Stanbridge - T4 - Peds - W2 - Typical & Atypical Postnatal Development

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Questions and Answers

At what age does voluntary grasp replace the reflexive grasp in infants?

  • 6 months (correct)
  • 10 months
  • 8 months
  • 4 months

Which of the following fine motor skills develops first?

  • Radial digital grasp
  • Superior pincer grasp
  • Fine Inferior pincer grasp
  • Raking with fingers (correct)

What is the typical age range for segmental rolling from supine to prone in infants?

  • 4-6 months
  • 8-10 months
  • 10-12 months
  • 6-8 months (correct)

What fine motor skill involves thumb adduction and develops at 7 months of age?

<p>Radial palmar grasp (B)</p> Signup and view all the answers

According to Piaget, what developmental stage encompasses infancy from birth to about age 2?

<p>Sensorimotor Period (D)</p> Signup and view all the answers

What is the correct order of the stages in the development of motor control?

<p>Mobility, Stability, Controlled Mobility, Skill (C)</p> Signup and view all the answers

During which stage of motor development does an infant primarily perform random reflexive movements?

<p>Stage 1 - Mobility (B)</p> Signup and view all the answers

What characterizes Stage 3 - Controlled Mobility in the development of motor control?

<p>Weight shifting within a posture (B)</p> Signup and view all the answers

How does sensation contribute to motor control in infants?

<p>It provides feedback for accuracy in hand placement. (D)</p> Signup and view all the answers

Which developmental direction is specifically associated with postural control?

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

What are the two types of postural reactions identified in the objective regarding motor control?

<p>Tonic holding and co-contraction (D)</p> Signup and view all the answers

What is the final stage of motor development as described in the content provided?

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

At what age do downward lower extremity reactions first develop?

<p>4 months (D)</p> Signup and view all the answers

Which reaction integrates by the age of 9 months?

<p>Backward upper extremity (D)</p> Signup and view all the answers

What age marks the onset of supine equilibrium reactions?

<p>7-8 months (B)</p> Signup and view all the answers

Which of the following statements about protective extension reactions is true?

<p>They begin at 4 months. (B)</p> Signup and view all the answers

In which posture do equilibrium reactions first develop?

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

How do equilibrium reactions assist an infant physically?

<p>They help maintain vertical alignment when displaced. (A)</p> Signup and view all the answers

What indicates the maturity of sitting equilibrium reactions?

<p>Creeping on all fours (D)</p> Signup and view all the answers

What age range signifies the onset of standing equilibrium reactions?

<p>12-24 months (A)</p> Signup and view all the answers

What is one of the primary functions of the Landau Response?

<p>Assisting in maintaining spinal alignment (A)</p> Signup and view all the answers

What key development occurs during the first three months of infancy relating to the central nervous system?

<p>Improved lung capacity and gastrointestinal regulation (A)</p> Signup and view all the answers

At what age do infants typically develop eye-hand coordination?

<p>By three months (B)</p> Signup and view all the answers

Which sense is the least developed at birth compared to others?

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

What sensory ability do infants develop by six months concerning hearing?

<p>Localization of sound direction (B)</p> Signup and view all the answers

What visual acuity can a twelve-month-old typically achieve?

<p>20/50 (C)</p> Signup and view all the answers

What distinctive feature of newborn vision is noted in the content?

<p>Nearsightedness with a focus range of 8-10 inches (C)</p> Signup and view all the answers

Which of the following provides crucial stimulation for infants between birth and three months?

<p>Skin contact and warmth (B)</p> Signup and view all the answers

By what age do infants start to show a preference for patterns and contrast?

<p>By 1 month (B)</p> Signup and view all the answers

Which aspect of psychosocial development is emphasized during late adulthood?

<p>Sense of wholeness and fulfillment (C)</p> Signup and view all the answers

At what age do infants typically begin to discriminate a real face from a picture of a face?

<p>By 3 months (B)</p> Signup and view all the answers

What role does the development of neck-on-body (NOB) coordination play in an infant's motor skills?

<p>Aids in developing equilibrium reactions (D)</p> Signup and view all the answers

Which statement best describes the relationship between sensory experiences and motor actions according to Piaget?

