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A Role for Fetal Movement in Shaping Maternal Neurodevelopment
Helena J V Rutherford1, Kathy Ayala1, Lissa Falcioni2
1Yale Child Study Center, Yale University, New Haven, Connecticut, USA.
Developmental Psychobiology
|August 29, 2025
Summary
Fetal movement during pregnancy enhances maternal brain responses to infant distress cues. More active fetuses are linked to heightened attention in mothers, preparing them for caregiving.
Area of Science:
- Neuroscience
- Developmental Psychology
- Maternal-Fetal Medicine
Background:
- Maternal brain undergoes changes during pregnancy for caregiving.
- Fetal movement may influence maternal neurodevelopment and responsiveness to infant cues.
Purpose of the Study:
- To investigate the association between fetal movement and maternal neural responses to infant cues.
- To explore how fetal activity shapes maternal attentional and perceptual processing during pregnancy.
Main Methods:
- Recorded fetal movement using Doppler-based actocardiography in 22 primiparous pregnant women.
- Measured maternal electroencephalography (EEG) event-related potentials (ERPs), specifically P300 and N170 amplitudes, in response to infant distress and neutral faces.
- Analyzed links between fetal movement metrics (count, duration) and ERP amplitudes.
Main Results:
- Higher fetal movement counts and durations were associated with increased P300 amplitudes in response to infant distress faces.
- No significant associations were found between fetal movement and N170 amplitudes.
- Findings remained consistent after controlling for gestational age, time between visits, psychological risk, and fetal sex.
Conclusions:
- Fetal movement activity contributes to maternal neurodevelopment.
- Increased fetal activity is linked to heightened maternal neural attention to infant distress cues, suggesting preparation for caregiving.
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