Photoperiodism in Humans and Other Primates: Evidence and Implications

Seasonal Affective Disorder

1984 • 2,272 citations

A functional analysis of circadian pacemakers in nocturnal rodents

1976 • 2,105 citations

Light Suppresses Melatonin Secretion in Humans

1980 • 1,873 citations

Resetting of Circadian Time in Peripheral Tissues by Glucocorticoid Signaling

2000 • 1,733 citations

A functional analysis of circadian pacemakers in nocturnal rodents

1976 • 1,638 citations

Hormones, Brain and Behavior

2009 • 1,548 citations

A Novel Human Opsin in the Inner Retina

2000 • 1,236 citations

Handbook of behavioral neurobiology

1988 • 1,128 citations

Sensitivity of the human circadian pacemaker to nocturnal light: melatonin phase resetting and suppression

2000 • 1,087 citations

The Pineal Gland

1965 • 778 citations

Mammalian Photoperiodic System: Formal Properties and Neuroendocrine Mechanisms of Photoperiodic Time Measurement

2001 • 747 citations

Prevalence of seasonal affective disorder at four latitudes

1990 • 479 citations

Biology of Mammalian Photoperiodism and the Critical Role of the Pineal Gland and Melatonin

2001 • 364 citations

Bright Light Treatment of Winter Depression

1998 • 338 citations

Morning vs Evening Light Treatment of Patients With Winter Depression

1998 • 326 citations

Conservation of photoperiod-responsive mechanisms in humans

1993 • 321 citations

A Controlled Trial of Timed Bright Light and Negative Air Ionization for Treatment of Winter Depression

1998 • 314 citations

The Durations of Human Melatonin Secretion and Sleep Respond to Changes in Daylength (Photoperiod)

1991 • 312 citations

Melatonin Receptors: Molecular Biology of a New Family of G Protein-Coupled Receptors

1997 • 305 citations

Seasonality and affective illness

1989 • 292 citations

A Circadian Signal of Change of Season in Patients With Seasonal Affective Disorder

2001 • 279 citations

Untitled

1997 • 279 citations

Melatonin in relation to body measures, sex, age, season and the use of drugs in patients with major affective disorders and healthy subjects

1984 • 233 citations

Phototherapy of Seasonal Affective Disorder

1986 • 220 citations

Annual Rhythm of Human Reproduction: I. Biology, Sociology, or Both?

1990 • 217 citations

A Longer Biological Night in Long Sleepers Than in Short Sleepers

2003 • 212 citations

Inverse Seasonal Relationship Between Melatonin and Ovarian Activity in Humans in a Region With a Strong Seasonal Contrast in Luminosity*

1987 • 207 citations

Seasonality in human reproduction: an update

1992 • 205 citations

Disruption of human circadian and cognitive regulation following a discrete hypothalamic lesion: A case study

1991 • 194 citations

Annual Rhythm of Human Reproduction: II. Environmental Correlations

1990 • 189 citations

Melatonin receptors in human hypothalamus and pituitary: implications for circadian and reproductive responses to melatonin.

1993 • 188 citations

Melatonin and Mammary Pathological Growth

2000 • 183 citations

Evidence for a biological dawn and dusk in the human circadian timing system

2001 • 179 citations

Seasonality of births in human populations

1991 • 174 citations

A survey of reproductive parameters in the free-ranging chimpanzees of Gombe National Park

1997 • 165 citations

Seasonal Variation in Human Reproduction: Environmental Factors

1995 • 163 citations

Mammalian Seasonal Rhythms: Behavior and Neuroendocrine Substrates

2016 • 162 citations

Complex circadian regulation of pineal melatonin and wheel-running in Syrian hamsters

1994 • 152 citations

Global Patterns of Seasonal Variation in Human Fertilitya

1994 • 148 citations

Effects of damage to the suprachiasmatic area of the anterior hypothalamus on the daily melatonin and cortisol rhythms in the rhesus monkey

1981 • 146 citations

Bright light phase shifts the human melatonin rhythm during the Antarctic winter

1987 • 138 citations

Resetting of circadian melatonin and cortisol rhythms in humans by ordinary room light

1998 • 137 citations

Sleep We Have Lost: Pre-Industrial Slumber in the British Isles

2001 • 137 citations

Eye versus skin phototherapy of seasonal affective disorder

1987 • 126 citations

Serum Melatonin in Central Precocious Puberty Is Lower than in Age-Matched Prepubertal Children*

1991 • 125 citations

Annual Rhythms in Man

1981 • 116 citations

When will the stork arrive? Patterns of birth seasonality in neotropical primates

2000 • 115 citations

The circadian rhythm in plasma melatonin concentration of the urbanized man: the effect of summer and winter time

1985 • 114 citations

Atenolol in seasonal affective disorder: a test of the melatonin hypothesis

1988 • 114 citations

Postmortem tracing reveals the organization of hypothalamic projections of the suprachiasmatic nucleus in the human brain

1998 • 110 citations

Seasonality of reproduction in primates.

