Ch. 13 notes - spe 310
Kinesthetic Awareness
- Refers to our perception of body position and movement in space.
- Arises from proprioceptors found in joints, muscles, and tendons.
- Proprioceptors help in identifying joint positions, critical for movement.
Somatosensors
- Located under and within the skin, as well as in tendons, aiding in touch sensation.
- Example: Reacting to a hot surface is mediated by somatosensors.
Vestibular Apparatus
- Located in the inner ear, helps maintain balance and spatial orientation.
- Essential for determining body equilibrium and movement awareness.
Touch Sensation in Infants
- Infants respond to touch even prenatally and demonstrate reactions, like kicking, to stimuli.
- Newborns can localize touches on their face, indicating early somatosensory development.
Development of the Vestibular System in Infants
- Functions at birth; critical for balance as infants start walking (typically around age 12 months).
- By age 2, the vestibular apparatus is fully developed.
Kinesthetic Perception Elements
- Involves:
- Single and multiple touch points: Can identify the number of touches; developed through games and exercises.
- Object recognition through touch: Infants use their mouths and hands to explore objects, learning their properties.
- Body awareness: Learning to identify different body parts and their positions.
Improvement of Tactile Localization in Childhood
- Newborns are limited in distinguishing between multiple touches; this skill improves significantly in childhood.
- Experiments like using two points on skin can help demonstrate this improvement.
Object and Manual Exploration
- Infants learn about objects and their uses through exploration, primarily using their mouths and hands.
- Purposeful manual exploration increases with age, allowing children to understand object properties (e.g., firmness, shape).
Body Awareness Development
- Children gradually learn to label body parts.
- Use of activities like tracing outlines of bodies or labeling worksheets helps solidify understanding.
Development of Spatial Awareness and Coordination
- Young children first learn vertical concepts (up/down), then spatial dimensions (front/back), followed by lateral awareness (left/right).
- Ability to demonstrate limb independence improves with age, which is critical in sports and physical activities.
Hand Dominance
- Handiness develops around age 4; not necessarily linked to a child’s cognitive or physical ability.
- Encouragement of natural preference for handedness is recommended for skill development.
Laterality and Developmental Delays
- Children with developmental delays may struggle with crossing the midline or coordinating actions across their body.
Auditory Development
- Hearing involves structures: outer, middle, and inner ear (specifically the cochlea).
- Infants can hear human speech, though they may struggle with softer sounds like whispers.
Aging and Auditory Changes
- Auditory decline may result from physiological factors, injury, or environmental factors (e.g., exposure to loud noises).
- Individuals may find it challenging to distinguish conversations in noisy environments as they age.
- "Crispyopia" refers to clear vision loss, while "crest by pussis" denotes hearing loss, showing the need to recognize how aging affects various sensory systems.
Conclusion
- Understanding kinesthetic and sensory development is essential for educators and caregivers in promoting healthy growth through activities that enhance sensory awareness and motor skills.