Infographic: Taking Note of Singing Errors

Birds' brains respond to distorted songs with changes in dopamine signaling.

By | March 1, 2017

© PENS AND BEETLES STUDIOS

NEGATIVE FEEDBACK

In the brain of male zebra finches, dopaminergic neurons (green arrows) project from the ventral tegmental area (VTA) to Area X, a region known to be required for song learning. Researchers from Cornell University found that these neurons encode singing errors by suppressing dopamine signaling when the bird hears itself producing an incorrect note, which researchers simulated by the introduction of distorted audio feedback at specific syllables (1)—and boosting dopamine signaling when the bird correctly produces a note that sounded incorrect in previous attempts (2).

Read the full story.

Add a Comment

Avatar of: You

You

Processing...
Processing...

Sign In with your LabX Media Group Passport to leave a comment

Not a member? Register Now!

LabX Media Group Passport Logo

Popular Now

  1. Opinion: Why I Published in a Predatory Journal
    News & Opinion Opinion: Why I Published in a Predatory Journal

    My “colleagues” and I at the fictitious Arthur Vandelay Urological Research Institute were surprised to find our bogus “uromycitisis” case report swiftly accepted, with only minor revisions requested.

  2. Consilience, Episode 3: Cancer, Obscured
  3. March for Science: Dispatches from Washington, DC
  4. Record-Setting Corn Grows 45 Feet Tall
AAAS