Results 1 to 10 of about 133,718 (290)

Two Parallel Olfactory Pathways for Processing General Odors in a Cockroach [PDF]

open access: yesFrontiers in Neural Circuits, 2017
In animals, sensory processing via parallel pathways, including the olfactory system, is a common design. However, the mechanisms that parallel pathways use to encode highly complex and dynamic odor signals remain unclear.
Hidehiro Watanabe   +3 more
doaj   +2 more sources

Comparative Transcriptomics of Olfactory Rosettes Reveals Expression Divergence and Adaptive Evolution in Herbivorous and Carnivorous Xenocyprididae Fishes [PDF]

open access: yesAnimals
Olfaction plays a crucial role in fish feeding behaviors and ecological adaptation. However, systematic studies on its transcriptional regulation and molecular evolutionary mechanisms in herbivorous and carnivorous fishes remain scarce. In this study, we
Hua Xue   +4 more
doaj   +2 more sources

Retro nasal blockade reduces the neural processing of sucrose in the human brain [PDF]

open access: yesIBRO Neuroscience Reports
It is assumed “Non-volatile” tastes like sucrose do not activate retro nasal pathways. Recent studies find that sucrose when aerosolized, can reach the retro nasal olfactory region and be perceived.
Hee-kyoung Ko   +4 more
doaj   +2 more sources

Pathogenesis of Olfactory Disorders in COVID-19

open access: yesBrain Sciences, 2022
Since the outbreak of the SARS-CoV-2 pandemic, olfactory disorders have been reported as a frequent symptom of COVID-19; however, its pathogenesis is still debated.
Laura Ziuzia-Januszewska   +1 more
doaj   +1 more source

Olfaction and Executive Cognitive Performance: A Systematic Review

open access: yesFrontiers in Psychology, 2022
Objective tests of olfaction are widely available to aid in the assessment of olfaction. Their clearest role is in the characterization of olfactory changes, either reported by or suspected in a patient.
Vasudeva Murthy Challakere Ramaswamy   +2 more
doaj   +1 more source

51152 Efficacy of Bimodal Visual-Olfactory Training in Patients with COVID-19 resultant Hyposmia or Anosmia Using Patient-Preferred Scents (VOLT Trial - Visual-OLfactory Training)

open access: yesJournal of Clinical and Translational Science, 2021
IMPACT: Olfactory dysfunction is a defining symptom of COVID-19 infection. As the number of total, confirmed COVID-19 cases approaches 7 million in the United States, it is estimated that there will be up to 500,000 new cases of chronically diminished ...
Amish Mustafa Khan   +2 more
doaj   +1 more source

Effects of diazinon on olfactory epithelium and genes related to olfactory signal transduction in Caspian roach, Rutilus caspicus [PDF]

open access: yesCaspian Journal of Environmental Sciences, 2021
Olfaction in fishes is biologically-essential chemoreceptors. It provokes important behaviors for the survival of fish such as feeding, reproduction, avoiding predator and intraspecific communication.
Mahboubeh Hosseinzade   +3 more
doaj   +1 more source

Unraveling Adaptation in Eukaryotic Pathways: Lessons from Protocells [PDF]

open access: yes, 2013
Eukaryotic adaptation pathways operate within wide-ranging environmental conditions without stimulus saturation. Despite numerous differences in the adaptation mechanisms employed by bacteria and eukaryotes, all require energy consumption.
De Palo, Giovanna, Endres, Robert G.
core   +10 more sources

Processing of Odor Information During the Respiratory Cycle in Mice

open access: yesFrontiers in Neural Circuits, 2022
In the mouse olfactory system, odor signals detected in the olfactory epithelium are converted to a topographic map of activated glomeruli in the olfactory bulb.
Kensaku Mori, Hitoshi Sakano
doaj   +1 more source

The Biogenic Amine Tyramine and its Receptor (AmTyr1) in Olfactory Neuropils in the Honey Bee (Apis mellifera) Brain

open access: yesFrontiers in Systems Neuroscience, 2017
This article describes the cellular sources for tyramine and the cellular targets of tyramine via the Tyramine Receptor 1 (AmTyr1) in the olfactory learning and memory neuropils of the honey bee brain.
Irina T. Sinakevitch   +2 more
doaj   +1 more source

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