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Questions and Answers
What is the primary role of midbrain reactions in development?
What is the primary role of midbrain reactions in development?
- To enable balance in adults
- To enhance fine motor skills
- To promote cognitive development
- To assist in postural control and position changing (correct)
At what age do Labyrinthine Righting Reactions (LRR) first appear?
At what age do Labyrinthine Righting Reactions (LRR) first appear?
- At birth
- 6 months
- 1 to 2 months (correct)
- 3 to 5 months
What is the outcome of the Neck Righting Reaction (NRR)?
What is the outcome of the Neck Righting Reaction (NRR)?
- It promotes reflexes unrelated to posture
- The body follows the position of the neck (correct)
- The body moves independently of the head
- It develops fine motor skills
Which reaction enables a child to maintain head control while in a prone position?
Which reaction enables a child to maintain head control while in a prone position?
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What characterizes the Amphibian Reaction?
What characterizes the Amphibian Reaction?
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Study Notes
Midbrain Reactions
- Also referred to as Righting Reactions (RR), these interactions establish normal head and body relationships in space and alignment.
- Key for developing postural control and the ability to change positions in space.
Labyrinthine Righting Reactions (LRR)
- Appear between 1-2 months of age and persist throughout life.
- Functions in various positions: supine, prone, sitting, and lateral tilting.
- Example: Helps infants clear their airways while in a prone position.
Neck Righting Reaction (NRR)
- Facilitates movement by using the head as a key point of control (KPC).
- Body movement follows the position of the neck.
- Present from birth to 6 months of age.
Body Righting Reactions (RR)
- Body RR acting on the body provides segmental rotation (especially in the trunk).
- Observable from 6 to 18 months of age.
- Body RR acting on the head aids in maintaining head positioning in space.
- In prone, abdominal pressure and arm support assist with head control and extensor tone.
Optic Righting Reaction
- Integrated at both mid-brain and cortical levels.
- Begins to appear from 6 months and remains present into adulthood.
Amphibian Reaction
- Occurs when a child in prone position lifts their pelvis, resulting in flexion of the arm and leg on the same side.
- Present from 6 months of age and maintained throughout life.
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