noun
Technical term in psychology referring to the interplay of conscious and unconscious mental forces.
精神力動の理論はフロイトに始まる。
The theory of psychodynamics originated with Freud.
この治療法は精神力動に基づいている。
This therapy is based on psychodynamics.
精神分析 (psychoanalysis) is a specific therapeutic method, while 精神力動 is the broader theoretical framework of mental dynamics.
Compound of 精神 (mind, psyche) and 力動 (dynamics, from 力 'force' and 動 'movement'), likely a calque of English 'psychodynamics'.