Toward a unified field theory of libido and aggression: introducing Delta as the singular id dynamic in drive theory

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Although tension reduction is a key principle in drive theory, there are clear dynamic aspects of libido expression aimed at increased tension levels. In a paradigmatic shift from the Freudian conflict model, tension reduction and tension enhancement dynamics are re-conceptualized as valences toward the processes of tension reduction and tension enhancement, rather than toward the respective states of reduced tension or enhanced tension. We posit a unitary direction-independent foundational id drive toward tension level change which incorporates tension reduction and enhancement. As the primary drive circumscribed to manipulations of id tension level, the dynamics of Delta are distinguished from those of Eros and Thanatos whose purviews are in the domain of drive purpose/function (or evolutionary design) and also differentiated from the subjective phenomenological experience of drive expression which varies among people. Theoretical and clinical issues in sexuality and aggression are critically analyzed as entailing libidinal elements of tension enhancement and reduction. Key points are annotated with illustrative clinical vignettes. The intersections between Delta dynamics, ego psychology, and object relations are explored. Possible elaborations of sub-drive development entailing functional autonomy are outlined.