PSYCH 380 Lecture Notes - Lecture 17: Hypoactive Sexual Desire Disorder, Sexual Dysfunction, Dysphoria

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Sexual Dysfunctions:
As many as 31% of men and 43% of women in the U.S suffer from such sexual dysfunction in
their lives
Human sexual response can be described with a cycle of 4 phases:
Disorders of Desire:
Male hypoactive sexual desire disorder
Female sexual interest/arousal disorder
For at least 6 months
Significant distress
Disorders of Excitement:
Female sexuale arousal disorder (frigiditity)
Male erectile disorder ED (impotence)
Characterized by persistent inability to attain or maintain an adequate
10% of male population
At least ½ of all adult men have erectile difficulty during intercourse at
least once
Biological Causes-
lack of hormones
Sex drive can also be lowered by some medications
Disorders of Orgasm
Early ejaculation
30% of men will experience this
Delayed ejaculation
8% of male population
Female orgasmic disorder
Persistent delay in or absence of orgasm
Biological/Psychological Causes:
Medications and illegal substances
Sexual urges, fantasies, or behaviors that involve:
Non humans
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