Reduced anxiety in postpartum rats requires recent physical interactions with pups, but is independent of suckling and peripheral sources of hormones

Validation of open : closed arm entries in an elevated plus-maze as a measure of anxiety in the rat

1985 • 5,596 citations

The relation between fear induced by novel stimulation and exploratory drive.

1955 • 900 citations

The Neurobiology of Parental Behavior

2003 • 674 citations

Central Oxytocin Administration Reduces Stress-Induced Corticosterone Release and Anxiety Behavior in Rats¹

1997 • 648 citations

A Quantitative Analysis of the Roles of Dosage, Sequence, and Duration of Estradiol and Progesterone Exposure in the Regulation of Maternal Behavior in the Rat^*

1984 • 457 citations

CNS Region-Specific Oxytocin Receptor Expression: Importance in Regulation of Anxiety and Sex Behavior

2001 • 443 citations

Estrous cycle and sex differences in performance on anxiety tasks coincide with increases in hippocampal progesterone and 3α,5α-THP

2000 • 442 citations

Non-Psychotic Psychiatric Disorder After Childbirth

1988 • 442 citations

Estrous cycle influences the response of female rats in the elevated plus-maze test

2001 • 441 citations

INDUCTION OF CORTICOTROPIN-RELEASING HORMONE GENE EXPRESSION BY GLUCOCORTICOIDS: IMPLICATION FOR UNDERSTANDING THE STATES OF FEAR AND ANXIETY AND ALLOSTATIC LOAD

1998 • 422 citations

Effects of the estrous cycle and ovarian hormones on behavioral indices of anxiety in female rats

1996 • 414 citations

Brain oxytocin: differential inhibition of neuroendocrine stress responses and anxiety-related behaviour in virgin, pregnant and lactating rats

1999 • 397 citations

Anxiolytic Effect of Progesterone is Mediated by the Neurosteroid Allopregnanolone at Brain GABA_A Receptors

1995 • 385 citations

Effects of Suckling on Hypothalamic-Pituitary-Adrenal Axis Responses to Psychosocial Stress in Postpartum Lactating Women

2001 • 375 citations

Attenuated neuroendocrine responses to emotional and physical stressors in pregnant rats involve adenohypophysial changes

1998 • 359 citations

Penetration of neurohypophyseal hormones from plasma into cerebrospinal fluid (CSF): Half-times of disappearance of these neuropeptides from CSF

1983 • 343 citations

The Extended Amygdala: Are the Central Nucleus of the Amygdala and the Bed Nucleus of the Stria Terminalis Differentially Involved in Fear versus Anxiety?

1999 • 332 citations

Timidity prevents the virgin female rat from being a good mother: Emotionality differences between nulliparous and parturient females

1981 • 305 citations

Sensory, hormonal, and neural control of maternal aggression in laboratory rodents

2002 • 288 citations

High doses of oxytocin cause sedation and low doses cause an anxiolytic-like effect in male rats

1994 • 253 citations

Factor Analysis Shows That Female Rat Behaviour Is Characterized Primarily by Activity, Male Rats Are Driven by Sex and Anxiety

1999 • 237 citations

Endocrine and Behavioural Responses to Noise Stress:Comparison of Virgin and Lactating Female Ratsduring Non‐Disrupted Maternal Activity

1997 • 227 citations

MEASUREMENT OF FREE CORTICOSTEROIDS IN RAT PLASMA: PHYSIOLOGICAL VALIDATION OF A METHOD¹

1958 • 215 citations

Increased hypothalamic expression of prolactin in lactation: involvement in behavioural and neuroendocrine stress responses

2002 • 212 citations

Pituitary-Adrenal Responsiveness during Lactation in Rats

1973 • 211 citations

Mammalian parenting: biochemical, neurobiological, and behavioral determinants

1990 • 198 citations

Responses to Laboratory Psychosocial Stress in Postpartum Women

2001 • 191 citations

Somatosensation and Maternal Care in Norway Rats

1996 • 189 citations

Long-term effects of pregnancy and parturition upon maternal responsiveness in the rat

1975 • 187 citations

Blood—Brain Barrier and Peptides

1985 • 186 citations

Role of the Midbrain Periaqueductal Gray in Maternal Nurturance and Aggression:c-fosand Electrolytic Lesion Studies in Lactating Rats

1997 • 182 citations

Parental Care: Evolution, Mechanisms, and Adaptive Significance

1996 • 180 citations

Mammalian parenting; biochemical, neurobiological and behavioral determinants

1991 • 178 citations

Estrogen and/or Progesterone Administered Systemically or to the Amygdala Can Have Anxiety-, Fear-, and Pain-Reducing Effects in Ovariectomized Rats.

