NeuroImage,
Год журнала:
2024,
Номер
303, С. 120916 - 120916
Опубликована: Ноя. 5, 2024
The
sleep
spindle-generating
thalamo-cortical
circuitry
supports
attention
capacity
in
awake
humans
and
animals,
but
using
spindles
to
predict
differences
has
not
been
tried
either.
Of
the
more
commonly
examined
cognitive
correlates
of
spindle
occurrence
amplitude,
post-sleep
recall,
general
intelligence,
only
recall
had
studied
dogs,
rats
mice.
Here,
we
a
sample
companion
dogs
(N
=
58)
for
whom
polysomnographic
recordings
several
tests
were
performed
on
two
occasions
each,
with
three-month
break
in-between.
Five
used
extract
factor
analogous
human
g
(general
mental
ability).
A
sixth
test
battery
measured
sustained
attention.
Both
g-factor
scores
linked
higher
slow
absolute
sigma
power
detected
over
central
electrode.
These
effects
persisted
across
measurement
occasions.
Higher
intrinsic
frequency
was,
turn,
lower
displayed
no
relationship
scores.
overlap
localization
direction
density
(spindles/minute)
that
they
tap
into
same
underlying
cognition-relevant
aspects
spindling.
Given
earlier
large
meta-analysis
validations
as
reliable
predictor
performance
humans,
thus
conclude
currently
handled
method
quantifying
indeed
measures
activity
by
virtue
its
agreement
alternative.
Efforts
to
counteract
age-related
decline
have
resulted
in
the
emergence
of
various
interventions.
However,
everyday
benefits
are
rarely
reported
elderly
people.
Dogs
provide
an
excellent
model
for
studying
aging
and
interventions
due
their
similarities
humans.
Our
aim
was
investigate
whether
a
combined
physical
cognitive
intervention
(most
effective
humans)
could
enhance
performance
pet
dogs
lead
far
transfer
effects
(improvement
not
just
trained
specific
task).
We
examined
impact
three-month-long
therapies
(cognitive,
physical,
combined)
on
behaviour
old,
healthy
(N
=
72;
aged
7.68-14.54
years)
using
12-subtest
behavioural
test
battery.
did
find
group
outperforming
either
cognitive-only
or
physical-only
therapy
groups.
Physical
interventions,
alone
combination,
improved
dogs'
flexibility
social
behaviour.
Cognitive
increased
neophilia.
Furthermore,
all
made
more
engaged
with
environment.
Moreover,
less
around
eight
years
old
dogs,
exhibited
behaviour,
problem
solving
ability,
neophilia
by
second
occasion.
Additionally,
influenced
health,
training,
daily
play
owner,
activity/excitability
traits.
In
sum,
both
can
dogs.
these
may
be
when
longer
applied
at
younger
age,
as
older
were
likely
show
improvement.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 26, 2024
Cognitive
test
batteries
suggest
that
adult
dogs
have
different
types
of
cognitive
abilities
vary
independently.
In
the
current
study,
we
tested
puppies
repeatedly
over
a
crucial
period
development
to
explore
timing
and
rate
at
which
these
skills
develop.
Service
dog
(n
=
113),
raised
using
two
socialization
strategies,
were
either
longitudinally
=91)
or
single
time
point
22).
Subjects
participated
in
battery
every
weeks
during
just
beyond
their
final
rapid
brain
growth
(from
approximately
8-20
age).
Control
only
once,
allowed
us
evaluate
impact
repeated
testing.
support
multiple
intelligences
hypothesis
(MIH),
emerged
points
across
testing
period,
not
simultaneously.
Maturational
patterns
also
varied
between
skills,
with
showing
adult-like
performance
on
some
tasks
after
skill
emerged,
while
never
achieving
others.
Differences
rearing
strategy
did
lead
differences
developmental
while,
cases,
did.
Overall,
our
findings
provide
strong
for
MIH
by
demonstrating
differentiated
tested.
