week 2 and 3 notes - py 365
week 2 and 3 notes - py 365 PY 365
Popular in Psychology of Aging
Popular in Psychlogy
This 3 page Class Notes was uploaded by Helen Hardin on Friday September 11, 2015. The Class Notes belongs to PY 365 at University of Alabama - Tuscaloosa taught by Forrest Scogin in Summer 2015. Since its upload, it has received 23 views. For similar materials see Psychology of Aging in Psychlogy at University of Alabama - Tuscaloosa.
Reviews for week 2 and 3 notes - py 365
Report this Material
What is Karma?
Karma is the currency of StudySoup.
You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!
Date Created: 09/11/15
PY 365 Forrest Scogin WEEK 2 NOTES Ch 2 Neuroscience as a basic for adult development and aging The Neuroscience Approach 0 MRI Magnetic Resonance Imaging 0 fMRI functional Magnetic Resonance Imaging 0 these are important tools for understanding the brain 0 MRI gives snapshots 0 fMRI monitors dynamic activities with behavioral performance 0 allows study of age related pathologies O alzheimers O parkinsons Structure of Brain 0 deteriorating structural changes relate to cognitive function 0 less efficient information processing I speed I functions 0 ability to make and carry out plans 0 switch between tasks 0 maintain attention and focus 0 volume shrinkage in the brain linked to 0 lower cognitive test scores 0 poor performance of functions AgeRelated changes in brain activity 0 fMRI examines this Compensation and Prefrontal Bilaterality 0 studies show that when presented with similar tasks younger adults exhibit unilateral activity in left prefrontal region and older adults exhibit bilateral activity both left and right HAROLD Hemisphere Asymmetry Reduction in OLder aDults 0 suggest bilaterality is compensatory in older adults with reduced cognitive ability Biological Theories of Aging Why we age O theories 0 rate of living theories 0 I assume people are born with limited energy in a lifetime 0 slow metabolic rates in animals 0 decreased caloric intatke cellular theories l cellular level aging I Hay ic limit 0 Cells have limited ability to divide before dying 0 May be due to shortening of telomeres O programmed cell death theories l body is preprogrammed to self destruct l bodies age according to timetable in genes Changes in appearance 0 Wrinkles O Moles OOOOOOOOOO 3050 and after Skin thinner drier Pigment containing cells decrease Age spots Varicose veins Hair gets thinner Voice changes pitch trembling volume Height decreases Weakness of muscles Weight increases then decreases Changes in mobility O Muscles I I 0 Bones O Joints 0 O 0 Strength loss No difference between men and women however Mass loss in late 30s 50s 70s Sex difference Osteoporosis degenerative bone disease where bone tissue deteriorates severely Begins in 20s Osteoporosis Rheumatoid arthritis Changes in sensory systems O O 0 Vision and hearing most obvious changes Presbycusis reduced ability to hear high pitches primarily caused by noise exposure Presbyopia loss of ability to focus on nearby objects glasses Cataracts cloudy areas developing in lens from ultraviolet light 75 of people over 65 can be repaired With surgery Glaucoma build up of pressure on eye from uid not draining results in loss of vision Diabetic retinopathy Macular degeneration vision Changes in balance 0 Changes in vestibular system increases falls Changes in smell and taste 0 0 Number of olfactory receptors decreases may be due to environmental toxins Tobacco use loss of teeth cognitive changes Exercise and Aging 0 O Inactivity likely to accelerate aging Adults should be physically active
Are you sure you want to buy this material for
You're already Subscribed!
Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'