Infancy (Pt 1)
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Infancy (Pt 1)

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Physiological growth in early infancy.

Physiological growth in early infancy.

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Infancy (Pt 1) Presentation Transcript

  • 1. Infancy (Part 1)
  • 2. The Developing Brain & Nervous System
    • The Neuron
    • Basic component of the Nervous System
    • Number
    • Between 100 & 200 Billion at birth
    • Growth rate: 250,000 per minute
    • Synaptic pruning
    • Myelin
    • Fatty tissue covering the axon
    • Associated with critical periods
  • 3. Brain Development
    • Plasticity
    • The Degree that the brain is modified by experience
    • Sensitive Period
    • A time in development when the organism is susceptible to environmental influences in relating to some particular facet of development
    • Influence on the Environment
    • Greater stimulation produces greater growth
  • 4. Rhythms of Living
    • Sleep & Wakefulness
    • Sleeps 16 – 18 hours per day
    • Sleep is in fits & starts
    • REM Sleep
    • Brain waves are different than adults
    • REM sleep in infants is not associated with dreaming
  • 5. Motor Development
    • Reflexes
    • Occur automatically with a stimulus
    • Rooting, sucking, stepping, Moro, Babinski, startle, eye-blink, gag, swimming
    • Motor Skills
    • Gross Motor Skills
    • Involves large muscle groups
    • Fine Motor Skills
    • Involves smaller muscle groups
    • Dynamic Systems Theory
    • Motor behaviors are “assembled” into coordinated groups of muscles, perceptions, nervous systems activations, and motivation all carried out at the same time
  • 6. Nutrition & Motor Development
    • Malnutrition
    • Having an improper amount & balance of nutrients
    • Has negative results
    • Slower growth rate
    • Lower IQ
    • Kwashiorkor
    • Obesity
    • Weight greater than 20% above the average for a given height
  • 7. Feeding
    • Breastfeeding
    • Has advantages
    • Appropriate nutrition
    • Immunity
    • Easily digested
    • Can help cognitive growth
    • Weaning
    • Cultural variations
    • Some wean as early as 3 - 4 months, others 3 – 4 years
    • Recommended to breastfeed for the 1 st year
  • 8. Development of the Senses
    • Visual Perception
    • Neonate can see only about 1 foot
    • Minutes after birth shows preferences for certain stimuli
    • Within a few hours prefers mother’s face
    • Auditory Perception
    • Able to hear prior to birth
    • Prefers mother’s voice
    • Smell & Taste
    • Strong sense of smell & taste
    • Pain & Touch
    • Painful stimuli produce physical & emotional responses