How Quickly Can a Rat Perceive Novel Odors?

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How Quickly Can a Rat Perceive Novel Odors?

Odor perception in mammals is a multistep process that begins when olfactory sensory neurons in the animal’s nose detect an odor molecule and then transmit that sensory information as an electrical signal to the brain. The first brain area to receive these signals is the olfactory bulb, where the sensory neurons end in small structures called glomeruli. Olfactory cues trigger complex patterns o...

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Rapid Encoding and Perception of Novel Odors in the Rat

To gain insight into which parameters of neural activity are important in shaping the perception of odors, we combined a behavioral measure of odor perception with optical imaging of odor representations at the level of receptor neuron input to the rat olfactory bulb. Instead of the typical test of an animal's ability to discriminate two familiar odorants by exhibiting an operant response, we u...

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ژورنال

عنوان ژورنال: PLoS Biology

سال: 2008

ISSN: 1545-7885

DOI: 10.1371/journal.pbio.0060094