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Socially Meaningful Sounds Can Change Ear, Improve Hearing, Georgia State Research Study Finds

ATLANTA—Hearing socially meaningful sounds can change the ear and enable it to better detect those sounds, according to researchers at Georgia State University who studied the phenomenon in green treefrogs.

The findings are published in the Journal of Experimental Biology.

“The ear is modifiable,” said Walter Wilczynski, a professor in the Neuroscience… more »

Genetics and Brain Regions Linked to Sex Differences in Anxiety-Related Behavior in Chimpanzees

ATLANTA—Genetics and specific brain regions are linked to sex differences in chimpanzees’ scratching behavior, a common indicator of anxiety in humans and others primates, according to a research study led by Georgia State University that shows chimpanzees can be models of human mental illness.

The researchers investigated genetic and neuroanatomical links to individual variation… more »

No Genetic Link Between Smaller Subcortical Brain Volumes and Risk for Schizophrenia, Researchers Find

ATLANTA—There is no evidence of genetic overlap between risk for schizophrenia and brain volume measures, according to researchers in a global study that examined the genes that drive the development of schizophrenia.

That was the key finding in a collaborative study involving nearly 600 researchers from more than 350 institutions, including Georgia State University,… more »