Infants' Cognitive Development and Movement
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Questions and Answers

According to the maturational perspective on development, which part of the brain is primarily responsible for Equilibrium Reactions?

  • Spinal Cord
  • Brainstem
  • Midbrain
  • Cerebral Cortex (correct)

    • What type of movements occur without any apparent stimulation in infants?

  • Righting reactions
  • Reflexive movements
  • Sterotypie movements (correct)
  • Primitive reflexes

    • What did recent evidence suggest about the relationship between movement and brain development?

  • Movement only affects primitive reflexes
  • Movement has no effect on brain development
  • There is no interaction between movement and brain development
  • Brain development affects movement (correct)

    • What term is used to describe movements that are spontaneous and occur for no apparent reason?

    <p>Spontaneous Movements</p> Signup and view all the answers

    Which researchers studied supine kicking by analyzing the position and timing of limb segments?

    <p>Thelen and colleagues</p> Signup and view all the answers

    What does Thelen and colleagues' study focus on?

    <p>Supine kicking</p> Signup and view all the answers

    What is the main purpose of the Labyrinthine Righting Reflex?

    <p>Facilitate equilibrium reactions</p> Signup and view all the answers

    At what age does the Stepping reflex typically disappear?

    <p>5 months</p> Signup and view all the answers

    Which description best fits the Parachute Reflex?

    <p>Legs extend when child is rapidly lowered toward the ground</p> Signup and view all the answers

    What is a key difference between primitive reflexes and postural reflexes?

    <p>Postural reflexes are incorporated into general movements</p> Signup and view all the answers

    What is the main function of locomotor reflexes?

    <p>Facilitate voluntary gait</p> Signup and view all the answers

    What was the traditional belief regarding voluntary movement and reflexes?

    <p>Reflexes must be completely inhibited for voluntary movement to occur</p> Signup and view all the answers

    What is the main purpose of infantile reflexes according to the text?

    <p>To facilitate survival and interaction with the environment</p> Signup and view all the answers

    What is the significance of the Moro reflex in infants?

    <p>Signifies possible injuries to one side of the brain</p> Signup and view all the answers

    What type of reflex is the Palmar Grasping reflex?

    <p>Primitive reflex</p> Signup and view all the answers

    Why do infantile reflexes occur according to the text?

    <p>To stimulate sensory consequences and facilitate development</p> Signup and view all the answers

    What characterizes postural reflexes according to the text?

    <p>They maintain posture in a changing environment</p> Signup and view all the answers

    What do infantile reflexes involve according to the text?

    <p>Single muscles or specific muscle groups</p> Signup and view all the answers

    How do primitive reflexes differ from postural reflexes according to the text?

    <p>'Primitive' are involuntary stereotyped responses while 'postural' are voluntary.</p> Signup and view all the answers

    What is the purpose of the Doll-eye reflex in infants?

    <p>Stimulates vestibular development</p> Signup and view all the answers

    Which type of infantile reflex is characterized by a fanning out of toes in response to a stimulus on the sole of the foot?

    <p>Babinski Reflex</p> Signup and view all the answers

    What is a common consequence of persistent Moro reflex according to the text?

    <p>Delayed sitting and head control</p> Signup and view all the answers

    What does the Palmar Grasping Reflex involve closing tightly around according to the text?

    <p>An object or finger touched in palm</p> Signup and view all the answers

    Which part of an infant's body does the Symmetric tonic neck reflex involve according to the text?

    <p>Arms and neck</p> Signup and view all the answers

    What does the maturational perspective on development suggest about the role of the CNS in guiding early motor behavior?

    <p>The CNS is the only factor influencing early motor behavior.</p> Signup and view all the answers

    What term is used to describe movements like supine kicking that occur without any apparent stimulation?

    <p>Spontaneous movements</p> Signup and view all the answers

    According to recent evidence, how does brain development interact with movement?

    <p>Movement also affects brain development.</p> Signup and view all the answers

    What type of movements do Thelen and colleagues specifically focus on in their study?

    <p>Spontaneous movements</p> Signup and view all the answers

    How do spontaneous (stereotypic) movements like supine kicking differ from reflexive movements?

    <p>Reflexive movements only occur in response to stimuli, but spontaneous movements do not.</p> Signup and view all the answers

    Why is it significant that certain infant movements occur in the absence of any stimuli?

    <p>It challenges earlier assumptions and highlights interactions between movement and brain development.</p> Signup and view all the answers

    What is the purpose of the Derotative Righting Reflex according to the text?

    <p>To aid in the development of equilibrium reactions</p> Signup and view all the answers

    Which category describes the role of reflexes as a byproduct of the developing neurological system?

    <p>Structural roles</p> Signup and view all the answers

    What is the main difference between Locomotor reflexes and voluntary movement according to early researchers?

    <p>Reflexes inhibit voluntary movement</p> Signup and view all the answers

    What is the primary function of the Parachute Reflex in infants?

    <p>To extend legs when tilted backwards</p> Signup and view all the answers

    How do postural reflexes differ from primitive reflexes according to the text?

    <p>Postural reflexes are incorporated into general movements, unlike primitive reflexes</p> Signup and view all the answers

    What type of response is elicited by the Swimming Reflex in infants according to the text?

    <p>Facilitation of equilibrium in motion</p> Signup and view all the answers

    What is the current theory regarding movements in infants?

    <p>Movements are building blocks for voluntary movements.</p> Signup and view all the answers

    Why do infantile reflexes occur according to the text?

    <p>To promote survival and facilitate interaction with the environment.</p> Signup and view all the answers

    What role do postural reflexes play according to the text?

    <p>Facilitate posture maintenance in a changing environment.</p> Signup and view all the answers

    What is the main function of the Symmetric Tonic Neck Reflex?

    <p>Help with vestibular development.</p> Signup and view all the answers

    How do primitive reflexes differ from postural reflexes as per the text?

    <p>Primitive reflexes involve the whole body, while postural reflexes involve specific muscle groups.</p> Signup and view all the answers

    What is the consequence of persistent Moro reflex according to the text?

    <p>Delayed sitting and head control.</p> Signup and view all the answers

    Which type of movement is characterized by sudden extension of arms and legs after gently lowering the baby's head?

    <p>Moro Reflex</p> Signup and view all the answers

    What happens during the Palmar Grasping reflex?

    <p>The hand closes tightly around an object</p> Signup and view all the answers

    What is the primary stimulus for the Sucking Reflex?

    <p>Touching the face above or below the lips</p> Signup and view all the answers

    What is a key difference between primitive and postural reflexes according to the text?

    <p>Primitive reflexes are involuntary and stereotyped, while postural reflexes are voluntary and adaptive.</p> Signup and view all the answers

    What is a common consequence of Doll-eye Reflex?

    <p>Eyes open and close repeatedly</p> Signup and view all the answers

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