<p>Sensory experiences and motor actions are interdependent during development. (B)</p> Signup and view all the answers

Which developmental stage is characterized by pairing sensory and motor reflexes leading to purposeful activity?

<p>Sensorimotor Stage (C)</p> Signup and view all the answers

What dimension does development NOT primarily take place in, based on the multifaceted approach to development?

<p>Musical development (D)</p> Signup and view all the answers

In the context of performance skills, which of the following is least involved in cognitive processing?

<p>Physical strength and coordination (C)</p> Signup and view all the answers

What characteristic can be attributed to the preoperational stage of development?

<p>Use of symbols and increased language (B)</p> Signup and view all the answers

Which statement accurately reflects Piaget's concept of schemas?

<p>Schemas are developed through interaction with the environment. (D)</p> Signup and view all the answers

What type of motor skill focuses on the ability to stabilize the body and manipulate objects?

<p>Gross motor skills (A)</p> Signup and view all the answers

Which stage of development begins with a unidimensional awareness of the environment?

<p>Preoperational Stage (C)</p> Signup and view all the answers

Which characteristic is primarily associated with the school-age concrete operational stage?

<p>Problem-solving with real objects (D)</p> Signup and view all the answers

Flashcards

Development of Motor Control

The development of motor control is a sequential process that builds upon itself. It evolves from random movements to coordinated and skilled actions.

Stability

This stage involves the development of muscle strength and coordination to hold stable postures against gravity. It builds a foundation for movement.

Controlled Mobility

This stage refers to the ability to move the body in a controlled manner within a stable posture. It involves weight shifting and precise control.

Skill

This stage involves the development of the most sophisticated movements, combining stability and mobility to perform complex actions. It represents the peak of motor development.

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Role of Sensation in Motor Control

Sensory information plays a crucial role in coordinating movement. It provides feedback to the nervous system, guiding our actions.

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Postural Control

Postural control is the ability to maintain upright posture and balance. It develops from head to toe and relies on reflexive and automatic responses.

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Automatic Postural Responses

Automatic postural responses are involuntary movements that help maintain balance and stability. These reflexes develop over time.

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Equilibrium Reactions

Reactions that help the infant maintain a balanced position against gravity. They develop in all postures, starting from prone.

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Righting Reactions

Primitive reflexes that help the infant control their limbs. They occur as the infant tries to maintain balance against gravity. These reflexes develop in a specific order, from head to toe, and persist throughout life.

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The Neck Righting Reaction

A type of righting reaction where the infant's head moves to the vertical position when placed on its side.

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The Body Righting Reaction

A critical righting reaction that involves aligning the body's axis with the head position. The infant's entire body will twist to align with the movement of the head.

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The Rolling Reaction

This righting reaction occurs when the infant is placed on its back. The infant raises its head and turns it to the side, while the body follows. It is essential for rolling over.

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Forward Upper Extremity Protective Extension Reaction

This reaction helps the infant keep its hands away from its face when being pulled to a sitting position. It also helps them maintain a vertical position when being pulled to stand. This reflex develops around 6-7 months.

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Backward Upper Extremity Protective Extension Reaction

This reflex helps the infant maintain a balanced position when being pulled to a sitting position. It occurs around 9 months.

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Equilibrium Reactions

These reactions occur in different body positions, helping infants maintain balance when being displaced. They are the most advanced and last to develop. They allow the infant to adapt to changes in weight distribution. These reactions rely on righting reactions and incorporate the body's limbs for stability.

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Standing Equilibrium Reaction

This is a highly developed equilibrium reaction that develops around 12-24 months. During this stage, infants learn to control their body weight and maintain balance when standing.

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What is the role of the symmetrical tonic neck reflex?

Helps a baby to move between flexion and extension of their limbs, which is important for reaching and grasping.

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What type of postural reaction does "Neck on Body" describe?

A type of postural reaction that helps infants maintain balance and stability, especially when losing their equilibrium.

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Define ‘Performance Skills- Fine and Gross Motor Skills’.

The process of acquiring skills involving movement and interaction with the environment, including posture, mobility, coordination, strength, effort, and energy.

