Lecture 6 - Sexuality During Childhood and Adolescence

Lecture 6 - Sexuality During Childhood and Adolescence -...

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1 Sexuality During Childhood and Adolescence Sexual Behavior During Infancy and Childhood • Infant sexuality – Capacity for sexual response present from birth – Infants engage in self-pleasuring activity – Unable to differentiate sexual from sensual pleasure • Childhood sexuality – Normative behavior not well studied – Sexual behavior is normal part of development
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2 Sexual Behavior During Infancy and Childhood (cont.) • Childhood sexuality (cont.) – Masturbation starts at 2-3 years • Parental concerns – Sex play starts 4-7 years • Can be same or other sex…. Does not usually reflect sexual orientation – 5-7 year olds begin to enact marriage scripts – Interest in bodily changes starts at 10-11 Physical Changes of Adolescence • Puberty – reproductive organs mature – onset between 8 to 14 years – triggered by release of gonadotropins – signals testes and ovaries
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3 Physical Changes of Adolescence (cont.) Fig. 13.1 Hormonal changes during puberty, triggered by the influence of the hypothalamus over the pituitary gland, stimulate rapid growth and the development of secondary sex characteristics. Physical Changes of Adolescence (cont.) • Secondary sex characteristics – both sexes: pubic hair, growth spurt (2 yrs earlier in girls) – genitals enlarge – females: breast buds, voice changes – males: voice deepens, facial hair
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4 Physical Changes of Adolescence (cont.) • Primary sex characteristics – females: thicker vaginal walls, larger uterus, vaginal secretions; menarche around age 12 to 13; age has fallen steadily – males: larger prostate & seminal vesicles; 1st ejaculation around 13; voice changes
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This note was uploaded on 05/30/2010 for the course HDE HDE 12 taught by Professor Polen during the Spring '10 term at UC Davis.

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Lecture 6 - Sexuality During Childhood and Adolescence -...

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