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Spatial learning and memory deficits after telencephalic ablation in goldfish trained in place and turn maze procedures.
Abstract
The present work investigated whether the fish telencephalon is involved in spatial learning based on place strategies in a manner similar to mammalian hippocampus. Goldfish were trained in a 4-arm maze in a room with relevant spatial cues. Sham and to-be-ablated subjects were trained in each of 4 experimental procedures designed as follows: place, turn, place-turn, and control. After acquisition, complete ablations of both telencephalic hemispheres for the experimental groups were carried out. The results showed that ablation exclusively impaired performance in animals using place strategies; in these, accuracy fell to chance level during both postsurgery retraining and reversal periods. In the other groups, ablation of the telencephalon did not induce any significant deficit. These results suggest that the fish telencephalon plays a crucial role in complex place learning.
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Telencephalon ablation selectively impairs place strategies in goldfish, sparing, or even having beneficial effects, on the use of turn or guidance strategies.
“telencephalon ablation selectively impairs place strategies in goldfish, sparing, or even having beneficial effects, on the use of turn or guidance strategies [54,69,70,71]”
From Spatial Cognition in Teleost Fish: Strategies and Mechanisms (2021) · cites this paper as [71]
Brain lesion experiments showed that different spatial strategies are based on separate memory systems that can also be dissociated on the basis of their neural substrata.
“brain lesion experiments showed that these different strategies are based on separate memory systems that can also be dissociated on the basis of their neural substrata”
From Spatial Cognition in Teleost Fish: Strategies and Mechanisms (2021) · cites this paper as [71]
Dorsolateral telencephalon lesions in goldfish produce an impairment as severe as ablation of the complete telencephalon.
“Moreover, the dorsolateral telencephalon lesions produced an impairment as severe as the ablation of the complete telencephalon (see also [71]).”
From Spatial Cognition in Teleost Fish: Strategies and Mechanisms (2021) · cites this paper as [71]
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References 78 · Cited by 142
Metadata
- Authors
- Salas, C., Rodríguez, F., Vargas, J. P., Durán, E., & Torres, B.
- Affiliations
- Universidad de Sevilla (ES)
- Venue
- Behavioral Neuroscience
- Published
- 1996-10
- Volume
- 110
- Issue
- 5
- Pages
- 965-980
- ISSN
- 0735-7044 (ISSN-L)
- 1939-0084
- OpenAlex
- W2049099635
- Cited by
- 142
- References
- 78
- Citations by year
- 2026: 4 · 2025: 7 · 2024: 3 · 2023: 5 · 2022: 6 · 2021: 7 · 2020: 7 · 2019: 4 · 2018: 1 · 2017: 3 · 2016: 4 · 2015: 5 · 2014: 5 · 2013: 3 · 2012: 6
- FWCI
- 1.38
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Behavioral Neuroscience (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Spatial Cognition and Navigation
- Physical Sciences › Environmental Science › Nature and Landscape Conservation › Fish biology, ecology, and behavior
- Keywords
- goldfish, spatial learning, spatial memory, place learning, hippocampus, maze learning, reversal learning, spatial cues
- MeSH terms
- Animals, Attention, Brain Mapping, Dominance, Cerebral, Goldfish, Orientation, Mental Recall, Retention, Psychology, Telencephalon, Transfer, Psychology, Maze Learning
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