How infants respond to their mother’s touches and smiles influences their development in a manner much like what young birds experience when learning to sing, according to a research project involving the Department of Psychology at Indiana University Bloomington and the Biological Foundations of Behavior program at Franklin and Marshall College.
An article on the research, titled "Social interaction shapes babbling: Testing parallels between birdsong and speech," will be published this week in the journal Proceedings of the National Academy of Sciences. The Web site for the journal is http://www.pnas.org/misc/highlights.shtml. The academy’s Web site is http://www4.nationalacademies.org/nas/nashome.nsf.
"The main point of our research is how the reaction of the babies to their mother’s touches and smiles changes how they talk, and this corresponds to what birds do when learning to sing," said Meredith West, a professor of psychology and biology at IU. She collaborated on the article with Andrew King, a senior scientist at IU, and Michael Goldstein, an assistant professor of psychology at Franklin & Marshall College in Lancaster, Pa.
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The operational speed of semiconductors in various electronic and optoelectronic devices is limited to several gigahertz (a billion oscillations per second). This constrains the upper limit of the operational speed of computing. Now researchers from the Max Planck Institute for the Structure and Dynamics of Matter in Hamburg, Germany, and the Indian Institute of Technology in Bombay have explained how these processes can be sped up through the use of light waves and defected solid materials.
Light waves perform several hundred trillion oscillations per second. Hence, it is natural to envision employing light oscillations to drive the electronic...
Most natural and artificial surfaces are rough: metals and even glasses that appear smooth to the naked eye can look like jagged mountain ranges under the microscope. There is currently no uniform theory about the origin of this roughness despite it being observed on all scales, from the atomic to the tectonic. Scientists suspect that the rough surface is formed by irreversible plastic deformation that occurs in many processes of mechanical machining of components such as milling.
Prof. Dr. Lars Pastewka from the Simulation group at the Department of Microsystems Engineering at the University of Freiburg and his team have simulated such...
Investigation of the temperature dependence of the skyrmion Hall effect reveals further insights into possible new data storage devices
The joint research project of Johannes Gutenberg University Mainz (JGU) and the Massachusetts Institute of Technology (MIT) that had previously demonstrated...
Researchers at Chalmers University of Technology, Sweden, recently completed a 5-year research project looking at how to make fibre optic communications systems more energy efficient. Among their proposals are smart, error-correcting data chip circuits, which they refined to be 10 times less energy consumptive. The project has yielded several scientific articles, in publications including Nature Communications.
Streaming films and music, scrolling through social media, and using cloud-based storage services are everyday activities now.
After helping develop a new approach for organic synthesis -- carbon-hydrogen functionalization -- scientists at Emory University are now showing how this approach may apply to drug discovery. Nature Catalysis published their most recent work -- a streamlined process for making a three-dimensional scaffold of keen interest to the pharmaceutical industry.
"Our tools open up whole new chemical space for potential drug targets," says Huw Davies, Emory professor of organic chemistry and senior author of the paper.
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