Infant Development: Heart Rate Change and Wariness

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Questions and Answers

What was the difference in heart rate response between 5-month-old infants and 9-month-old infants when measured over the visual cliff?

  • 5-month-olds showed a deceleration, and 9-month-olds showed an increase (correct)
  • Both 5-month-olds and 9-month-olds showed an increase
  • 5-month-olds showed an increase, and 9-month-olds showed a deceleration
  • Both 5-month-olds and 9-month-olds showed a deceleration

What did crawlers show compared to non-crawlers when it comes to wariness?

  • There was no difference in wariness between crawlers and non-crawlers
  • Non-crawlers showed more wariness
  • Non-crawlers were more cognitively advanced than crawlers
  • Crawlers showed more wariness (correct)

What does the text suggest about depth perception in newborn infants?

  • Depth perception in newborns is still developing
  • Newborn infants have no depth perception
  • Newborns perceive depth only after crawling experience
  • Newborn infants understand size constancy (correct)

Based on the text, what factor seems to determine whether an infant will cross the deep side of the visual cliff?

<p>Experience with crawling and/or walking (D)</p> Signup and view all the answers

What does the text suggest about wariness in infants regarding falling?

<p>Wariness is not solely due to falling experiences (A)</p> Signup and view all the answers

How did the infants' crawling experience relate to their level of wariness according to the text?

<p>Crawling experience correlated with higher levels of wariness (B)</p> Signup and view all the answers

Why did infants familiarized with the continuous event look longer at the two-object display?

<p>They reasoned that two objects were involved in the event. (C)</p> Signup and view all the answers

What conflict arises from the data regarding infants' search behavior for hidden objects?

<p>Infants do not begin searching until 6 months old, contradicting violation of expectation studies. (D)</p> Signup and view all the answers

What is a possible reason why infants might make search errors according to the text?

<p>Memory limitations could lead to cognitive overload. (C)</p> Signup and view all the answers

Based on the text, what could be a reason for the violation-of-expectation studies showing early understanding of object permanence?

<p>Infants start reasoning about events and object permanence early on. (C)</p> Signup and view all the answers

What might cause an infant to look longer at a display that violates their familiar reasoning?

<p>An assumption of object permanence (A)</p> Signup and view all the answers

How does familiarization impact infant reasoning in relation to real-world events?

<p>It influences their understanding of object permanence. (A)</p> Signup and view all the answers

What did Baillageron's truck and ramp study reveal about infants' perception of the 'impossible' event?

<p>Infants look longer at novel stimuli, ruling out the possibility of looking longer at the impossible event due to novel stimuli. (A)</p> Signup and view all the answers

What was the significance of the Drawbridge Study in understanding infants' object permanence?

<p>It demonstrated that young infants can understand object permanence, as they looked longer at the impossible event. (B)</p> Signup and view all the answers

How do nativist perspectives differ from Piaget's beliefs regarding infant object knowledge?

<p>Piaget believed infants are born with all knowledge they need, while nativists contend that some knowledge is innate and must be built upon. (A)</p> Signup and view all the answers

How do young infants demonstrate their understanding in terms of support relationships between objects?

<p>They rely on any above-below contact between objects as sufficient support. (B)</p> Signup and view all the answers

What aspect of infants' cognitive development was challenged by the results of Baillageron's and the Drawbridge studies?

<p>Object permanence (B)</p> Signup and view all the answers

In terms of infants' cognitive development, what role does the requirement for more support play as they grow older?

<p>With age, infants need additional support features to prevent toppling. (D)</p> Signup and view all the answers

What term is used to describe an infant's ability to understand that objects continue to exist even when they cannot be seen?

<p>Object permanence (B)</p> Signup and view all the answers

At what age do infants typically begin to search for hidden objects, showing signs of object permanence?

<p>6-8 months (C)</p> Signup and view all the answers

What type of error tends to persist in infants between 8-12 months according to Piaget's research?

<p>A-not-B error (A)</p> Signup and view all the answers

Which technique involves testing infant expectations by presenting possible and impossible scenarios in object movement?

<p>Violation of expectation technique (C)</p> Signup and view all the answers

What sign indicates that infants may be confused or distressed during the violation of expectation studies?

<p>Looking longer at the impossible event (C)</p> Signup and view all the answers

What did T.G. Bower's studies primarily focus on regarding infant object knowledge?

<p>Infant anticipation of object reappearance (A)</p> Signup and view all the answers

What did Baillageron's truck and ramp study demonstrate about infants' perception of the 'impossible' event?

<p>The possible and impossible events were identical when the screen was lowered. (C)</p> Signup and view all the answers

What do nativist perspectives suggest about infant object knowledge according to the text?

<p>Innate knowledge is built upon to achieve a more accurate understanding of the world. (B)</p> Signup and view all the answers

In terms of infants' cognitive development, what role does the requirement for more support play as they grow older?

<p>Infants require objects to provide more support before considering them stable. (B)</p> Signup and view all the answers

What aspect of infants' reasoning was challenged by the results of Baillageron's and the Drawbridge studies?

<p>Object permanence (D)</p> Signup and view all the answers

How did Innate Core Knowledge theories contradict Piaget's beliefs regarding infant object knowledge?

<p>By asserting that object knowledge and permanence are innate abilities in infants. (B)</p> Signup and view all the answers

Why do young infants require less support between objects for stability according to the text?

