You will notice it doesn't say anything about recovery, only 'increased neuronal activity'. That is a huge red flag stating that this hasn't proven anything.
http://www.jewishvoiceny.com/index.php?option=com_content&view=article&id=3022:tau-research-team-discovers-new-treatment-for-stroke&catid=114:parsha&Itemid=297
A doctor at Tel Aviv University has come up with a new treatment for
stroke and other issues that can restore significant neurological
function even years after the initial event.
Dr. Shai Efrati, a member of TAU’s Sackler Faculty of Medicine,
theorized that high levels of oxygen could reinvigorate dormant neurons
in brain tissue chronically damaged by stroke, traumatic brain injury
and metabolic disorder.
The conditions are major causes of brain damage and permanent
disabilities such as motor dysfunction, psychological problems, memory
loss, outright dementia and more. Current treatments and rehabilitation
programs can help patients to heal, but with limited success.
He and colleagues Prof. Eshel Ben-Jacob of TAU’s School of Physics
and Astronomy and the Sagol School of Neuroscience recruited 74
post-stroke patients, 6 to 36 months after the injury, whose condition
had stopped improving, for hyperbaric oxygen therapy (HBOT).
The treatment involved 40 two-hour sessions five times a week in a
high pressure chamber that contains oxygen-rich air which increases
oxygen levels in the body ten-fold.
The findings of Efrati’s study, published in PloS ONE, showed
significantly increased neuronal activity after a group of affected
patients received two months of hyperbaric treatment, compared to a
group that received none, he said.
The study “opens the gate into a new territory of treatment,” said
Efrati. “It is now understood that many brain disorders are related to
inefficient energy supply to the brain. HBOT treatment could right such
metabolic abnormalities before the onset of full dementia, where there
is still potential for recovery.”
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