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Ocean acidification impairs olfactory discrimination and homing ability of a marine fish
- P. Munday, D. Dixson, +4 authors K. Døving
- Medicine, Biology
- Proceedings of the National Academy of Sciences
- 10 February 2009
If acidification continues unabated, the impairment of sensory ability will reduce population sustainability of many marine species, with potentially profound consequences for marine diversity. Expand
Taste preferences in fishes
There is a good correspondence between development of the gustatory system in fish ontogeny and its ability to discriminate taste properties of food items, and taste responses are more stable and invariable for highly palatable substances than for substances with a low level of palatability. Expand
The vomeronasal cavity in adult humans.
It is estimated that approximately 73% of the population exhibits at least one clearly defined pit on some days, and the results of other studies suggests that the vomeronasal epithelium, unlike in other mammals, is not a sensory organ in adult humans. Expand
The functional organization of the fish olfactory system
Recent developments in the functional anatomy and physiology of the fish olfactory system reveal three parallel pathways from the sensory epithelium, via the Olfactory bulb to the telencephalon, tuned to social cues, sex pheromones, and the third to food odours. Expand
Olfactory sensitivity to bile acids in salmonid fishes.
The results suggest that olfactory receptors are of two types, one responding to bile acids, the other to amino acids, and that 3 -alpha-hydroxysteroids are released from the fish into the water in quantities that suffice for detection by their o aroma system. Expand
Behaviour of dogs during olfactory tracking.
- A. Thesen, J. B. Steen, K. Døving
- Computer Science, Medicine
- The Journal of experimental biology
- 1 July 1993
Four trained German shepherd tracking dogs, equipped with head microphones to transmit sniffing activity, were video-monitored after being brought at right angles to a track where the position of each footprint was known. Expand
Role of Olfaction in the Behavioral and Neuronal Responses of Atlantic Salmon, Salmo salar, to Hydrographic Stratification
The behavior of sham-operated and anosmic Atlantic salmon was studied in a fjord system with close reference to the fine-scale hydrographic features, and activity of single olfactory bulb neurons was recorded during stimulation of salmon Olfactory epithelium with water samples taken from different depths of the fjords. Expand
Silver nanoparticles disrupt olfaction in Crucian carp (Carassius carassius) and Eurasian perch (Perca fluviatilis).
The electro-olfactogram (EOG) signal was recorded by stimulating the olfactory epithelium with pulses of the odorant L-alanine during the pre-exposure, silver exposure and recovery periods, respectively, to compare the toxicity of silver nanoparticles with silver ions. Expand
Seasonal variations in olfactory sensory neurons--fish sensitivity to sex pheromones explained?
- E. H. Hamdani, Stine Lastein, F. Gregersen, K. Døving
- Biology, Medicine
- Chemical senses
- 24 October 2007
It is demonstrated that the number of crypt cells in the olfactory epithelium of the crucian carp varies dramatically throughout the year, which may explain previous studies demonstrating a relationship between circulating androgen and Olfactory sensitivity to sex pheromones. Expand
Structure and function of the vomeronasal organ.
The present review gives a short description of the discovery of the vomeronasal organ and the pivotal findings of Jacobson, and the anatomical, biochemical and functional properties of the receptor neurones are described. Expand