A study by the Harvard Medical School
investigated what happens to the grey matter of the brain before and
after a person takes part in a mindfulness-based stress reduction course
(MSBR). MBSR
is a rigorous program involving focused attention and awareness
training achieved through a variety of seated and laying down exercises
and the mindfulness of everyday activities.
Participants
spent eight weeks training their brain, and practicing mindfulness
throughout their day for an average of 30 minutes. The results are
impressive.
This study joins an extensive body
of research that shows a person can train their brain to increase their
psychological health and well-being.
Just like a muscle, repeatedly activating areas of the brain through
focused attention training increases grey matter and improves the
networks of neural systems. It doesn’t just grow your brain, it
strengthens it too.
Researchers found that
completing these focused attention and awareness exercises significantly
impacted the hippocampus, the temporoparietal junction (TPJ), posterior
cingulate cortex (PCC), and the cerebellum.
What do these parts of the brain do?
The
hippocampus improves regulating emotional responses, the consolidation
of information for short- and long-term memory, and spatial navigation.
Meanwhile, a decrease in the density or volume of the hippocampus is
linked to pathological conditions like depression and post-traumatic stress disorder.
The
TPJ involves social cognition, the awareness of the desires, intentions
and goals of other people. So training the TPJ increased feelings of
compassion.
The PCC plays an important role in
reference your self, like remembering the past and thinking about the
future, as well as conceiving the viewpoint of others.
The
cerebellum affects sensory perception, coordination, and motor control.
But it also plays a crucial role regulating behaviours. The cerebellum
influences the speed, capacity, and consistency of emotion and cognition
as well as their social appropriateness. A hindered cerebellum often
leads to a host of behavioural abnormalities including anxiety,
depression and sleep dysfunction.
All these
areas saw improved density and structural changes. What’s more, it seems
to stay that way. Structural changes in the hippocampus were detectable
eight weeks following the end of the study. So the improvements last
even after the training ends.
The study builds
on a large body of research that shows attention training, meditation
and other mindfulness-based interventions benefit the mind. Mindfulness improves a person’s well-being while reducing the symptoms of disorders like anxiety, depression, and more.
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