Influence of presentation duration on filtering of irrelevant stimuli in visual working memory
BMC Psychology,
Год журнала:
2024,
Номер
12(1)
Опубликована: Сен. 2, 2024
In
environments
teeming
with
distractions,
the
ability
to
selectively
focus
on
relevant
information
is
crucial
for
advanced
cognitive
processing.
Existing
research
using
event-related
potential
(ERP)
technology
has
shown
active
suppression
of
irrelevant
stimuli
during
consolidation
phase
visual
working
memory
(VWM).
previous
studies,
participants
have
always
been
given
sufficient
time
consolidate
VWM,
while
suppressing
distracting
information.
However,
it
remains
unclear
whether
distractors
requires
continuous
effort
throughout
their
presence
or
this
only
necessary
after
task-relevant
To
address
question,
our
study
examines
distractor
in
scenarios
where
limited.
This
investigates
effect
varying
presentation
durations
filtering
VWM.
We
tasked
memorizing
two
color
and
ignoring
four
distractors,
presented
either
50
ms
200
ms.
Using
ERP
technology,
we
discovered
that
distractor-induced
positivity
(PD)
amplitude
larger
longer
compared
shorter
ones.
These
findings
underscore
significant
impact
duration
efficacy
as
prolonged
exposure
results
a
stronger
distractors.
sheds
light
temporal
dynamics
attention
memory,
emphasizing
critical
role
stimulus
timing
tasks.
provide
valuable
insights
into
mechanisms
underlying
VWM
implications
models
memory.
Язык: Английский
Dimension-based retro-cue benefit in working memory does not require unfocused dimension removal
Frontiers in Psychology,
Год журнала:
2024,
Номер
15
Опубликована: Ноя. 1, 2024
Within
the
maintenance
phase
of
visual
working
memory
(VWM),
previous
researchers
presented
retro-cues
orienting
to
a
probed
dimension
across
all
multidimension
stimuli
and
found
robust
dimension-based
retro-cue
benefit
(RCB):
VWM
performance
for
cued
was
better
than
no/neutral-cue
baseline.
This
improvement
is
often
attributed
prioritization
information
related
focused
removal
unfocused
from
VWM.
However,
it
remains
unclear
whether
uncued
necessary
observe
this
RCB.
Язык: Английский
Comparing retro-cue benefit mechanisms in visual working memory: completely valid vs. highly valid retro-cues
BMC Psychology,
Год журнала:
2024,
Номер
12(1)
Опубликована: Ноя. 7, 2024
Visual
working
memory
(VWM)
plays
a
crucial
role
in
temporarily
maintaining
and
manipulating
visual
information.
Retro-cue
benefit
(RCB)
refers
to
the
enhancement
of
performance
when
attention
is
directed
toward
subset
items
VWM
after
their
initial
encoding.
Our
recent
electroencephalogram
(EEG)
studies
indicate
that
cue
validity
affects
mechanisms
underlying
RCB
formation.
However,
previous
research
has
not
thoroughly
examined
whether
these
differ
between
completely
valid
highly
conditions.
This
study
investigates
consistency
under
conditions
complete
(100%)
high
(80%)
retro-cue
validity.
We
manipulated
cognitive
processing
different
using
EEG.
Specifically,
we
focused
on
N2pc
component,
which
reflects
attentional
resource
allocation,
contralateral
delay
activity
(CDA)
quantity
information
retained
VWM.
The
results,
encompassing
both
behavioral
event-related
potential
(ERP)
findings,
show
participants
100%
80%
exhibit
robust
RCB.
Notably,
degree
remains
consistent
across
conditions,
indicating
utilize
retro-cues
enhance
same
extent.
In
condition,
significant
cost
(RCC)
was
observed,
selectively
discarded
uncued
from
invalid
trials,
response
accuracy
drops
chance
levels,
supporting
removal
hypothesis.
ERP
results
reveal
allocation
(N2pc)
remain
uniform
mechanism
responsible
for
formation
appears
involve
an
all-or-nothing
process
discarding
rather
than
flexible
strategy.
provides
insights
into
information-processing
VWM,
suggesting
conclusions
drawn
tasks
with
can
be
integrated
findings
tasks.
These
also
illuminate
flexibility
internal
during
contribute
our
understanding
processes
Язык: Английский
The proactive and reactive mechanisms of learned spatial suppression
Cerebral Cortex,
Год журнала:
2024,
Номер
34(8)
Опубликована: Авг. 1, 2024
Abstract
Selection
history
refers
to
the
notion
that
previous
allocations
of
attention
or
suppression
have
potential
elicit
lingering
and
enduring
selection
biases
are
isolated
from
goal-driven
stimulus-driven
attention.
However,
in
singleton
detection
mode
task,
manipulating
distractors
cannot
give
rise
pure
proactive
inhibition.
Therefore,
we
employed
a
combination
working
memory
task
feature
search
simultaneously
recording
cortical
activity
using
EEG,
investigate
mechanisms
guided
by
history.
The
results
event-related
reaction
times
showed
an
enhanced
inhibitory
performance
when
distractor
was
presented
at
high-probability
location,
along
with
instances
where
target
appeared
location
distractors.
These
findings
demonstrate
generalized
inhibition
bias
is
learned
processed
independent
cognitive
resources,
which
supported
In
contrast,
reactive
rejection
toward
low-probability
evident
through
Pd
component
under
varying
resource
conditions.
Taken
together,
our
indicated
participants
whereas
involved
location.
Язык: Английский