noun
mental phenomenon; psychological phenomenon
A technical or academic term referring to any observable event or process of the mind, such as thoughts, emotions, or perceptions.
心理学では、夢や記憶も精神現象として扱われる。
In psychology, dreams and memories are also treated as mental phenomena.
この論文は、意識と無意識の精神現象を比較している。
This paper compares conscious and unconscious psychological phenomena.
心理現象 is more specifically about psychological processes studied in psychology, while 精神現象 can have a broader philosophical or psychiatric nuance.
Compound of 精神 (mind, spirit) and 現象 (phenomenon). The exact historical derivation is uncertain, but the term follows standard Sino-Japanese word formation patterns.