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Historical Models of the Sexual Response Cycle
| Study | Description |
|---|---|
| Ellis (1906) | Two-stage process: Tumescence and detumescence |
| Masters & Johnson (1966) | Four-stage model: Excitement, plateau, orgasm, and resolution |
| Zuckerman(1971) | Two-stage model: Arousal as a parasympathetic process and orgasm as a sympathetic process |
| Kaplan (1977, 1979) | Triphasic model: Desire, excitement, and orgasm |
