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Full-Text Articles in Psychology
Pain Perception In Fish: Indicators And Endpoints, Lynne U. Sneddon
Pain Perception In Fish: Indicators And Endpoints, Lynne U. Sneddon
Aquaculture Collection
Recent evidence has shown that fish display aversive behavioral and physiological reactions and a suspension of normal behavior in response to noxious stimuli that cause pain in other animals and humans. In addition to these behavioral responses, scientists have identified a peripheral nociceptive system and recorded specific changes in the brain activity of fish during noxious stimulation. As a result of these observations teleost fish are now considered capable of nociception and, in some opinions, pain perception. From both an experimental and an ethical perspective, it is important that scientists be able to assess possible pain and minimize discomfort that …
The Bold And The Shy: Individual Differences In Rainbow Trout, L. U. Sneddon
The Bold And The Shy: Individual Differences In Rainbow Trout, L. U. Sneddon
Aquaculture Collection
Boldness and shyness were investigated as ‘personality’ traits in hatchery-reared rainbow trout Oncorhynchus mykiss. Bold fish spent more time in an open area and were more active than shy fish and these behaviours could be used as indicators of boldness and shyness. These differences were related to learning ability in a simple conditioning task. Bold fish learned the task more quickly than shy fish.