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Different neurocognitive controls modulate obstacle avoidance through pregnancy.

Pegah Jamali1, Kameron M Kinkade2, Asher Ericson2

  • 1Gait and Posture Biomechanics Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164-2920, USA.

Experimental Brain Research
|January 10, 2024
PubMed
Summary
This summary is machine-generated.

Pregnant individuals experience increased fall risk due to changes in attention, joint position sense, and environmental perception. Obstacle avoidance strategies shift during pregnancy, necessitating individualized safety assessments.

Keywords:
AttentionFallGestationPerceptionProprioceptionTrip

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Area of Science:

  • Neuroscience
  • Human Physiology
  • Biomechanics

Background:

  • Falls during pregnancy are common, exceeding 25% over gestation, posing clinical health risks.
  • Preventing trips and falls requires intact attention, proprioception, and environmental perception.
  • Understanding neurocognitive changes during pregnancy is crucial for fall prevention strategies.

Purpose of the Study:

  • To investigate how neurocognitive changes affect obstacle avoidance throughout pregnancy.
  • To quantify alterations in obstacle crossing and related neurocognitive functions during gestation.

Main Methods:

  • Seventeen pregnant participants completed five testing sessions at 6-week intervals.
  • Obstacle course (OC) analysis involved crossing obstacles set at 10% of body height.
  • Neurocognitive assessments included the attentional network test (ANT), obstacle perception (OP), and joint position sense (JPS) tasks.

Main Results:

  • Average leading and trailing foot obstacle crossing heights decreased significantly (13% and 23%, respectively) between weeks 13 and 31.
  • No significant change in the variation of foot crossing heights was observed.
  • Variability in minimum leading foot distance from obstacles correlated with ANT, OP, and JPS performance.

Conclusions:

  • Reduced obstacle clearance height increases the risk of trips and falls during pregnancy.
  • Changes in attention, environmental perception, and joint position sense contribute to increased fall risk in the second and third trimesters.
  • Individualized assessments are recommended to determine fall risk and implement safety modifications.