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PSY240H1 (130)
Chapter 16

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Department
Psychology
Course
PSY240H1
Professor
Stephanie Cassin
Semester
Summer

Description
SEXUAL DYSFUNCTIONS SDset of disorders in which ppl have trouble engaging in and enjoying sexual relationships w other pploccasional problems w SD are common43 of F and 31 of M reported occasional SDThe Sexual Response Cycledivided into five phases Sexual Desire the urge to engage in any type of sexual activityArousal phase excitement psych experience of arousalpleasure and the physiological changes known as vasocongestion and myotonia vasocongestion filling of blood vesselstissues w blood also known as engorgementmales erection caused by increased blood into penis arteriesdecrease in penis blood outflowfemales causes clitoris to enlarge labia to swell and vagina to moistenmyotonia muscular tension during arousal many muscles in the body may become tense plateau phase excitement remains at a highsome ppl try to extent this period as long as possible before reaching orgasmarousalplateau phase tenseskin is flushedsalivation increasenostril flaresheart poundsheavy breathingoblivious to external eventsorgasm discharge of the neuromuscular tension built up during the excitementplateau phasesmales rhythmic contraction of the prostateseminal vesiclesvas deferensentire length of the penis and urethra accompanied by the ejaculation of semen refractory period follow ejaculation refractory period male cannot get another erectionorgasm regardless of typeintensity of sexual stimulationfemales rhythmic contraction of the orgasmic platformirregular contraction of uterus since they dont have a refractory period they are capable of multiple orgasms resolution after orgasm the entire musculature of the body relaxesmenwomen experience deep relaxationDifferences Between MenWomenwomen sexual arousal is more mental excitementless about awareness of genital changes than Mgreater variability in female response pattern than male refractory period for men and not for women DSMIV TR divides SD into 4 categories sexual desirearousalorgasmicpain disordersSexual Desire Disorderssexual desire how much a person wants to have sex manifested in sexual thoughtsfantasies interest in initiating activitiesa persons awareness of sexual cues from others lack of sexual desire most common complaint of ppl seeking sex therapyHypoactive Sexual Desire Disorderlittle desire for sexthey dont fantasize about sex or initiate sexual activity lack of sexual desire causes ppl marked distress and trouble w interpersonal relationshipsrare casesppl report never having had much interest in sexmost casesindividual used to enjoy sex but has lost interest despite a willing partnerdiagnoses a person receives focuses on the primary dysfunction rather than on the lack of desire that is the result of a primary dysfunctiongeneralized SDDperson who has had little desire for sexual most of hisher lifesituational SDDperson who lacks desire to have sex w hisher partner but fantasizes about otherslow sexual desire is one of the most common problems for which ppl seek treatmentLaumann et al 22 of F avg age 33 yrs and 5 of Mavg age 50 yrs reported low sexual desirewomen w HSDD more likely than men to report anxiety depression and life stressmore connected to problems in relationships for women than for menSexual Aversion Disorderactively avoid sexual activitieswhen they do engage in sex they may feel sickacute anxietywomenfrequently tied to sexual assault experiences Sexual Arousal Disordersdont experience the physiological changes that make up the excitementarousal phase of the sexual response cycle female SADrecurrent inability to attainmaintain the swellinglubrication response of sexual excitementmuch less is known about this than the male onecommon20 of women report difficulties w lubricationarousal during sexual activitymale erectile disorder impotencerecurrent inability to maintain an erection until the completion of sexmen w lifelong form of ED have never been able to sustain erections for a desired period of timemen w acquired form of ED were able to sustain erections in the past but no longer can 49 of men have problems sufficient to warrant a diagnoses of male EDOrgasmic Disorders
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