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出典:Wiktionary
First mentions in 1940 by two Dutch researchers Nikolaas Tinbergen and Adriaan Kortlandt
displacement activity (複数形 displacement activities)
出典:Wikipedia
出典:『Wikipedia』 (2011/05/13 18:03 UTC 版)
A displacement activity is the result of two contradicting instincts in a particular situation. Birds, for example, may peck at grass when uncertain whether to attack or flee from an opponent; similarly, a human may scratch his or her head when they do not know which of two options to choose.
displacement activity