Across the depth-psychology corpus, ‘awareness’ occupies a position of cardinal importance, functioning simultaneously as a therapeutic instrument, a neurobiological phenomenon, an epistemological category, and a soteriological goal. The literature fractures productively across at least four axes. The somatic-clinical tradition — represented by Levine, Fogel, Price, and Craig — treats awareness as embodied interoceptive attention: an emergent property of whole-body neural integration that is disrupted by trauma and recoverable through deliberate practice. The interpersonal-neuroscience tradition, exemplified by Siegel, situates awareness as the hub of a ‘Wheel’ whose rim encompasses all domains of mental life, from sensation to relational attunement, positing its cultivation as the basis of integration and psychological health. The contemplative stream — Nhat Hanh, Welwood, and the Tibetan tradition — understands awareness in its most radical form as nondual, objectless presence (rigpa, sati, Mahamudra), irreducible to any neural substrate, and identical with the ground of being itself. McGilchrist contributes a hemispheric analysis, distinguishing the right hemisphere’s open, ambient awareness from the left’s focal, analytical attention. The central tension running through all these strands concerns whether awareness is best understood as a faculty to be sharpened, a state to be recovered, or an ever-present ground to be recognized — a question that resists resolution but generates the field’s most productive dialogue.