Acute effects of corticosterone injection on paternal behavior in California mouse (Peromyscus californicus) fathers

Harris, Breanna N.; Perea-Rodríguez, Juan Pablo; Saltzman, Wendy

doi:10.1016/j.yhbeh.2011.09.001

Cited by 39 publications

(40 citation statements)

References 70 publications

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“…Moreover, males' circulating corticosterone concentrations immediately after interactions with the pup correlated negatively with the amount of time spent licking and grooming the pup (Bales et al 2006). In contrast, California mouse fathers that underwent acute corticosterone treatment, which raised their circulating corticosterone to supraphysiological levels, were nominally slower to contact their own pups when tested in the absence of the mate, but no effects of corticosterone were seen on the frequency or duration of fathers' interactions with their offspring when tested either with or without the mate present (Harris et al 2011). Harris et al (2013) evaluated effects of a 7-day chronic variable stress paradigm on paternal behavior of California mouse fathers beginning 1-3 days after the birth of their first litter.…”

Section: Stress and Anxietymentioning

confidence: 89%

Paternal Care in Biparental Rodents: Intra- and Inter-individual Variation

Saltzman

Harris

Jong

et al. 2017

Integrative and Comparative Biology

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Section: Stress and Anxietymentioning

confidence: 89%

Paternal Care in Biparental Rodents: Intra- and Inter-individual Variation

Saltzman

Harris

Jong

et al. 2017

Integrative and Comparative Biology

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“…ACTH is a hormone produced and secreted by the anterior pituitary gland in response to various stressors, including predation risk [10]. Circulating ACTH is the key regulator of corticosterone secretion by the adrenal cortex [21]. CORT participates in the control of whole body homeostasis and in the organism's response to stress [44].…”

Section: Discussionmentioning

confidence: 99%

Defensive responses of Brandt's voles (Lasiopodomys brandtii) to chronic predatory stress

Hegab

Shang

et al. 2014

Physiology & Behavior

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Predator odors are non-intrusive natural stressors of high ethological relevance. The objective of this study was to investigate the processing of a chronic, life-threatening stimulus during repeated prolonged presentation to Brandt's voles. One hundred and twenty voles were tested by repeated presentation of cat feces in a defensive withdrawal apparatus. Voles exposed to feces for short periods showed more avoidance, more concealment in the hide box, less contact time with the odor source, more freezing behavior, less grooming, more jumping, and more vigilant rearing than did non-exposed voles, and those exposed for longer periods. Serum levels of adrenocorticotropic hormone and corticosterone increased significantly when animals were repeatedly exposed to cat feces for short periods. The behavioral and endocrine responses habituated during prolonged presentation of cat feces. ΔfosB mRNA expression level was highest in voles exposed to cat feces for 6 and 12 consecutive days, and subsequently declined in animals exposed to cat feces for 24 days. We therefore conclude that the behavioral and endocrine responses to repeated exposure to cat feces undergo a process of habituation, while ΔfosB changes in the medial hypothalamic region exhibit sensitization. We propose that habituation and sensitization are complementary rather than contradictory processes that occur in the same individual upon repeated presentation of the same stressor.

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“…Decreased body mass gain and increased plasma corticosterone and hypothalamic CRH mRNA levels would most likely be signs of chronic stress. Although the direct effects of stress on paternal behaviors are not yet understood in California mice or other species (as discussed in Harris et al 2011), chronic social stress is known to increase anxiety (Reber and Neumann 2008;Erhardt et al 2009), which in turn may cause an increased avoidance of novel stimuli, such as pups (Belzung and Le Pape 1994).…”

Section: Mice (Peromyscus Californicus): Behavioral and Physiologicalmentioning

confidence: 99%

Individual Variation in Paternal Responses of Virgin Male California Mice (Peromyscus californicus): Behavioral and Physiological Correlates

Jong¹,

Kőrösi²,

Harris³

et al. 2012

Physiological and Biochemical Zoology

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California mice Peromyscus californicus are a rodent species in which fathers provide extensive paternal care; however, behavioral responses of virgin males toward conspecific neonates vary from paternal behavior to tolerance to infanticide. Indirect evidence suggests that paternal responses might be influenced by social status potentially through increased stress and anxiety in subordinate males. To test this hypothesis, we housed 12 virgin male California mice in same-sex dyads on weaning and assessed their within-dyad subordinate or dominant status using food-competition and urine-marking tests. In addition, behavioral responses to an unrelated pup, expression of vasopressin (AVP) and corticotropin-releasing hormone (CRH) mRNA in the paraventricular hypothalamic nucleus (PVN), basal plasma levels of testosterone and corticosterone, and body mass were measured. Food-competition and urine-marking tests did not reveal strong or stable dominance-subordination relationships in male-male dyads. Latency to sniff a newborn pup was correlated negatively with urine marking in the center of a novel environment and positively with expression of AVP mRNA in the PVN. Because these three parameters are all associated with state anxiety in other rodent species, these results suggest that individual differences in paternal responsiveness may be influenced by individual differences in anxiety but not necessarily by social status in virgin male California mice.

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Acute effects of corticosterone injection on paternal behavior in California mouse (Peromyscus californicus) fathers

Cited by 39 publications

References 70 publications

Paternal Care in Biparental Rodents: Intra- and Inter-individual Variation

Paternal Care in Biparental Rodents: Intra- and Inter-individual Variation

Defensive responses of Brandt's voles (Lasiopodomys brandtii) to chronic predatory stress

Individual Variation in Paternal Responses of Virgin Male California Mice (Peromyscus californicus): Behavioral and Physiological Correlates

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