Concurrent Assessment of Penile Blood Flow and Circumference as Indicators of Male Sexual Arousal
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Notice bibliographique
Résumé
INTRODUCTION: The current study aims to validate a new imaging tool to assess men's sexual psychophysiological responding: laser Doppler imaging (LDI), which directly measures subcutaneous genital blood flow. In this study, we concurrently assessed genital sexual arousal in a sample of men using the LDI and the current gold standard of male sexual psychophysiology, the penile strain gauge (PSG). AIM: To (i) assess the validity of the LDI as a measure of male sexual arousal, (ii) evaluate the relationship between the LDI and PSG, and (iii) compare sexual concordance produced by the LDI and PSG. METHODS: = 24.28 years, SD = 6.10, range 18-37) watched 4 experimental films (ie, anxiety-provoking, humorous, erotic, neutral nature content) while their sexual arousal was assessed. Genital sexual arousal was assessed using the LDI (blood perfusion) and PSG (penile tumescence) concurrently. Subjective sexual arousal was assessed using continuous and discrete self-reported measures. MAIN OUTCOME MEASURE: Results demonstrate the validity of the LDI as an imaging-based measure of male genital arousal, and one that is comparable to the PSG. RESULTS: = .43). A moderate, positive correlation between genital arousal measured via the LDI and PSG concurrently was observed (r = .40), despite considerable across-participant variability. In the current sample, the LDI and PSG both produced strong sexual concordance estimates (r = .51 and r = .46, respectively). When all LDI and PSG concordance estimates were correlated, a moderate relationship was revealed (r = .37). CLINICAL IMPLICATIONS: As a new imaging tool for male sexual psychophysiological arousal, the LDI holds promise for improving our understanding of issues related to men's sexual health. STRENGTH & LIMITATIONS: Movement artifacts produced by penile engorgement were a limitation to the LDI as an imaging technique. Further, the LDI used in the current study was a discrete measure of arousal, whereas the PSG was continuous; future research would benefit by using continuous measurement capabilities of contemporary LDI systems. CONCLUSION: As a valid measure of genital sexual arousal in men, the LDI holds promise as a tool that can be used to explore more nuanced questions about human sexuality, including cross-gender comparisons and real-time exploration of genital arousal patterns. Bossio JA, Singh M, Pukall CF. Concurrent assessment of penile blood flow and circumference as indicators of male sexual arousal. J Sex Med 2018;15:1570-1578.
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Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,001 | 0,001 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,001 | 0,000 |
| Bibliométrie | 0,000 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,001 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,001 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découle