https://100years.tavistockandportman.nhs.uk/timeline/the-core-complex/?v=79cba1185463
At the heart of Glasser’s (1979) concept of the core complex is a universal developmental step which deals with a child’s anxieties of abandonment and engulfment during early separation and individuation from their mother. Faced with this the individual either withdraws, experiencing tremendous isolation and feelings of abandonment, or reacts aggressively in fantasy or reality against the object in an effort to preserve the self. Aggression is a central component of the core complex. The annihilatory fear of a loss of separate existence provokes an intense aggressive reaction on the part of the ego. The Core Complex, therefore, describes a way of relating to significant others through sexualisation. This eroticised aggression towards the object is inevitably expressed through masochistic and sadistic behaviours.
anyone considering sexual deviance should keep in mind the distinction between a true perversion and the deviant elements which may feature in the sexual life of normal people or people suffering from various forms of disturbance / [argue that] the perversions should be identified by the specific nature of [a global structure involving the individual's whole personality] rather than any manifest sexual activity / exploration of this global structure of the perversions shows it to be enormously complex, with numerous elements dynamically held together to form 'component complexes' which themselves are dynamically inter-related to each other at the centre of this structure is such a component complex which we may refer to as the 'core complex' because it is fundamental to the pervert's psychopathology and substantially influences all the other component complexes / [discuss] the interrelated dimensions of the core complex and psychic homeostasis and [examine] how aggression in these contexts make a fundamental contribution to the nature and structure of the perversions / distinguish 'aggression' and 'sadism' on the nature of aggression / the establishment of the specific predisposition to perversions / aggression and the super-ego in the perversions (PsycINFO Database Record (c) 2019 APA, all rights reserved)
https://psycnet.apa.org/record/1996-98879-012
Cf.
https://pubmed.ncbi.nlm.nih.gov/1399282/
https://www.acat.me.uk/reformulation.php?issue_id=18&article_id=275
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