9/9/23
but not the left, seemed to be crucial
Scientists extract music from the mind is deceding mic. Removing informa
tion from the right STO in the computer
A computer model used brain data to re-create a Pink Floyd song model decreased the accuracy of the song
reconstruction, the researchers found
BY CLAUDIA LOPEZ LLOREDA
In what seems like something out of a
sc-movie, scientists have plucked the
fah Pak Poyd song "Another Brick in
the wait from individual bras
Previously, researchers have used elec-
trade,
des, computer models and brain scan
to decode and reconstruct individual
words and entire thoughts from people's
brain activity 26/3/2014
m
The new study, published Aug 15 in
kos gaminto the mix
LOS Biology.
showing that songs can also be decoded
from brain a activity and revealing how
different brain areas pick u
rick
in actory areas, responded to hear
ing the song The electrodes detected
not only neural signals associated with
words, but also rhythm, harmony and
finding may ever
tually help improve condevices
used by people with paralydor other com
ditions that the top
Neuroscientist Ludovie Bellier of the
University of California, Berkeley and
colleagues deceded the song from dat
captured by electrodes on the brains of
29 people with epilepay. While in the hee
pital being monitored for the disorder, the
individuals latened to the 1979 rock song
People's nerve cells, particularly those
other musical aspects with that infor-
mation, the researchers developed a
computer model to reconstruct sounds
from the brain activity data, and found
that the model could produce sounds
that resemble the song
a realtor de force says neurosc
entist Robert Zatre of McCl University
in Montreal "Because you're recording the
activity of neurons directly from the brain
acoustic elements. The may of you get very direct information about on at the Pink Floyd song in addition
ket var en
exactly what the patterns of activity are
The study highlights which parts of the
"Music is a cere part of human experi
ence" says Beller, who has been playing
musical instruments since he was 6 years
old "Understanding how the brain pro
cesses music can really tell us about
human You can go to a country
nature
and not understand the language, but be
able to enjoy the music
Further probing musical perception wi
probably be difficult because the brain
areas that process it are hard to access
www
without invasive methods. And Zatorre
wonders about the broader application of
the computer model, which was trained
brain respond to different elements of
music. Take the superior temporal gr
or STOs, which are located in the lower
middle of each side of the brain Activity
in one area within the STOs intensified at
the onset of specific sounds such as when
a guitar note played. When vocals were
used, activity in another area increased
and stayed elevated
The STG on the right side of the brain
to other songs does it work
other
kinds of sounds like a dog barking of
phone ringing he asks
The goal, Bellier says, is to eventually
be able to decode and generate satu
ral sounds in a
In addition to music. In the
shorter term, incorporating the more
wsical elements of speech, including
pitch and timbre, into brain-computer
devices might help individuals with brain
lesions, paralysis or other conditions
communicate better.
Find original application of I
text).
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Ⓒ Attach article or
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help)..
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(Due 10/23/23. Hardcopy.
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