2004 • 172 citations

Chapter 10 Alterations in behavioral and neuroendocrine stress coping strategies in pregnant, parturient and lactating rats

2001 • 172 citations

Strain Differences in Open-Field and Elevated Plus-Maze Behavior of Rats Without and With Pretest Handling

1998 • 169 citations

Chapter 8 Peripartum plasticity within the hypothalamo-pituitary-adrenal axis

2001 • 165 citations

Reduced fearfulness in the lactating rat

1985 • 164 citations

Central Oxytocin Administration Reduces Stress-Induced Corticosterone Release and Anxiety Behavior in Rats

1997 • 162 citations

Dissociation Between Behavioral and Hormonal Responses to the Forced Swim Stress in Lactating Rats

1995 • 159 citations

Effects of maternal hormones on ‘timidity’ and attraction to pup-related odors in female rats

1989 • 152 citations

GABA receptors in the region of the dorsomedial hypothalamus of rats regulate anxiety in the elevated plus-maze test. I. Behavioral measures

1993 • 146 citations

Single or multiple reproductive experiences attenuate neurobehavioral stress and fear responses in the female rat

2003 • 138 citations

Hysterectomy-induced maternal behavior pregnancy in the rat.

1975 • 136 citations

Anxiolytic effects of the neuroactive steroid pregnanolone (3α-OH-5β-pregnan-20-one) after microinjection in the dorsal hippocampus and lateral septum

1999 • 133 citations

Decline of maternal behavior in the virgin and lactating rat.

1975 • 133 citations

Functions of the caudal periaqueductal gray in lactating rats: kyphosis, lordosis, maternal aggression, and fearfulness.

1998 • 130 citations

Maternal Panic Disorder: Infant Temperament, Neurophysiology, and Parenting Behaviors

2003 • 127 citations

GABA receptors, progesterone and premenstrual dysphoric disorder

2003 • 125 citations

Food intake, aggression, and fear behavior in the mother rat: Control by neural systems concerned with milk ejection and maternal behavior.

1986 • 122 citations

Influence of oestrogen on spontaneous and diazepam-induced exploration of rats in an elevated plus maze

1988 • 121 citations

Brain mechanisms underlying emotional alterations in the peripartum period in rats

2003 • 119 citations

Pups Presence Eliminates the Stress Hyporesponsiveness of Early Lactating Females to a Psychological Stress Representing a Threat to the Pups

2003 • 111 citations

Ketanserin and Anxiety Levels: Influence of Gender, Estrous Cycle, Ovariectomy and Ovarian Hormones in Female Rats

1997 • 109 citations

Ovarian endocrine status modulates the anxiolytic potency of diazepam and the efficacy of !g-aminobutyric acid-benzodiazepine receptor-mediated chloride ion transport.

1991 • 109 citations

Postpartum, hormonal, and nonhormonal induction of maternal behavior in rats: Effects on T-maze retrieval of pups

1976 • 108 citations

Prepartum changes in maternal responsiveness and nest defense in Rattus norvegicus..

1984 • 106 citations

Postpartum aggression in rats: I. Effects of hypophysectomy.

1980 • 103 citations

Somatosensory control of the onset and retention of maternal responsiveness in primiparous Sprague-Dawley rats

1992 • 98 citations

Food intake, aggression, and fear behavior in the mother rat: Control by neural systems concerned with milk ejection and maternal behavior.

1986 • 94 citations

Ovarian endocrine status modulates the anxiolytic potency of diazepam and the efficacy of !g-aminobutyric acid-benzodiazepine receptor-mediated chloride ion transport.

1991 • 92 citations

Corticosterone - an anxiogenic or an anxiolytic agent?

1979 • 91 citations

Somatosensory Contributions to c-fosActivation within the Caudal Periaqueductal Gray of Lactating Rats: Effects of Perioral, Rooting, and Suckling Stimuli from Pups

1997 • 89 citations

Effects of ovariectomy on maternal behavior of primiparous and multiparous rats.

1966 • 87 citations

Effects of Suckling on Hypothalamic-Pituitary-Adrenal Axis Responses to Psychosocial Stress in Postpartum Lactating Women

2001 • 84 citations

Maternal Responsiveness Increases during Pregnancy and after Estrogen Treatment in Macaques

1998 • 82 citations

Psychophysiological Response of Breast‐ and Bottle‐Feeding Mothers to Their Infants' Signals

1985 • 77 citations

Role of maternal behavior on aggression, fear and anxiety

2002 • 76 citations

Changes in experimental anxiety during pregnancy and lactation

1993 • 74 citations

Anxiety and maternal aggression in house mice (Mus musculus): A look at interindividual variability.

1991 • 74 citations

Olfactory mechanisms in the control of maternal aggression, appetite, and fearfulness: Effects of lesions to olfactory receptors, mediodorsal thalamic nucleus, and insular prefrontal cortex.

