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Chapter 12

PSYC 101 Chapter 12: MODULE TWELVE

2 Pages
100 Views
Fall 2016

Department
Psychology
Course Code
PSYC 101
Professor
Dr.Eurnestine Brown
Chapter
12

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Module 12: Adulthood
Physical Development
Decline of muscular strength, reaction time, sensory keenness, and cardiac output
begins in our mid-twenties
Physical Changes in Middle Adulthood
During early and middle adulthood, decline has more to do with health and
exercise habits
Gradual decline in fertility
Menopause - the time of natural cessation of menstruation; also refers to
the biological changes a woman experiences as her ability to reproduce
declines
Sexual activity declines
Physical Changes in Later Life
Strength and Stamina
Muscle strength, reaction time, and stamina diminish in late adulthood
Sensory Abilities
Visual sharpness, distance perception, and adaptation to light level
changes are less acute
A 65 yo retina receives only a third of the light a 20 yo retina would
Senses of smell and hearing diminish
○ Health
The body’s disease fighting immune system weakens, making older
adults more susceptible to life threatening ailments
People over 65 suffer fewer short term ailments
The Aging Brain
Take more time to react, solve perceptual puzzles, and remember names
By age 80, brain weight decreases by 5% or so
Atrophy of the inhibition-controlling frontal lobes account for occasional
blunt questions or comments
Exercise help with enhanced memory, sharpened judgement, and
reduced risk of significant cognitive decline
Also helps maintain telomeres which protect the ends of
chromosomes
Cognitive Development
Older people’s capacity to learn and remember skills declines less than their verbal
recall
studying intelligence
cross- sectional studies - a study in which people of different ages are
compared with one another
Longitudinal study - research in which the same people are restudied and
retested over a long period
Proximity to death is more of a predictor of mental abilities than age
Terminal decline - accelerated decline of cognitive abilities before death
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Description
Module 12: Adulthood Physical Development ● Decline of muscular strength, reaction time, sensory keenness, and cardiac output begins in our mid-twenties ● Physical Changes in Middle Adulthood ○ During early and middle adulthood, decline has more to do with health and exercise habits ○ Gradual decline in fertility ■ Menopause - the time of natural cessation of menstruation; also refers to the biological changes a woman experiences as her ability to reproduce declines ○ Sexual activity declines ● Physical Changes in Later Life ○ Strength and Stamina ■ Muscle strength, reaction time, and stamina diminish in late adulthood ○ Sensory Abilities ■ Visual sharpness, distance perception, and adaptation to light level changes are less acute ■ A 65 yo retina receives only a third of the light a 20 yo retina would ■ Senses of smell and hearing diminish ○ Health ■ The body’s disease fighting immune system weakens, making older adults more susceptible to life threatening ailments ■ People over 65 suffer fewer short term ailments ○ The Aging Brain ■ Take more time to react, solve perceptual puzzles, and remember names ■ By age 80, brain weight decreases by 5% or so ■ Atrophy of the inhibition-controlling frontal lobes account for occasional blunt questions or comments ■ Exercise help with enhanced memory, sharpened judgement, and reduced risk of significant cognitive decline ● Also helps maintain telomeres which protect the ends of chromosomes Cognitive Development ● Older people’s capacity to learn and remember skills declines less than their verbal recall ● studying intelligence ○ cross- sectional studies - a study in which people of different ages are compared with one another ○ Longitudi
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