Understanding the smallest brain circuits

ScienceDaily | 2/28/2018 | Staff
LordLord (Posted by) Level 4
"Neurons are highly active spontaneously, so 30 minutes is actually a very long time," Galán said.

For decades, neuroscientists examined the activity at shorter time-scales-tens of milliseconds, he said-and their aim was limited to observing some neurons firing together at times and others not.

Galán - Lab - Interactions - Neurons - Time-scales

However, Galán and his lab focused on the interactions between neurons at multiple time-scales from milliseconds to minutes.

"This is our main contribution," he said. "We have found very significant interactions between neurons on longer timescales, on the order of seconds."

Connection - Neurons - Activity - Timescales

It turns out that a previously hidden connection among the neurons is revealed when neurological activity is recorded and graphed across timescales.

"We observe that when some neurons speed up, others slow down-and they do this in a coordinated fashion over several seconds," Galán said.


"What we are discovering here, revealing for the first time, is...
(Excerpt) Read more at: ScienceDaily
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