Word: neural
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...Paris, with whom he worked for a year, Balaban cut tiny windows in the shells of fertilized chicken and quail eggs that had incubated for a couple of days. Guided by special stains developed by the French researcher, he probed the embryos' minuscule, 1-mm- to 2-mm-long neural tubes (out of which the brains develop), removing cells from the chickens and replacing them with corresponding cells from the quail. Closing up the windows, he returned the chicken eggs to the incubator, allowing them to hatch at a normal 21 days, whereupon they soon began crowing...
...cerebral cortex, an intricately folded layer of neural tissue which is much larger and more complex in humans than in any other animal, is thought to be responsible for many of the so-called "higher brain functions"--such as the reasoning and logic capabilities which are unique to humans...
...results of the finding indicate that p35 is an essential part of a proposed signaling pathway that has been thought to guide neural development...
Tsai has found that the deficiencies in p35 mice closely mimic those found in several human neural disorders, such as lissencephaly, which produces the same type of seizures found in the mice and periventricular heterotopia and double cortex--which are caused by incorrect migration of cortical neurons...
...parents our obligations seem so simple and the results so awesome: provide a stimulating, rich environment, and the consequent neural activity will give us back a human being with a brain rich in learning and memory and unique in emotion and thought. And we know that it is simple to shape our children's behavior. All we need to do is model the behavior we wish to see in our youngsters. What then keeps us from being immensely successful in our parenting? JOSEPH K. VALAITIS Brecksville, Ohio...