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Explain ‘Performance Skills- Processing and Cognition’.

Skills used to complete tasks and solve problems in daily life, involving knowledge, temporal organization, attending to the task at hand, collecting tools, and adapting methods.

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Who developed the theory of cognitive development based on schemas?

A theory of cognitive development that emphasizes the importance of sensory experiences and physical actions in learning and understanding the world.

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What are the characteristics of the Sensorimotor stage in Piaget's theory?

The first stage of cognitive development, where infants learn by pairing sensory experiences with motor reflexes, leading to intentional actions.

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Explain the Preoperational stage in Piaget's theory.

The second stage of cognitive development, where preschoolers develop a more complex understanding of the world, using symbols like language.

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Describe the Concrete Operational stage in Piaget's theory.

The third stage of cognitive development, characterized by the ability to solve concrete problems, using logical thought and classification.

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What are the characteristics of the Formal Operational stage in Piaget's theory?

The final stage of cognitive development, where adolescents develop the ability to solve abstract problems using logical reasoning and deduction.

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Explain how development takes place in multiple dimensions.

Development occurs in various aspects, not just motor skills, involving cognition, personality, movement, and perception.

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Head Control

The ability to hold the head still and upright, develops around 4 months. This ability allows infants to explore their surroundings and interact with their caregivers.

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Segmental Rolling

The ability to roll from their back to their tummy, generally achieved between 6 and 8 months. This skill allows infants to change positions and access different perspectives.

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Sitting Alone

The ability to sit upright without support, typically developing between 6 and 8 months.

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Radial Digital Grasp

A grasping motion where the thumb is added to the other fingers, allowing for precision and the ability to pick up small objects, emerging between 7 and 9 months.

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Fine Inferior Pincer Grasp

A refined grasping technique using the thumb and index finger tips to pick up very small objects, developing between 9 and 12 months. It allows for precise manipulation of tiny objects.

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Sense of Wholeness in Late Adulthood

The feeling of being complete, satisfied, and fulfilled with life, often experienced in late adulthood.

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Psychosocial Development: Performance Skills

The ability to interact effectively with others, involving communication, information exchange, and relationship building.

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Infancy Development (First 3 Months)

The period from birth to 3 months, characterized by rapid lung expansion, increased blood flow efficiency, and development of the central nervous system (CNS) for body regulation.

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Infancy Development (Sleep Patterns)

The period from 4 months onwards, where sleep patterns start becoming more regular, often allowing infants to sleep through the night.

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Infancy - Vision Development: Acuity

The ability to see details clearly at a distance. Infants are nearsighted at birth, meaning they see best at close distances.

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Infancy - Vision Development: Focusing

The ability to focus on objects that are close and far away. Infants develop this skill throughout the first year.

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Infancy - Vision Development: Eye Movement

The ability to coordinate the movements of both eyes simultaneously. This allows infants to track moving objects and eventually reach for them.

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Infancy - Vision Development: Depth Perception

The ability to understand the three-dimensional space around us, allowing us to judge distance and perceive depth. Infants typically develop this skill by 5 months.

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Infancy - Vision Development: Color Vision

The ability to distinguish between different colors. Infants typically develop color vision by 5 months.

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Infancy - Auditory Development

The ability to hear sounds clearly and accurately. Infants are born with well-developed hearing and are particularly sensitive to their mother's voice.

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Study Notes

Introduction

  • These notes summarize typical and atypical developmental stages in infants.
  • The study material is intended for PTA 1011 students at Stanbridge University.
  • The date of the presentation is 2/29/2024.

Review - Reflexes

  • Images of infant reflexes were presented.
  • Reflexes include: Moro reflex, ATNR (Asymmetrical Tonic Neck Reflex), grasping reflex and others

Motor Control & Learning

  • Chapter 3 in the Neurologic Interventions for Physical Therapy Textbook (3rd edition) is highlighted.
  • Motor Control and Learning is a key topic.
  • Learning objectives include identifying stages of development and motor milestones. Understanding motor control and recognizing postural reactions and their impact on development.
  • Developmental process is outlined as mobility-stability-skill.

