[Solved] Research indicates that there are no large gender differences in the A)incidence of masturbation. B)attitudes about casual sex. C)level of arousal to erotic materials. D)consistency with which men and women orgasm. Gerontologists: Specialists who study aging and the various aspects affecting older adults, including the biological, psychological, and social changes. Intimacy: The feeling of being emotionally close to and connected with someone, often involving a sense of sharing and support. Isolation: The experience of being separated from others, which can be physical, social, or emotional in nature. Lonely: Experiencing a feeling of sadness or isolation due to a lack of companionship or separation from others.