964-05-01

Plasma growth hormone (GH) was measured during sleep in 12 normal volunteers of various ages and 6 patients with acromegaly. Four the over 50 yr age failed to show a sleep-peak GH. The presence or absence GH normals not consistently related occurrence slow-wave sleep. None acromegalics showed usual peak early

10.1210/jcem-34-6-1102 article EN The Journal of Clinical Endocrinology & Metabolism 1972-06-01

Seven patients with intractable narcolepsy were treated the monoamine oxidase inhibitor, phenelzine. Striking reductions in amount of cataplectic attacks, sleep paralysis and hypnagogic hallucinations noted. In addition, daytime sleeping hypersomnia diminished, but side effects (hypotension, edema, impaired sexual function) bothersome. Phenelzine almost completely suppressed rapid-eye-movement remained effective for periods more than a year. Although dreams frequently reported before drug...

10.1056/nejm197110282851802 article EN New England Journal of Medicine 1971-10-28

Sleep patterns were studied longitudinally in six acute schizophrenic patients throughout most of their hospital stays, ranging from 25 to 224 consecutive nights, and the data compared with those 15 normal control subjects. The sleep these showed unique differences subjects as well severely depressed under experimental conditions. However, no definitive interpretation findings can yet be made; further extensive systematic case studies are needed determine whether disturbances reported here...

10.1176/ajp.126.9.1213 article EN American Journal of Psychiatry 1970-03-01

BACKGROUND Patient navigation may reduce cancer disparities associated with socioeconomic status (SES) and household factors. This study examined whether these factors were delays in diagnostic resolution among patients screening abnormalities patient ameliorated delays. METHODS analyzed data from 5 of 10 centers the National Cancer Institute's Navigation Research Program, which collected SES on employment, income, education, housing, marital status, composition. The primary outcome was time...

10.1002/cncr.29612 article EN Cancer 2015-09-08

Man's wondering about his dreams has been singularly intertwined with the history of psychiatry, and understanding one grown<i>pari passu</i>with that other. Whatever sophistication concerning meaning thus attained, until very recently our view dreaming itself remained essentially granted by common experience. The traditional conception dreaming, even as it was assumed in Freud's penetrating studies, described an occasional, unpredictable, fleeting, mysterious psychic anomaly. Over past...

10.1001/archpsyc.1963.01720100071008 article EN Archives of General Psychiatry 1963-04-01

1. Cerium (2 mg/kg) causes an early decrease in serum glucose and a later significant increase plasma free fatty acids followed by degeneration of the liver. 2. Conditions that prevent acid liver responses are (a) administration cerium as bound complex or particle, (b) use hypophysec-tomized, diabetic, male rats.

10.3181/00379727-106-26286 article EN Experimental Biology and Medicine 1961-01-01

10.1016/0022-3956(65)90017-8 article EN Journal of Psychiatric Research 1965-08-01

Drug abuse treatment programs in six regions of the United States collaborated a study aimed at monitoring trends seroprevalence human immunodeficiency virus (HIV) antibodies. The wide disparities HIV face similarities drug using behavior have important implications for prevention. In New York City area (Harlem, Brooklyn), 61 per cent samples (N = 280) obtained late 1986 were positive, up from 50 585) early 1985. Baltimore, Maryland, 29 184) representing 11 positive. contrast, distant...

10.2105/ajph.78.4.443 article EN American Journal of Public Health 1988-04-01

Systolic blood pressure measurements were made on normal human subjects throughout entire nights of natural sleep and correlated with cyclical changes in electroencephalographic patterns. During the recurrent rapid-eye-movement phase mean levels found to be generally higher, minute-to-minute variability level was much greater than during remainder sleep.

10.1126/science.142.3597.1313 article EN Science 1963-12-06
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