<p>Because they have a strong innate sense of object permanence. (A)</p> Signup and view all the answers

Why did infants familiarized with the discontinuous event look longer at the one-object display?

<p>They expected to see only one object based on their familiarization. (D)</p> Signup and view all the answers

What does the violation-of-expectation studies suggest about infants' understanding of object permanence?

<p>Infants display object permanence skills around 3-4 months of age. (D)</p> Signup and view all the answers

What could explain the conflict between infants' search failure and their ability to understand object permanence?

<p>Memory limitations could be impacting infants' search performance. (C)</p> Signup and view all the answers

Why do infants often display an 'a-not-b error' when searching for hidden objects?

<p>The search task imposes a cognitive load on infants. (D)</p> Signup and view all the answers

Why might infants make search errors according to the text?

<p>Cognitive load arising from memory limitations may affect their performance. (A)</p> Signup and view all the answers

How did infants reason about the display that violated their familiar reasoning?

<p>They looked longer at the display that aligned with their prior experiences. (D)</p> Signup and view all the answers

What did the heart-rate change in 5-month-old infants when measured over the visual cliff suggest?

<p>Interest in the deep part (B)</p> Signup and view all the answers

What did the heart-rate change in 9-month-old infants when measured over the visual cliff indicate?

<p>Stress and unease (D)</p> Signup and view all the answers

What did even newborn infants understand about size constancy according to the text?

<p>Perception of depth differences (C)</p> Signup and view all the answers

What determines whether an infant will cross the deep side of the visual cliff according to the text?

<p>Crawling or walking experience (A)</p> Signup and view all the answers

Why did 9-month-old infants show an increase in heart rate over the deep part of the visual cliff?

<p>Wariness of drops (C)</p> Signup and view all the answers

What did even newborn infants seem to grasp according to the text?

<p>Depth perception (C)</p> Signup and view all the answers

Why did infants familiarized with the discontinuous event look longer at the one-object display?

<p>They were expecting to see two objects based on their prior familiarization. (C)</p> Signup and view all the answers

What is a possible reason why infants might make search errors according to the text?

<p>Memory limitations causing cognitive load (D)</p> Signup and view all the answers

How did infants reason about the display that violated their familiar reasoning?

<p>By looking longer at the display that contradicted their familiarization. (B)</p> Signup and view all the answers

What conflict arises from the data regarding infants' search behavior for hidden objects?

<p>Delay in searching for hidden objects until 6 months (D)</p> Signup and view all the answers

On what basis did infants determine whether one or two objects were involved in an event according to the text?

<p>What they saw during familiarization (C)</p> Signup and view all the answers

What does it mean when infants look longer at a display that violates their familiar reasoning?

<p>They are surprised or confused by the unexpected display. (D)</p> Signup and view all the answers

Why do infants look longer at the impossible event in Baillageron's truck and ramp study?

<p>Due to a change in screen position (A)</p> Signup and view all the answers

What did the Drawbridge Study reveal about 5-month-old infants' understanding?

<p>They understood object permanence (A)</p> Signup and view all the answers

How do nativist perspectives on infant object knowledge differ from Piaget's beliefs?

<p>Nativists believe all knowledge is innate, while Piaget did not (A)</p> Signup and view all the answers

What is the developmental trend observed regarding infants' requirement for support between objects as they grow older?

<p>They need more support as they age (A)</p> Signup and view all the answers

What contradicts Piaget's beliefs about infant object knowledge according to the text?

<p>'Innate Core Knowledge' (C)</p> Signup and view all the answers

Why do young infants require less support between objects for stability according to the text?

<p>To avoid toppling the above object (B)</p> Signup and view all the answers

Do infants exhibit spatial orientation skills during infancy?

<p>Yes, evidence suggests spatial skills develop as infants grow older (A)</p> Signup and view all the answers

What does response perseveration suggest as a reason for the a-not-b error in infants?

<p>Infants form a response habit of reaching for the object at the 'B' location (C)</p> Signup and view all the answers

What does evidence against response perseveration suggest about the a-not-b error?

<p>Infants exhibit the error despite not physically reaching for the object at the 'A' location (B)</p> Signup and view all the answers

What contributes to the memory limitations leading to the a-not-b error?

<p>Response perseveration habits of infants (A)</p> Signup and view all the answers

How do infants' sophisticated memory abilities impact their success in tasks?

<p>They contribute to greater success as infants grow older (C)</p> Signup and view all the answers

At what age do infants typically begin to search for hidden objects, demonstrating object permanence?

<p>6-8 months (D)</p> Signup and view all the answers

What term describes the error that continues to persist in infants between 8-12 months according to Piaget?

<p>A-not-B Error (D)</p> Signup and view all the answers

What did T.G. Bower's violation-of-expectation studies primarily focus on in the 1960s-70s?

<p>Object Permanence (D)</p> Signup and view all the answers

What technique involves presenting infants with possible and impossible scenarios of object movement to test their expectations?

<p>Violation of Expectation Technique (C)</p> Signup and view all the answers

What do infants show signs of when their expectations are violated during the violation-of-expectation studies?

<p>Confusion and Distress (C)</p> Signup and view all the answers

What was a significant finding from Jean Piaget's research related to infants and hidden objects?

<p>Infants can understand complex sequences of object hiding at 8-12 months (C)</p> Signup and view all the answers

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