Learning Objectives

  • Identify stages of typical development.
  • Understand typical and atypical development.
  • Recognize postural reactions and motor milestones.
  • Differentiate between typical and atypical development.
  • Recognize characteristics of atypical development and red flags.
  • Understand the effect of poverty on development.

Development of Motor Control

  • Mobility, stability, and controlled mobility and skill are presented as the developmental progression.
  • Posture develops in a cephalocaudal (head-to-toe) direction.
  • Postural control is the ability to maintain body alignment. Infants learn postural responses automatically to maintain a position.

Postural Reactions and Responses

  • Three types are: righting, protective, and equilibrium reactions.
  • Righting reactions orient the head in space and allow appropriate body alignment when the position is altered through movement and changes.
  • Protective reactions help the body maintain balance or regain postural control. This is described more in detail later in the document.
  • Equilibrium reactions maintain balance and allow for adjustments in postures, such as standing, sitting, walking, and creeping.

Function of Righting Reactions

  • Righting reactions help infants maintain or regain body alignment.
  • These reactions help infants respond to gravity based on head movements and position shifts.
  • Different types of righting reactions are described.
  • Examples of righting reactions include head righting, optical righting, and labyrinthine righting.

Righting Reactions (continued)

  • Head righting develops first, the trunk second and this is an immature form compared to the mature form.
  • This is an essential component of development.
  • Various types of righting reactions (head righting, optical/labyrinthine,and trunk righting) are identified and their timing in development is analyzed

Types of Righting Reactions(continued)

  • Different types of righting reactions (optical and Labyrinthine) and their timing in development are highlighted.
  • Types of these reactions are discussed - immature and mature forms.
  • Examples of righting reactions include head righting and trunk righting in relation to moving the body to accommodate posture changes.

Neck on Body Righting(NOB) - immature and mature forms

  • Neck on body righting (NOB), immature - described and analyzed in terms of stimulus and response to describe the postural reactions that develop over time
  • Neck on body righting (NOB), mature - described and analyzed in terms of stimulus and response. Includes stages of rolling and segmental control.

Optical Righting/Labyrinthine Righting

  • This reaction allows the head to maintain an upright position as the body is tilted in different directions.
  • Starts at birth and will persist throughout life.
  • It's about body alignment in relation to the head based on cues.

Head Righting

  • Example given of how this reaction develops in response to changes in posture and relates to achieving balance.
  • The importance of head righting in postural control for the baby is described.

Trunk Righting Reactions

  • Different types are described (immature and mature form).
  • Response to stimulus (e.g., crossing one leg over the other) is described.
  • Onset and integration details are provided for both immature and mature forms.

Importance of Tummy Time

  • Tummy time is crucial in development and assists in weight bearing and head control while in supine.
  • Physiological flexion and positioning in prone and prone position support important development.

Atypical Development

  • Characteristics of atypical motor development are highlighted, including abnormal muscle tone, muscle weakness, asymmetry, and lack of various movements.
  • Some red flags for atypical development are identified.
  • Examples of atypical development include abnormal muscle tone, muscle weakness, asymmetry, and poor prone tolerance.

Atypical Tone

  • Types of atypical muscle tone and their characteristics.
  • Descriptions and explanations are provided. Examples of tone include Hypotonia, Rigidity, Hypertonia.
  • How these types of tone affect development are discussed.

Tone Reducing Techniques

  • Techniques used to modify muscle tone/spasticity and how they help develop motor control. This includes positioning the patient; handling the patient; and various techniques.
  • Examples of interventions are provided.
  • Interventions are useful for correcting and managing abnormal tone in the body that can prevent proper body functioning.

Other Developmental Issues

  • Development in children with visual impairments that may affect typical motor development.
  • Also considered are challenges related to the effects of poverty and their influence on the development of a child.

Learning Assessment Questions

  • Several questions on typical and atypical motor development. These questions include examples comparing normal and atypical development in the form of questions and answers about the subject matter.

Performance Skills - Communication and Interaction

  • The skills needed to interact with other people are described.
  • Examples and explanation how language and psychosocial development impact performance are also provided.

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