Multimodality in the Collicular Pathway: Towards Compensatory Visual Processes
Cells,
Journal Year:
2025,
Volume and Issue:
14(9), P. 635 - 635
Published: April 25, 2025
The
integration
of
multisensory
inputs
plays
a
crucial
role
in
shaping
perception
and
behavior,
particularly
the
visual
system.
collicular
pathway,
encompassing
optic
tectum
non-mammalian
vertebrates
superior
colliculus
(SC)
mammals,
is
key
hub
for
integrating
sensory
information
mediating
adaptive
motor
responses.
Comparative
studies
across
species
reveal
evolutionary
adaptations
that
enhance
processing
contribute
to
compensatory
mechanisms
following
neuronal
injury.
present
review
outlines
structure
function
pathways,
emphasizing
retinocollicular
projections,
their
integration,
which
depends
on
synaptic
convergence
afferents
conveying
from
different
modalities.
cellular
underlying
multimodal
remain
be
fully
clarified,
further
investigations
are
needed
clarify
link
between
activity
response
stimulation
behavioral
involving
activity.
By
exploring
interplay
fundamental
neuroscience
translational
applications,
we
aim
address
as
pivotal
target
its
potential
rehabilitation
strategies.
Language: Английский
Unravelling the multisensory learning advantage: Different patterns of within and across frequency-specific interactions drive uni- and multisensory neuroplasticity
NeuroImage,
Journal Year:
2024,
Volume and Issue:
291, P. 120582 - 120582
Published: March 22, 2024
In
the
field
of
learning
theory
and
practice,
superior
efficacy
multisensory
over
uni-sensory
is
well-accepted.
However,
underlying
neural
mechanisms
at
macro-level
human
brain
remain
largely
unexplored.
This
study
addresses
this
gap
by
providing
novel
empirical
evidence
a
theoretical
framework
for
understanding
superiority
learning.
Through
cognitive,
behavioral,
electroencephalographic
assessment
carefully
controlled
training
interventions,
our
uncovers
fundamental
distinction
in
their
neuroplastic
patterns.
A
multilayered
network
analysis
pre-
post-
EEG
data
allowed
us
to
model
connectivity
within
across
different
frequency
bands
cortical
level.
Pre-training
unveils
complex
distributed
sources
communicating
through
cross-frequency
coupling,
while
comparison
post-training
demonstrates
significant
differences
reorganizational
patterns
Uni-sensory
primarily
modifies
coupling
between
lower
higher
frequencies,
whereas
induces
changes
beta
band
more
focused
network,
implying
development
unified
representation
audiovisual
stimuli.
combination
with
behavioural
cognitive
findings
suggests
that,
benefits
from
an
automatic
top-down
transfer
training,
relies
mainly
on
limited
bottom-up
generalization.
Our
offer
compelling
advantage
Language: Английский
Auditory feedback effect of self-pacing treadmill walking in comparison to overground walking
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 29, 2024
Self-pacing
treadmills
provide
advantages
for
assessing
locomotion,
but
there
are
differences
between
gait
patterns
in
overground
and
treadmill
paradigms.
A
potential
explanation
could
be
that
the
variable
auditory
sound
from
belt
motors
when
changing
speed
provides
artificial
sensory
feedback
to
walkers
may
influence
their
motor
output
while
on
self-pacing
treadmill.
We
hypothesized
would
significantly
different
temporal
measures
no-sound
conditions,
these
same
condition
similar
walking.
Participants
(n=29)
walked
under
three
conditions
five-minute
periods
each:
with
inclusion,
exclusion,
Significant
were
found
variability
of
all
walking
measurements
both
(p
<
0.05).
Effects
not
observed.
The
lack
difference
two
suggests
utilize
sounds
available
them.
Additionally,
still
has
compared
walking,
so
other
sources
should
explored
future
work.
Given
had
overground,
considerations
using
as
an
alternative
taken
studying
human
locomotion.
Language: Английский