The ability to navigate using spatial cues was impaired in mice whose brains were minus a channel that delivers potassium - a finding that may have implications for humans with damage to the hippocampus, a brain structure critical to memory and learning, according to a Baylor University researcher. Mice missing the channel also showed diminished learning ability in an experiment dealing with fear conditioning, said Joaquin Lugo, Ph.D., the lead author in the study and an assistant professor of psychology and neuroscience in Baylor's College of Arts & Sciences...
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