1. Are Humans Cooperative Breeders? A Call for Research

   • Clara B. Jones

   Letter to the Editor 22 February 2011 Pages: 479 - 481

2. Yet Another Paraphilia Definition Fails

   • Charles Moser

   Letter to the Editor 06 January 2011 Pages: 483 - 485

3. The Proposed Diagnosis of Hypersexual Disorder for Inclusion in DSM-5: Unnecessary and Harmful

   • Abraham L. Halpern

   Letter to the Editor 20 January 2011 Pages: 487 - 488

4. Response to Halpern (2011)

   • Martin P. Kafka
   • Richard B. Krueger

   Letter to the Editor 17 March 2011 Pages: 489 - 490

5. Cylindrical Glue Container into Bladder Due to Sexual Practice

   • Miguel Angel Arrabal-Polo
   • Victor Lopez-Leon
   • Armando Zuluaga-Gomez

   Letter to the Editor 15 February 2011 Pages: 491 - 492

   

6. Padlock in Scrotum in a Patient with Paranoid Schizophrenia

   • Sergio Merino-Salas
   • Miguel Angel Arrabal-Polo
   • Armando Zuluaga-Gomez

   Letter to the Editor 25 February 2011 Pages: 493 - 494

   

7. Male Sexual Orientation in Independent Samoa: Evidence for Fraternal Birth Order and Maternal Fecundity Effects

   • Doug P. VanderLaan
   • Paul L. Vasey

   Original Paper 29 December 2009 Pages: 495 - 503

8. Birth Order and Ratio of Brothers to Sisters in Spanish Transsexuals

   • Esther Gómez-Gil
   • Isabel Esteva
   • Antonio Guillamon

   Original Paper 16 March 2010 Pages: 505 - 510

9. Traits of Separation Anxiety in Childhood: A Retrospective Study of Samoan Men, Women, and Fa’afafine

   • Paul L. Vasey
   • Doug P. VanderLaan
   • Nancy H. Bartlett

   Original Paper 15 December 2009 Pages: 511 - 517

10. Stability and Change in Self-Reported Sexual Orientation Identity in Young People: Application of Mobility Metrics

    • Miles Q. Ott
    • Heather L. Corliss
    • S. Bryn Austin

    ORIGINAL PAPER 02 December 2010 Pages: 519 - 532

    

11. Sex and Sexual Orientation Differences in Personality in China

    • Lijun Zheng
    • Richard A. Lippa
    • Yong Zheng

    Original Paper 16 November 2010 Pages: 533 - 541

12. The Impact of Gendered Friendship Patterns on the Prevalence of Homophobia Among Belgian Late Adolescents

    • Marc Hooghe

    Original Paper 16 June 2010 Pages: 543 - 550

    

13. Voice Correlates of Mating Success in Men: Examining “Contests” Versus “Mate Choice” Modes of Sexual Selection

    • Carolyn R. Hodges-Simeon
    • Steven J. C. Gaulin
    • David A. Puts

    Original Paper 06 April 2010 Pages: 551 - 557

    

14. Evidence to Suggest that Copulatory Vocalizations in Women Are Not a Reflexive Consequence of Orgasm

    • Gayle Brewer
    • Colin A. Hendrie

    Original Paper 18 May 2010 Pages: 559 - 564

    

15. Short- and Long-Term Relationship Orientation and 2D:4D Finger-Length Ratio

    • Sascha Schwarz
    • Maida Mustafić
    • Johannes Jörg

    Original Paper 10 November 2010 Pages: 565 - 574

    

16. The Relationship Between Second to Fourth Digit Ratio, Spatial Cognition, and Virtual Navigation

    • Nicole T. Nowak
    • Scott D. Moffat

    Original Paper 31 August 2010 Pages: 575 - 585

    

17. The Association Between 2D:4D Ratios and Sociosexuality: A Failure to Replicate

    • Nora E. Charles
    • Gerianne M. Alexander

    ORIGINAL PAPER 04 January 2011 Pages: 587 - 595

18. Recreational Use of Erectile Dysfunction Medications in Undergraduate Men in the United States: Characteristics and Associated Risk Factors

    • Christopher B. Harte
    • Cindy M. Meston

    Original Paper 01 April 2010 Pages: 597 - 606

19. The Association Between Sexual Motives and Sexual Satisfaction: Gender Differences and Categorical Comparisons

    • Kyle R. Stephenson
    • Tierney K. Ahrold
    • Cindy M. Meston

    ORIGINAL PAPER 22 October 2010 Pages: 607 - 618

20. The Relationship Among Sexual Attitudes, Sexual Fantasy, and Religiosity

    • Tierney K. Ahrold
    • Melissa Farmer
    • Cindy M. Meston

    Original Paper 03 April 2010 Pages: 619 - 630

21. Evaluation of Sexual Function in Men with Orchialgia

    • Halil Ciftci
    • Murat Savas
    • Ufuk Topal

    Original Paper 03 February 2011 Pages: 631 - 634

22. Male Gender Identity in Complete Androgen Insensitivity Syndrome

    • Guy T’Sjoen
    • Griet De Cuypere
    • Martine Cools

    Clinical Case Report Series 01 April 2010 Pages: 635 - 638

    

23. Feederism in a Woman

    • Lesley L. Terry
    • Paul L. Vasey

    Clinical Case Report Series 30 December 2009 Pages: 639 - 645

    

24. Erratum to: Cognitive Representations of Sexual Self Differ as a Function of Gender and Sexual Debut

    • Kristen P. Lindgren
    • Rebecca L. Schacht
    • Jessica A. Blayney

    Erratum 02 October 2009 Pages: 647 - 647