Lust-Ich

The Lust-Ich ("pleasure-ego") is Freud's term for a primitive, narcissistic configuration of the ego organized entirely around the pleasure principle: it takes into itself whatever it finds pleasurable and expels or disavows whatever is unpleasurable, identifying itself wholly with the satisfying object. In the context of the inverted vase schema deployed in this passage, the Lust-Ich is mapped onto i(a) — the ideal ego — understood as an imaginary envelopment of the object. Just as the inverted vase in the optical experiment "imaginarily surrounds" the flowers (the real object a), the Lust-Ich envelops the pleasurable object by fusing with it, taking it into itself, collapsing the distinction between self and satisfying-thing. This is a radically dyadic, pre-symbolic structure: there is no third term, no Other to introduce difference, negation, or law.

The theoretical move of the passage is to use this Freudian figure to sharpen the distinction between i(a)/ideal ego and i′(a)/ego-ideal. Where the Lust-Ich/i(a) is governed by imaginary identification — the ego constituting itself by engulfing whatever gratifies it — the ego ideal (i′(a)/I(A)) introduces the symbolic Other as a structural third, a point from which the subject is seen rather than a surface it can absorb. The Lust-Ich thus marks the extreme imaginary pole of ego-formation: the limit case of a subject that has not yet been subjected to the cut of the signifier, desire, or the Other's lack. Against ego-psychology's developmentalist reading of narcissism as a stage to be transcended, the passage positions the Lust-Ich structurally, as one pole of a schema in which the symbolic Other must intervene to produce the subject of desire.

Within the source (derek-hook-calum-neill-stijn-vanheule-reading-lacan-s-ecrits-from-the-freudian-t), the Lust-Ich appears as a Freudian anchor for the imaginary pole of the inverted vase schema. It is recruited to clarify i(a) — the ideal ego — as distinct from the ego ideal (I(A)), which is the symbolic, Other-dependent point of identification. The concept thus lives at the intersection of the imaginary register and narcissistic identification, serving as the pre-symbolic baseline against which the structuring intervention of the Other (and with it, desire, demand, and alienation) can be measured.

In relation to the cross-referenced canonicals, Lust-Ich is best understood as the structural condition that the operations of alienation and aphanisis have not yet touched. Where alienation names the forced passage through the Other's signifying chain that splits the subject, and aphanisis names the subject's constitutive fading behind the signifier, the Lust-Ich describes the imaginary fantasy of a subject prior to that split — an ego that is "full," seamlessly identified with pleasure, untroubled by the Other's lack or by desire's structural incompleteness. It is, in this sense, the imaginary support that the ego ideal and demand-structure progressively displace: the ego ideal (Ichideal) introduces the symbolic third that fractures the dyadic closure of the Lust-Ich, while desire — produced in the gap that the signifier opens — is precisely what the Lust-Ich's pleasure-logic cannot accommodate. The concept therefore functions in the corpus as a negative index: it marks the imaginary closure that the symbolic and the real perpetually undo.

Reading Lacan's Écrits: From 'The Freudian Thing' to 'Remarks on Daniel Lagache'Derek Hook, Calum Neill & Stijn Vanheule (eds.) · 2019 (page unknown)

If one thinks of Freud's description of the Lust-Ich, i(a) could be thought of as the sort of ego that takes into it whatever it finds pleasing, and simply identifies itself with the pleasurable: like the vase 'imaginarily' surrounding the flowers here.

The phrase "takes into it whatever it finds pleasing, and simply identifies itself with the pleasurable" condenses the two operations that define the Lust-Ich: introjection (taking in) and narcissistic identification (becoming the pleasurable object), and the optical metaphor — the vase "imaginarily surrounding the flowers" — maps this precisely onto i(a) as an imaginary envelopment of the real object a, making the collapse of subject-object distinction structural rather than merely developmental.