1986 • 105 citations

Naturalistic studies of human light exposure

1983 • 97 citations

Absence of Detectable Melatonin and Preservation of Cortisol and Thyrotropin Rhythms in Tetraplegia¹

2000 • 96 citations

Seasonal, menstrual and circadian secretions of melatonin, gonadotropins and prolactin in women

1988 • 95 citations

Melatonin in seasonal affective disorder and phototherapy.

1986 • 93 citations

Encoding Le Quattro Stagioni within the Mammalian Brain: Photoperiodic Orchestration through the Suprachiasmatic Nucleus

2001 • 91 citations

Sleep We Have Lost: Pre-industrial Slumber in the British Isles

2001 • 89 citations

Hormones, Brain and Behavior

2002 • 87 citations

Seasonal variability in fertilization and embryo quality rates in women undergoing IVF

2000 • 86 citations

Seasonal changes in the suprachiasmatic nucleus of man

1992 • 81 citations

Human retinohypothalamic tract as revealed by in vitro postmortem tracing

1998 • 79 citations

Antiproliferative action of melatonin on human prostate cancer LNCaP cells.

2000 • 78 citations

Endocrine Control of the Seasonal Occurrence of Ovulation in Rhesus Monkeys Housed Outdoors*

1984 • 78 citations

Circannual concentrations of melatonin, gonadotrophins, prolactin and gonadal steroids in males in a geographical area with a large annual variation in daylight

1985 • 78 citations

Annual patterns of luteinizing hormone, follicle stimulating hormone, testosterone and inhibin in normal men

1996 • 77 citations

Annual changes in 6-sulphatoxymelatonin excretion in man

1988 • 73 citations

Decoding Photoperiodic Time and Melatonin in Mammals: What Can We Learn from the Pars Tuberalis?

2001 • 73 citations

Exposure to long summer days affects the human melatonin and cortisol rhythms

1997 • 71 citations

Autoradiographic localization of putative melatonin receptors in the brains of two Old World primates: Cercopithecus aethiops and Papio ursinus

1993 • 70 citations

Role of the suprachiasmatic nuclei in the circadian timing system of the squirrel monkey. I. The generation of rhythmicity

1984 • 69 citations

Early-morning administration of short-acting beta blockers for treatment of winter depression

1994 • 69 citations

FACTORS INFLUENCING THE REPRODUCTIVE CYCLE IN THE CHIMPANZEE; THE PERIOD OF ADOLESCENT STERILITY AND RELATED PROBLEMS

1943 • 68 citations

A Significant Correlation between Melatonin Deficiency and Endometrial Cancer

1998 • 65 citations

Inhibition of melatonin secretion onset by low levels of illumination

1996 • 65 citations

Melatonin and Sex Hormone Interrelationships - A Review

1999 • 64 citations

Seasonal variation of semen quality and fertility.

1999 • 63 citations

Light of domestic intensity produces phase shifts of the circadian oscillator in humans

1998 • 62 citations

Influence of melatonin and photoperiod on animal and human reproduction

1996 • 62 citations

Chapter 8 The organization of the human circadian timing system

1992 • 57 citations

Effects of morning phototherapy on circadian markers in seasonal affective disorder

1997 • 54 citations

Human plasma melatonin and urinary 6‐sulphatoxy melatonin:studies in natural annual photoperiod and in extended darkness

1991 • 53 citations

Seasonal influence on reproduction in chimpanzees of gombe national park

1995 • 53 citations

Bimodal patterns of human melatonin secretion consistent with a two-oscillator model of regulation

1995 • 52 citations

Long-term melatonin administration does not alter pituitary-gonadal hormone secretion in normal men

2000 • 52 citations

A 3-year study of an annual rhythm in plasma androgen levels in male rhesus monkeys (Macaca mulatta) in a constant laboratory environment

1977 • 50 citations

Is fecundability associated with month of birth? An analysis of 19th and early 20th century family reconstitution data from The Netherlands

1997 • 42 citations

Circadian rhythms of 6-sulphatoxy melatonin, cortisol and electrolyte excretion at the summer and winter solstices in normal men and women

1986 • 42 citations

Diurnal and seasonal rhythms of melatonin, cortisol and testosterone in interior Alaska.

