Pre-stimulus microstates and bodily signals independently influence perceptual awareness at the discrimination threshold
Abstract
Perceptual
awareness
of
threshold
or
multi-stable
stimuli
varies
with
the
pre-stimulus
global
state
brain
as
indexed
by
EEG
microstates.
Similarly,
also
cyclic
fluctuations
visceral
signals
across
cardiac
and
respiratory
cycle.
It
remains
to
be
investigated
whether
momentary
contributes
jointly
independently
bodily
phase.
We
used
an
orientation
discrimination
task
determine
what
degree
subjective
a
visual
stimulus
varied
microstate,
phase
body
exerted
joint
independent
influence
on
awareness.
compared
microstates
preceding
correct
aware
unaware
trials
for
Our
findings
indicate
that
canonical
Microstate
D
was
more
prevalent
in
condition,
A
accounted
variance
during
inhalation
exhalation.
The
activation
D,
which
is
anticorrelated
attentional
networks
preceded
not
perceived.
Inhalation
instead
associated
A,
suggesting
increased
arousal
this
However,
we
observed
no
interaction
between
awareness,
states
exert
perceptual
at
threshold.
Published: May 15, 2025
Language: Английский