noun
abreaction
A technical term in psychology/psychiatry for the release of repressed emotions through reliving a traumatic experience, often in therapy.
カウンセリング中に解除反応が起こることがある。
Abreaction can occur during counseling.
カタルシス is a broader term for emotional purification or relief, while 解除反応 specifically refers to the therapeutic release of repressed trauma.
Compound of 解除 (release, cancellation) and 反応 (reaction), likely a direct translation of the English psychological term 'abreaction'.