Empathy occupies a contested and multiply-theorized position across the depth-psychology corpus. Its treatment spans at least four distinct registers. In the clinical tradition stemming from Kohut and carried into Jungian work by Sedgwick, empathy is construed as the primary instrument of therapeutic healing — a rigorous, active, projective-receptive process requiring endless learning, not a soft sentiment. Flores and Wampold, working from attachment and common-factors frameworks respectively, situate empathy as a structural condition of the therapeutic alliance, demonstrating its documented correlation with positive treatment outcomes. A second register, represented by Schwartz and IFS literature, introduces a neurological distinction between empathy and compassion, arguing that empathy activates pain circuitry while compassion activates reward circuitry — a finding that materially shapes clinical technique. A third register, anchored in cognitive neuroscience (Burnett, Schore, Thompson), grounds empathy in mirror-neuron networks, developmental affect regulation, and the capacity for shared emotional states even absent shared sensory experience. Finally, Samuels, foregrounding Kohut, insists that the very concept of an inner psychological life is unintelligible without empathic-introspective method, making empathy epistemologically foundational rather than merely clinically useful. The tension between empathy as therapeutic attitude, as neurobiological capacity, and as epistemological method gives the concordance entry its distinctive depth.