It was a little boy's voice, so out of place my foggy brain couldn't comprehend it for a moment.

Could their brains comprehend what they saw in the Aleph even as well as humans did?

At first his tired dulled brain could not comprehend what had happened.

There were so many things happening, his drug-addled brain could not comprehend them all.

And does the brain even comprehend backward messages?

I think everything could be explainable if we had the brains to comprehend the explanation.

He advanced a couple of steps before his brain comprehended what his eyes were seeing.

"No-the brains can comprehend and obey the most complex orders."

The brain and its functionings he did not comprehend at all.