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Psych 225 Chapter 5
Terms in this set (30)
Psych 225 Chapter 5
age 2 until puberty
2-3" height, 5-6 lbs per year
bones grow and hardened
run faster and jump higher
hand eye coordination, fine motor, and reaction time all improve
Childhood health ( nutrition)
Well balanced diet-food preference/ picky eater
Childhood obesity (30-40% of us kids)
5-6 hours/day watching tv or on pc.
avrg kid sees 21 junk food commercials a day
Injuries in auto crash
Leading cause of childhood death
Childhood health and wellness ( Exercise)
promotes physical, cognitive, social well being
rapid & dramatic period of growth.
Rapid muscle development.
Increase in total body weight.
Adult height: girls (16), boys (18-20)
Biological changes during adolescence that lead to adult sized body and sexual maturity
Leading cause of death ( adolescence)
Unintentional injuries (motor vehicle accidents) & violence
Shedding the lining of the uterus prepared to support a fertilized egg.
Initially, may not occur in response to ovulation.
Average age= 12 1/2 earlier in countries with good nutrition
Secondary sex characteristics (female)
Breast & pubic hair development
Emmission of seminal fluid during "wet dream" or masturbation.
may contain viable sperm
Secondary sex characteristics (Male)
Growth of penis, testes, & scrotum; facial hair; pubic hair; voice changes
historical trend in industrialized societies toward early maturation and greater body size.
Size matter (of pelvis)
Heavy & tall girls mature earlier.
Regular strenuous exercise leads to later maturation.
Early puberty (male)
more socially competent, attractive, self assured
Possible earlier involvement in SA & bullying
Late Puberty (male)
= more disadvantageous.
More anxious, less self assured
Lower achievement test scores.
Less Likely to become involved in SA
View of puberty for females
Viewed negatively, body image issues
View of puberty for males
Viewed as a positive
Early puberty (females)
More teasing, lower self esteem.
More depression & anxiety, less accepted by peers.
Older peer group= problems ( dating, smoking, SA, early sexual behaviour)
Late puberty (Females)
Some anxiety, but academic advantages
The adult ( moving into the 40s)
Dry, wrinkled skin.
Thin and or graying hair.
Slower metabolism. (less fit than younger adults)
Most bodily systems show decline with age. Heart & Lung capacity, Temperature control, immune system, strength.
Cessation of menstruation.
Estrogen production declines.
Menopause (age range)
Hot flashes, vaginal dryness.
little anxiety, irritability, depression
Associated with decreased testosterone levels in men >50 years.
More gradual & less dramatic process than menopause.
Problems with libido, fatigue, erection, memory.
By 80 years men have less than 1/2 the testosterone they had at age 20
The aging brain
Characterized by gradual & mild degeneration. Not the same as Alzheimer's
5-30% fewer neurons than younger adult.
Greater loss in sensory & motor cortex
Loss of neurons means slower info processing
study of men
Nun's are living extremely long.
higher educated sisters lived longer and had a better quality of life.
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