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Stress and parental behaviors

Yifan Wang1, Dayu Lin2

  • 1Neuroscience Institute, New York University Langone Medical Center, New York, NY, USA.

Neuroscience Research
|December 14, 2024
PubMed

Insights

Stress negatively impacts parental care in mammals by disrupting essential neurochemical systems. This review examines how stressors impair pup-directed behaviors, potentially leading to neglect, abuse, or infanticide.

Area of Science:

  • Neuroscience
  • Behavioral Biology
  • Reproductive Science

Background:

  • Parental care is crucial for mammalian offspring survival.
  • Neural circuits and neurochemical systems (estrogen, oxytocin, dopamine) regulate parental behaviors.
  • Stress can disrupt these systems, negatively affecting parental care.

Purpose of the Study:

  • To review the impact of stress on mammalian parental behavior.
  • To explore how stress affects neural circuits involved in pup-directed behaviors.
  • To understand the neurochemical mechanisms underlying stress-induced impairments in parental care.

Main Methods:

  • Literature review of studies on stress and parental behavior in mammals.
  • Analysis of neurochemical systems (estrogen, oxytocin, dopamine) involved in parental care.
  • Examination of behavioral outcomes including neglect, abuse, and infanticide.

Main Results:

  • Stress significantly impairs parental behaviors across mammalian species.
  • Stress alters neurochemical pathways essential for maternal care.
  • Adverse effects of stress can manifest as neglect, abuse, or infanticide.

Conclusions:

  • Stress poses a significant threat to effective parental care in mammals.
  • Understanding stress-induced neurochemical changes is vital for addressing impaired parental behaviors.
  • Further research is needed to mitigate the negative impacts of stress on parental care.

Keywords:
EstrogenHPA axisMesolimbic dopamine systemOxytocinParental behaviorsStress

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