Removing one ear induces auditory interneurons to sprout new dendrites, grow abnormally across the mid-line, and form synapses with intact
auditory neurons from the opposite ear.
Removing one ear induces auditory interneurons to sprout new dendrites, grow abnormally across the mid-line, and form synapses with intact
auditory neurons from the opposite ear, both in developing as well as adult crickets.
Not exact matches
The thinking goes that most cases of chronic tinnitus result
from changes in the signals sent
from the ear to
neurons in the brain's
auditory cortex.
Recording the electrical activity of
neurons directly
from the surface of the brain, the scientists found that for a simple task, such as repeating a word presented visually or aurally, the visual and
auditory cortexes reacted first to perceive the word.
Dr. Daniel Bendor,
from University College London, describes a novel way that
neurons in
auditory cortex can encode temporal information, based on how their excitatory and inhibitory inputs get mixed together.
Recently, Prof. Yoko Yazaki - Sugiyama and Dr. Shin Yanagihara
from Okinawa Institute of Science and Technology Graduate University (OIST) have, for the first time, identified the
neurons in the brain that are associated with the
auditory memory of the father's song in zebra finches, which could lead to insight into human speech development.
In normal crickets,
neurons that receive
auditory input
from one cricket «ear» project up to the brain unilaterally, without crossing the cricket's «midline» (Figure 1A).