Study Guides (238,295)
United States (119,730)
Psychology (663)
PSYC 4070 (26)
All (25)

Chapter 17 Emerging Adulthood Biosocial Development

4 Pages
Unlock Document

Louisiana State University
PSYC 4070

Chapter 17 Emerging Adulthood Biosocial DevelopmentEmerging AdulthoodThe period of life between the ages of 18 and 25 Emerging adulthood is now widely thought of as a separate developmental stage Growth and StrengthMaximum height is usually achieved by age 16 for girls and 18 for boys except for a few latematuring boys who gain another inch or two by 21 During emerging adulthood muscles grow bones strengthen and shape changes with males growing more arm muscles and females growing more fatBy age 22 women have attained adult breast and hip shape and men have reached full shoulder width and upperarm strength Strength gradually decreases over adulthood with some muscles weakening more quickly than others Every body systemincluding digestive respiratory circulatory and sexual reproductive systemsfunctions optimally at the beginning of adulthood There may be health problems that emerging adults ignore A comprehensive review of many studies finds that low birthweight under nutrition in infancy and rapid weight gain by early childhood tend to result in shorter height reduced body functioning and higher risk of disease by age 25Usually blood pressure is normal teeth have no new cavities heart rate is steady the brain functions well and lung capacity is sufficient Death from disease is rare worldwide during emerging adulthood SenescenceThe process of aging whereby the body becomes less strong and efficient begins in late adulthoodHomeostasisThe adjustment of all the bodys systems to keep physiological functions in a state of equilibrium As the body ages it takes longer for these homeostatic adjustments to occur so it becomes harder for older bodies to adapt to stress Homeostatic responses are regulated in the brain by the pituitary sometimes called the master gland which defends the body via various hormonal shifts to maintain homeostasis Each persons homeostatic systems are affected by age and past experiences as well as genesOrgan ReserveThe capacity of organs to allow the body to cope with stress via extra unused functioning ability Declines in organ reserve are usually ignored until old age Historically most babies were born to women under 25 years old and peak newborns survival occurred when mothers were aged 18 to 25 Both sexes become less fertile with age
More Less

Related notes for PSYC 4070

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.