1994 • 42 citations

Effects of light treatment upon mood and melatonin in patients with seasonal affective disorder

1989 • 41 citations

Low Ambient Temperature Accelerates Short-Day Responses in Siberian Hamsters by Altering Responsiveness to Melatonin

2001 • 40 citations

Suppression of melatonin by 2000-lux light in humans with closed eyelids

1999 • 40 citations

Estradiol concentrations, fat deposits, and reproductive strategies in male rhesus macaques

1992 • 38 citations

The effects of environmental lighting on the daily melatonin rhythm in primate cerebrospinal fluid

1981 • 36 citations

RHYTHMS OF SERUM MELATONIN IN PATIENTS WITH SPINAL LESIONS AT THE CERVICAL, THORACIC OR LUMBAR REGION

1989 • 36 citations

Short-day melatonin pattern advances puberty in seasonally breeding rhesus monkeys (Macaca mulatta)

1989 • 33 citations

Annual physiological changes in individually housed squirrel monkeys (Saimiri sciureus)

1999 • 32 citations

Sensitivity of Syrian Hamsters (Mesocricetus auratus) to Amplitudes and Rates of Photoperiodic Change Typical of the Tropics

1993 • 32 citations

Dynamics of Discrete Entrainment of the Circadian Rhythm in the Rat Pineal N-Acetyltransferase Activity during Transient Cycles

1987 • 32 citations

Seasonal Testicular Function in Male Rhesus Monkeys

1996 • 32 citations

Effects of maternal birth season on birth seasonality in the Canadian population during the seventeenth and eighteenth centuries.

1990 • 31 citations

Photoperiod-driven changes in reproductive function in male rhesus monkeys.

1992 • 31 citations

Historical Study of the Season of Birth in the City of York, England

1966 • 30 citations

The effect of season on circulating concentrations of anterior pituitary, ovarian and adrenal cortex hormones and hormone binding proteins in the subarctic area; evidence of increased activity of the pituitary-ovarian axis in spring

1987 • 30 citations

Glutamic Acid Decarboxylase Message Isoforms in Human Suprachiasmatic Nucleus

1996 • 29 citations

Elevated Nocturnal Melatonin Is a Consequence of Gonadotropin-Releasing Hormone Deficiency in Women with Hypothalamic Amenorrhea

1998 • 29 citations

Effects of Long‐Term, Low‐Dose, Time‐Specified Melatonin Administration on Endocrine and Cardiovascular Variables in Adult Men

1990 • 29 citations

Seasonality in twin birth rates, Denmark, 1936-84.

1987 • 26 citations

Zur Klinik des Hypophysenzwischenhirnsystems

1946 • 25 citations

Nocturnal changes in serum melatonin during female puberty in rhesus monkeys: a longitudinal study

1989 • 24 citations

Melatonin hypersecretion in male patients with adult-onset idiopathic hypogonadotropic hypogonadism

2000 • 18 citations

Circannual cycles in golden-mantled ground squirrels: fall and spring cold pulses

1990 • 17 citations

MATING SEASONALITY IN CASTRATED MALE RHESUS MONKEYS

1975 • 17 citations

Exogenous influences on human fertility: fluctuations in sperm parameters and results of in-vitro fertilization coincide with conceptions in the normal population

1998 • 16 citations

The relation between seasonal birth variation and the season of the mother's birth

1980 • 16 citations

Adjustment of the human circadian system to changes of the sleep schedule under dim light at home

1999 • 15 citations

Seasonal Variation of Twin Births in Washington State

1993 • 13 citations

No evidence for a diurnal vasoactive intestinal polypeptide (VIP) rhythm in the human suprachiasmatic nucleus

1996 • 13 citations

Endocrinological Disorders

1999 • 13 citations

Food restriction enhances melatonin effects on the pituitary‐gonadal axis in female rats

1992 • 9 citations

Light Suppression of Melatonin in the Squirrel Monkey (Saimiri sciureus)

1990 • 8 citations

Changes in the seasonal distribution of births in Görlitz, Germany, during the period between 1657 and 1816.

1981 • 7 citations

[Seasonal variations in the birth rate and conception rate within the last 200 years (author's transl)].

1976 • 6 citations