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Controlled Odor Mimic Permeation Systems for Olfactory Training and Field Testing
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Selective Attention Controls Olfactory Decisions and the Neural Encoding of Odors
Kaitlin S Carlson1, Marie A Gadziola2, Emma S Dauster2
1Department of Pharmacology and Therapeutics, University of Florida, 1200 Newell Drive, Gainesville, FL 32610, USA; Center for Smell and Taste, University of Florida, 1200 Newell Drive, Gainesville, FL 32610, USA; Department of Neurosciences, Case Western Reserve University, 2109 Adelbert Road, Cleveland, OH 44106, USA.
Current Biology : CB
|July 31, 2018
Summary
Rats can selectively attend to odors, even with competing sensory information, improving their decision-making. This selective attention sharpens odor representations in the brain, optimizing olfactory processing.
Area of Science:
- Neuroscience
- Animal Behavior
- Sensory Processing
Background:
- Rodent behaviors are heavily influenced by odors, despite competing sensory inputs.
- Selective attention is crucial for filtering sensory information and supporting cognitive functions like decision-making.
Purpose of the Study:
- To investigate if rats can selectively attend to odors amidst competing stimuli.
- To understand how selective attention impacts odor-guided behaviors and neural representations.
Main Methods:
- Developed a novel behavioral paradigm to test selective olfactory attention in rats.
- Analyzed neural representations in the olfactory tubercle in response to attended and unattended odors.
Main Results:
- Rats demonstrated the ability to selectively attend to odors when presented with competing extramodal stimuli.
- Selective attention enhanced the accuracy of odor-guided decisions, with improvements seen with experience.
- Attention sharpened odorant representations in the olfactory tubercle neurons, increasing stimulus contrast.
Conclusions:
- Rats utilize selective attention to optimize olfactory outcomes.
- Attention-dependent neural coding in the olfactory tubercle challenges established models of attentional control.
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