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Questions and Answers
What are equilibrium reactions primarily responsible for?
What are equilibrium reactions primarily responsible for?
- Maintaining balance over the existing base (correct)
- Promoting cognitive development
- Facilitating emotional responses
- Enhancing hand-eye coordination
At what age do equilibrium reactions typically begin to emerge?
At what age do equilibrium reactions typically begin to emerge?
- 18 months
- 6 months (correct)
- 3 months
- 12 months
Which structures interact efficiently to mediate equilibrium reactions?
Which structures interact efficiently to mediate equilibrium reactions?
- Cortex, basal ganglia, and cerebellum (correct)
- Thalamus and hypothalamus
- Hippocampus and amygdala
- Brainstem and limbic system
What physical capabilities are dependent on equilibrium reactions?
What physical capabilities are dependent on equilibrium reactions?
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In which position are equilibrium reactions NOT typically tested?
In which position are equilibrium reactions NOT typically tested?
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Study Notes
Cortical Level Reactions
- Equilibrium reactions are crucial for maintaining balance and are part of postural reactions.
- These reactions are regulated by the interaction of the cerebral cortex, basal ganglia, and cerebellum.
- They begin to emerge around 6 months of age, marking a critical stage in motor development.
- The primary function is to maintain balance when body equilibrium is disrupted, such as during a trip.
- These reactions involve comprehensive postural adjustments that encompass the entire body.
- Equilibrium reactions rely on the coordination of flexion, extension, and rotation movements.
- They can be assessed in various positions: prone, supine, four-point kneeling, and standing.
Types of Postural Reactions
- Righting reactions help align the body's position in response to gravity and surface changes.
- Protective reactions are critical for safety, enabling quick responses to prevent falls or injuries.
- Equilibrium and righting reactions are particularly observable in infants during sitting at 6 months.
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