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Tuesday, January 20, 2004

Tuesday January 20, 2004. From EurekAlert http://www.eurekalert.org/pubnews.php
Public Release: 20-Jan-2004
Public Library of Science Biology
Primates trade smell for sight
Yoav Gilad and his colleagues have found a correlation between the loss of olfactory receptor (OR) genes, which are the molecular basis for the sense of smell, and the acquisition of full trichromatic color vision in primates. The evolution of color vision, the authors propose, coincided with a growing complement of OR nonfunctional "pseudogenes" and a deterioration of the sense of smell.

Public Release: 20-Jan-2004
Journal of Comparative Neurology
Reward mechanism involved in addiction likely regulates pair bonds between monogamous animals
The reward mechanism involved in addiction appears to regulate lifelong social or pair bonds between monogamous mating animals, according to a Center for Behavioral Neuroscience (CBN) study of prairie voles. The finding could have implications for understanding the basis of romantic love and disorders of the ability to form social attachments, such as autism and schizophrenia.
NIH/National Institute of Mental Health

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