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ch 15 - CH 15 PHYSICAL COGNITIVE DEVELOPMENT IN MIDDLE...

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CH 15: PHYSICAL & COGNITIVE DEVELOPMENT IN MIDDLE ADULTHOOD PHYSICAL CHANGES Vision Difficulty reading small print Presbyopia – “old eyes” – unable to adjust to objects at different distances Limited ability to see in dim lighting Disrupted vision by bright light sources (head lights) Loss of rods and cones (light and color receptors) Glaucoma – poor fluid drainage leads to a buildup of pressure within the eye, damaging the optic nerve Leading cause of blindness More women than men Hearing Presbycusis – “old hearing” – age-related hearing loss Inner ear structures and sound waves deteriorate thru cell death Men’s hearing declines faster than women’s Skin Wrinkles, loosens, feels dry Saggy skin on face, arms, legs Age spots Women’s skin ages quicker – spent more time in the sun Muscle tone Men gain weight on the back and upper abdomen Women gain weight around the waist and upper arms Muscle declines – less need for strength Skeleton Bones become porous – loss in bone density
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