²0–0²– 13 1 Lecture 8: Nervous and Sensory Systems KIN 3510– Physical Activity & Aging Ayesha Saleem, PhD Feb 13, 2020 Learning Outcomes Describe changes in sensory systems with age and their prevalence , causes , implications and symptoms : Hearing loss – presbycusis and occupational; hearing loss study Vision loss – presbyopia, cataracts, AMD, glaucoma, diabetic retinopathy Olfaction, mastification (read article and summarize key points) What are the effects of exercise on vision loss and risk of falling? List and describe SPPB tests and how they predict ADL. Understand statistical tests (IRR, OR) used to measure effects of an exposure. What happens to cognitive function with age? List the age-related changes in the CNS and PNS . List and describe age-related diseases related to the nervous system ( Alzheimer’s, Vascular Dementia, Lewy Body Dementia ). What is the effect of exercise on brain health and diseases related to the nervous system?
²0–0²– 13 ² 1. Hearing Loss Affects 30% of those between 65-74 years and 50% of those between 75-80 years. Difficulty communicating effectively: Withdrawal Depression Balance may be affected as there are changes in the vestibular system (part of the inner ear) as well. Greater risk of dementia in OA with hearing loss. Reading on UM Learn: Leon et al, 2018. https:// ts Types of Hearing Loss 1. Presbycusis (sensorineural impairment): Changes in the inner ear as a result of age. Very common sign of aging; permanent. Inability to hear high tones and/or tolerate loud noises. Lower ranges of hearing may eventually become affected as well. Loss of balance falling. Tinnitus : ringing (hissing, buzzing, clicking in ear); sometimes the 1 st sign but not always. https://
²0–0²– 13 Types of Hearing Loss 2. Occupational or lifestyle hearing loss: Hearing loss that is due to controllable factors.
- Fall '19
- jay johnson
- vision loss, Visual impairment, Physiology of Exercise and Healthy Aging