1987 • 74 citations

Ultrasonic cries from infant rats stimulate prolactin release in lactating mothers

1979 • 74 citations

Enhancement of opioid-mediated analgesia: A solution to the enigma of placentophagia

1991 • 72 citations

Role of benzodiazepine receptors located in the dorsal periaqueductal grey of rats in anxiety

1993 • 67 citations

Diazepam, but not buspirone, induces similar anxiolytic-like actions in lactating and ovariectomized Wistar rats

2001 • 67 citations

Behavioural similarities between mother rats and benzodiazepine-treated non-meternal animals

1985 • 66 citations

Maternal aggression in rats: Changes over pregnancy and lactation in a sprague-dawley strain

1987 • 66 citations

The Effect of Hypophysectomy on Day 12 of Pregnancy on the Serum Progesterone Level and Time of Parturition in the Rat1

1972 • 64 citations

Altered Pituitary Sensitivity to Corticotropin‐Releasing Factor and Arginine Vasopressin Participates in the Stress Hyporesponsiveness of Lactation in the Rat

1999 • 64 citations

Maternal aggression of rats is impaired by cutaneous anesthesia of the ventral trunk, but not by nipple removal

1993 • 64 citations

Pituitary-adrenal activity in the postpartum rat in the absence of suckling stimulation

1972 • 64 citations

Olfactory mechanisms in the control of maternal aggression, appetite, and fearfulness: Effects of lesions to olfactory receptors, mediodorsal thalamic nucleus, and insular prefrontal cortex.

1987 • 57 citations

Prolactin Release in Lactating, Primiparous and Multiparous Thelectomized and Maternal Virgin Rats Exposed to Pup Stimuli

1978 • 56 citations

Dissociation of open-field behavior and pituitary-adrenal function

1973 • 55 citations

MATERNAL BEHAVIOR IN HYPOPHYSECTOMIZED MALE AND FEMALE MICE

1937 • 55 citations

Mechanisms of Suppression of Ovarian Follicular Development During Lactation in the Rat

1982 • 55 citations

Nursing behavior in rats is impaired in a small nestbox and with hyperthermic pups

1996 • 54 citations

Hormonal influences on the duration of postpartum maternal responsiveness in the rat

1987 • 53 citations

Lactation-induced reduction in rats' acoustic startle is associated with changes in noradrenergic neurotransmission.

1999 • 52 citations

Mood and hormonal changes during late pregnancy and puerperium.

1995 • 51 citations

Suckling Stimulus, Lactation, and Suppression of Ovulation in the Rat*

1978 • 49 citations

Prolactin in the Postpartum Rat: Synthesis and Release in the Absence of Suckling Stimulation

1969 • 49 citations

Lactation-induced reduction in rats' acoustic startle is associated with changes in noradrenergic neurotransmission.

1999 • 48 citations

Mechanisms regulating hormone release and the duration of dioestrus in the lactating rat

1983 • 44 citations

Corticotropin-Releasing Factor Levels in the Peripheral Plasma and Hypothalamus of the Rat Vary in Parallel with Changes in the Pituitary-Adrenal Axis*

1988 • 41 citations

Lactation and weaning effects on physiological and behavioral response to stressors

2003 • 39 citations

PROGESTERONE AND 20α-HYDROXYPREGN-4-EN-3-ONE LEVELS IN OVARIAN VEIN BLOOD OF THE RAT THROUGHOUT LACTATION

1969 • 38 citations

Alterations in behavioral responses to stressors following excitotoxin lesions of dorsomedial hypothalamic regions

1994 • 37 citations

Induction of maternal behaviors in primigravid rats by ovariectomy, hysterectomy, or ovariectomy plus hysterectomy: Effect of length of gestation

1977 • 37 citations

Progestin Secretion by the Ovary in Lactating Rats: Effect of LH-Antiserum, LH and Prolactin

1971 • 36 citations

Influence of lactation on motor activity and elevated plus maze behavior

1997 • 34 citations

Reduced Progesterone Metabolites Are Not Critical for Plus-Maze Performance of Lactating Female Rats

1999 • 32 citations

Maternal behavior of hypophysectomized gravid albino rats and the development and performance of their progeny.

1957 • 31 citations

Relationship of Prolactin Release in Lactating Rats to Milk Ejection, Sleep State, and Ultrasonic Vocalization by the Pups*

1984 • 30 citations

Pup age and aggressive behavior in lactating rats

2000 • 28 citations

Do pup ultrasonic cries provoke prolactin secretion in lactating rats?

1984 • 28 citations

Mechanisms involved in the control of punished responding in mother rats

1990 • 26 citations

Effect of Hypophysectomy on NADP and NADPH Concentration and Corticosteroid Secretion in the Rat Adrenal

1964 • 23 citations

Mechanisms responsible for suppression of FSH and LH during lactation in the rat

1991 • 21 citations

Involvement of the adrenal gland in the suckling-induced decrease in LH and FSH secretion and the concomitant increase in prolactin secretion in the rat

1990 • 21 citations

Ovariectomy does not attenuate aggression by primiparous lactating female rats

1992 • 15 citations

The differential effect of the anxiolytic agent 8–OH–DPAT during lactation is independent of pup withdrawal and maternal behavior

2000 • 13 citations

Fetal-Maternal Adrenal Cortical Response to Stress in the Intact and Hypophysectomized Rat

1964 • 12 citations

Effect of various partial separations of the litters from their mother on plasma prolactin levels of lactating rats.

1994 • 5 citations

Suckling and LH-Induced Progesterone Secretion in Lactating Hamsters (Mesocricetus auratus)

1976 • 4 citations

Evidence that exteroceptive stimuli other than suckling have no major effect on plasma prolactin in lactating rats

1987 • 2 citations

Deleted Work

1955 • 0 citations