Theones, data, methodological and conceptual problems concerning the study of gender differences m the development of defenses, emotional expression, recognition, and expenences are reviewed Data indicate gender differences m several areas of emotional functioning, including nonverbal sensitivity, expressiveness, self-reports of anger, fear, and sadness, the quality of defenses, and cognitive correlates of recognition abilities Studies suggest that with development, boys increasingly inhibit the expression and attribution of most emotions, whereas girls increasingly inhibit the expression and recognition of socially unacceptable emotions, e g , anger These differences may be a function of different socialization processes for males and females, which may be adaptations to innate gender differences in temperament, or adaptations to existing sociocultural pressuresThe present paper argues that emotions motivate and regulate adaptive behaviors, and that researchers must explore gender differences in emotional development as a function of different familial, sociocultural, and interpersonal roles to which males and females must adapt Regardless ofthe relative emphasis placed on the social, cognitive, or biological determinants of emotion, the hypothesis that emotional expression, recognition, and experiences may differ dramatically for the two sexes is implicit in almost every tbeory of emotional development (cf Brenner, 1980, Chodorow, 1978, Izard, 1971, Kemper, 1978a and b. Miller, 1976 This hypothesis has important implications for theories about emotional change (including theories about psychotherapy), for theories about psychopathology, and for more general theories about personahty development For example, most personality theonsts view emotions as either subsystems of, or as the primary determinants of, other aspects of personality func-I would like to thank Ross Buck, Joseph G Cunningham, Bnnton Lykes, Abigail Stewart, Anne Thompson, Kathleen White, and an anonymous reviewer for their thoughtful comments and cntiques of this manuscript I would also especially like to thank Abigail Stewart for her patience and encouragement m waiting for the final version of this manuscript, and Louise True for her perseverance and help in typing the many revisions this manuscnpt underwent Requests for repnnts should be sent to Leslie R Brody,