PSY 103

• Sexual Differentiation:
• The principle class of male sex hormones.
• Both classes of hormones are found in both genders but in different proportions. 

• Sexual Differentiation:
• The sex glands

• Sexual Differentiation:
• The principle class of female sex hormones.
• Both classes of hormones can be found in both genders but in different proportions.

• Females first occurrence of menstruation.
• (occurs around ages 12-13)

• Males first ejaculation.
• No clear-cut age

• Hermaphrodites
• Incomplete Sexual Differentation
• Born with ambiguous genitals, sex organs, or sex chromosomes.
•  

• Absolutism- No sex outside of marriage
• Relativism- Relationship determines sexual activity
• Hedonism- Anything Goes

“Those whose sense of themselves as gender people is incongruent with their gender at birth."

“People who see themselves as members of the opposite sex and desire a sex change."

• 1) Sexual Orientation- one’s preference for emotional and sexual relationships (heterosexual, homosexual, or bisexual)
• 2)Body Image- how one sees themself physically
• 3)Sexual Values and Ethics
• 4)Erotic Preference- attitude toward self-stimulation (oral, intercourse, or other sexual activities).

Complex set of personal qualities that guides one’s sexual behavior. 

• Fear of pregnacy
• Negative message about sex and men- “men only want one thing”
• Women experience periods, fear of penetration
• Guilt

• 1)Men have more interest in sex
• 2)The connection between sex and intimacy is more important for women
• 3)Men are more aggressive, initiation
• 4)Women are more easily shaped by cultural and situational factors
• 5)Men are the initiators and Women are the “gatekeepers"

Impairments in sexual functioning that cause subjective distress.

• When a man is persistently unable to achieve or maintain an erection adequate for intercourse.
• Over the age of 57, 37% of males have this problem 

Occurs when sexual relations are impaired because a man consistently reaches orgasm too quickly.

Occurs when people experience sexual arousal but have persistent problems in achieving orgasm.

Involves professional treatment for sexual disfunctions.

• An experience in which partners take turns pleasuring each other while giving guided verbal feedback and in which certain kinds of stimulation are temporarily forbidden. 
• Avoiding intercourse relives the male of the pressure to perform.

The lack of interest in sexual activities.

• 1)Pursue adequate sex education
• 2)Review your sexual values system
• 3)Communicate about sex
• 4)Avoid goal setting
• 5)Enjoy your sexual fantasies
• 6)Be selective about sex

Areas of the body that are sexually sensitive or responsive.

A time following a male orgasm during which males are largely unresponsive to further stimulation.

• Engorgement of blood vessels
• Produces penile erection

• Excitement Phase
• Plateau Phase
• Orgasm Phase
• Resolution Phase

Involves putting the penis in the vagina and pelvic thrusting.