Featured Research

from universities, journals, and other organizations

Human Mind: Sound And Vision Wired Through Same 'Black Box'

Date:
August 13, 2009
Source:
University of Montreal
Summary:
Sounds and images share a similar neural code in the human brain, according to a new Canadian study. Scientists explain how the same neural code in the brain allows people to distinguish between different types of sounds, such as speech and music, or different images.

Participants were recruited to undergo functional magnetic resonance imaging, a non-invasive form of brain mapping used to determine how the brain recognizes different characteristics in musical instruments.
Credit: Marc Schönwiesner, Université de Montréal

Sounds and images share a similar neural code in the human brain, according to a new Canadian study. In the online edition of the Proceedings of the National Academy of Sciences (PNAS), scientists from the Université de Montréal and the Montreal Neurological Institute at McGill University explain how the same neural code in the brain allows people to distinguish between different types of sounds, such as speech and music, or different images.

Related Articles


Participants were recruited to undergo functional magnetic resonance imaging (FMRI), a non-invasive form of brain mapping used to determine how the brain recognizes different characteristics in musical instruments, words from conversations or environmental sounds. Subjects underwent an exhaustive three hours of FMRI exams to provide precise information about how the brain reacts when different sounds are played.

"It turns out that the brain uses the same strategy to encode sounds than it uses to encode different images," explains lead author Marc Schönwiesner, a Université de Montréal psychology professor. "This may make it easier for people to combine sounds and images that belong to the same object, such as the dribbling of a basketball."

The next step for the researchers is to determine exactly how the brain distinguishes between rock drum beats to the strings of a symphony or from a French conversation to an English one. "Our goal is to disentangle exactly how the brain extracts these different types of sounds. This is a step may eventually let us reconstruct a song that a person has heard from according to the activity pattern in their brain," explains Dr. Schönwiesner, who is also a member of the International Laboratory for Brain, Music and Sound Research (BRAMS), a joint Université de Montréal and McGill University think-tank on music and the mind.

As scientists advance in decoding brain activation patterns, says Dr. Schönwiesner, mind-boggling applications can be envisaged. "If researchers can reconstruct a song a person has heard according to an fMRI reading, we're not far off to being able to record brain patterns during sleep and reconstruct dreams," he predicts. "That would be really cool, although this possibility is decades of research away."

This study was funded by the Canadian Institutes of Health Research and the German Academy of Sciences.


Story Source:

The above story is based on materials provided by University of Montreal. Note: Materials may be edited for content and length.


Journal Reference:

  1. Marc Schönwiesner, Robert Zatorre. Spectro-temporal modulation transfer function of single voxels in the human auditory cortex measured with high-resolution fMRI. Proceedings of the National Academy of Sciences, 2009; DOI: 10.1073/pnas.0907682106

Cite This Page:

University of Montreal. "Human Mind: Sound And Vision Wired Through Same 'Black Box'." ScienceDaily. ScienceDaily, 13 August 2009. <www.sciencedaily.com/releases/2009/08/090812111445.htm>.
University of Montreal. (2009, August 13). Human Mind: Sound And Vision Wired Through Same 'Black Box'. ScienceDaily. Retrieved January 26, 2015 from www.sciencedaily.com/releases/2009/08/090812111445.htm
University of Montreal. "Human Mind: Sound And Vision Wired Through Same 'Black Box'." ScienceDaily. www.sciencedaily.com/releases/2009/08/090812111445.htm (accessed January 26, 2015).

Share This


More From ScienceDaily



More Mind & Brain News

Monday, January 26, 2015

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

How Technology Is Ruining Snow Days For Students

How Technology Is Ruining Snow Days For Students

Newsy (Jan. 25, 2015) — More schools are using online classes to keep from losing time to snow days, but it only works if students have Internet access at home. Video provided by Newsy
Powered by NewsLook.com
Weird Things Couples Do When They Lose Their Phone

Weird Things Couples Do When They Lose Their Phone

BuzzFeed (Jan. 24, 2015) — Did you back it up? Do you even know how to do that? Video provided by BuzzFeed
Powered by NewsLook.com
Smart Wristband to Shock Away Bad Habits

Smart Wristband to Shock Away Bad Habits

Reuters - Innovations Video Online (Jan. 23, 2015) — A Boston start-up is developing a wristband they say will help users break bad habits by jolting them with an electric shock. Ben Gruber reports. Video provided by Reuters
Powered by NewsLook.com
Amazing Technology Allows Blind Mother to See Her Newborn Son

Amazing Technology Allows Blind Mother to See Her Newborn Son

RightThisMinute (Jan. 23, 2015) — Not only is Kathy seeing her newborn son for the first time, but this is actually the first time she has ever seen a baby. Kathy and her sister, Yvonne, have been legally blind since childhood, but thanks to an amazing new technology, eSight glasses, which gives those who are legally blind the ability to see, she got the chance to see the birth of her son. It&apos;s an incredible moment and an even better story. Video provided by RightThisMinute
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
 
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:  

Breaking News:

Strange & Offbeat Stories

 

Health & Medicine

Mind & Brain

Living & Well

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:  

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile iPhone Android Web
Follow Facebook Twitter Google+
Subscribe RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins