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| DOI | 10.1016/J.BBR.2025.115645 | ||||
| Año | 2025 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Humans and several non-human species have shown the ability to learn by observing an experimented conspecific. A basic form of this learning is spatial observational learning (sOL), where a na & iuml;ve animal improves their accuracy in a spatial task after witnessing a demonstrator solve the same task. This ability has gained neurophysiological support with the discovery of hippocampal CA1 social place cells, which encoded the position of others, and the role of CA2 and ventral CA1 neurons in processing and storing social memory. However, the direct role of the hippocampus in accomplishing sOL and the behavioral changes adopted by the observer animal have not been fully understood. Observational learning can be explained by behavioral processes such as imitation, emulation, or local enhancement. We used a modified version of the oasis maze to unravel the strategy unfolded by na & iuml;ve observer rats during sOL. Our results suggest that emulation is the primary strategy implemented by observers by switching from a free-foraging approach to goal-directed behavior. Furthermore, the pharmacological inactivation of the hippocampus during the observation period impeded sOL, revealing the necessity of this structure for engaging in this behavioral change. Our results propose that the hippocampus is necessary for the internal representation of the demonstrator in the space and their movement towards a particular area and for the animal comprehension of the behavioral purpose of others during observational learning.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Fuentealba, Yerko | - |
Universidad de Chile - Chile
Linkoping Univ - Suecia |
| 2 | Garcia-Molina, Jose Tomas | - |
Universidad de Chile - Chile
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| 3 | Downey, Maximiliano | - |
Universidad de Chile - Chile
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| 4 | Valdes, Jose L. | - |
Universidad de Chile - Chile
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| Fuente |
|---|
| ICM |
| Iniciativa Científica Milenio |
| National Commission for Science and Technology |
| Intercollegiate Center for Management Science |
| Instituto de Neurociencia Biomédica, Universidad de Chile |
| Science and Technology National Found |
| Center for the Memory Neuroscience Millennium Nucleus |
| Agradecimiento |
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| This work was supported by ICM P09-015F (JLV) Biomedical Neuroscience Institute, ICM P-10-001-F (JLV) Center for the Memory Neuroscience Millennium Nucleus, Iniciativa Cientifica Milenio. Science and Technology National Found grant #11090294 (JLV) and National Commission for Science and Technology Doctoral fellow #21150519 (YF) . |
| This work was supported by ICM P09\u2013015F (JLV) Biomedical Neuroscience Institute , ICM P-10\u2013001-F (JLV) Center for the Memory Neuroscience Millennium Nucleus , Iniciativa Cient\u00EDfica Milenio. Science and Technology National Found grant # 11090294 (JLV) and National Commission for Science and Technology Doctoral fellow # 21150519 (YF). |