Involvement of physiological reactivity and interoception in emotional experience after a traumatic brain injury
Brain Injury,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 12
Published: April 13, 2025
Emotional
experience
is
based,
among
other
factors,
on
physiological
reactivity
(PR)
and
the
awareness
of
this
corresponding
to
interoception.
After
a
traumatic
brain
injury
(TBI),
patients
exhibit
reduced
PR
interoception,
raising
questions
about
integrity
their
emotional
experience.
To
examine
issue,
26
men
with
moderate
severe
TBI
(age:
37
±
11)
healthy
male
controls
35
14)
watched
films
(amusement,
tenderness,
anger,
disgust).
was
measured
via
electrodermal
activity
(EDA)
heart
rate
variability
(HRV).
each
film,
an
evaluation
completed
using
Differential
Scale
(DES).
Interoception
through
heartbeat
counting
(HBC)
task
Multidimensional
Assessment
Interoceptive
Awareness
(MAIA)
questionnaire.
Compared
controls,
participants
scored
lower
MAIA
Noticing
subscales,
exhibited
EDA
HRV
during
anger
tenderness
films.
However,
evaluations
HBC
scores
were
similar
between
groups.
Positive
correlations
found
scale.
These
results
suggest
dissociation
after
decreased
interoceptive
sensitivity.
Since
interoception
links
experience,
exploring
impact
could
improve
our
understanding
post-TBI
functioning.
Language: Английский
Interoception after frontal brain injury: A systematic review
Journal of the International Neuropsychological Society,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 10
Published: April 25, 2025
Abstract
Objective:
Interoception
is
crucial
for
emotional
processing.
It
relies
on
the
bidirectional
connections
between
insula,
a
structure
in
interoception,
and
frontal
lobe,
which
implicated
experiences.
Acquired
brain
injury
often
leads
to
disorders.
Our
goal
was
explore
interoceptive
profiles
of
patients
with
lesions
or
without
insular
involvement.
Method:
Given
neuroanatomical
links
interoception
emotions,
we
conducted
systematic
Preferred
Reporting
Items
Systematic
Reviews
Meta-analyses
guided
review
studies
assessing
at
least
one
dimension
adults
acquired
injuries,
associated
lesions.
Results:
Seven
articles
were
included.
The
indicated
that
accuracy
declines
after
injuries.
two
investigated
sensitivity
found
lower
scores
patient
groups.
Finally,
inconsistent
results
metacognition
damage.
Conclusions:
This
first
disorders
injury.
findings
reveal
deficits
cardiac
following
Inconsistent
observed
metacognition.
Further
research
needed
confirm
presence
lesion.
Additionally,
relationship
disorders,
reported
injury,
should
be
investigated.
Language: Английский