Last Updated：2025/12/05
A temporal perceptual illusion that can arise when observers judge the elapsed time between sensory stimuli applied sequentially at different locations. Subjects tend to overestimate the time between stimuli when the distance between the stimuli is large, and to underestimate the time when the distance is small.
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kappa effect
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Source Word
kappa effect
Noun
A
temporal
perceptual
illusion
that
can
arise
when
observers
judge
the
elapsed
time
between
sensory
stimuli
applied
sequentially
at
different
locations.
Subjects
tend
to
overestimate
the
time
between
stimuli
when
the
distance
between
the
stimuli
is
large,
and
to
underestimate
the
time
when
the
distance
is
small.
Japanese Meaning
異なる位置で順に提示される感覚刺激間の経過時間の知覚において、刺激間の距離が大きいと時間が長く感じ、小さいと短く感じるという錯覚（時間知覚の誤認）
Sense（1）
A
temporal
perceptual
illusion
that
can
arise
when
observers
judge
the
elapsed
time
between
sensory
stimuli
applied
sequentially
at
different
locations.
Subjects
tend
to
overestimate
the
time
between
stimuli
when
the
distance
between
the
stimuli
is
large,
and
to
underestimate
the
time
when
the
distance
is
small.
（ plural ）
