Alisson P. de Almeida is a PhD candidate in Behavioral Neuroscience at the University of São Paulo. His research focuses on the neural bases of social behaviors, with a particular interest in social defensive behavior. He employs tools for neural circuit mapping, techniques for functional manipulation of these circuits, and methods for monitoring neural activity in freely behaving animals. He is currently conducting research abroad at the Max Planck Institute for Biological Intelligence in the department of Prof. Rüdiger Klein. (Source: Lattes Curriculum)
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In social defeat, the environment is a determining variable for the defensive strategy to be developed. The environment is composed of elements such as escape routes, hiding places, distance to the threat and, the presence of physical and/or psychological limits. Understanding how different brain structures processing this information, associating it with other stimuli - such as the type …
Realize different aversive stimuli and responding appropriately to them is essential for the survival of species. In the presence of some threat, an animal can develop a restricted set of responses (e.g. freezing, crouching, escape, upright) which make up defensive behaviors. Understanding how different structures are organized to define these responses from different stimuli is very impo…
The entrapment is typically related to aversive situations, involving a movement limitation and a situation without the possibility for escape. This can depend on only physical limits, like restraint stress, or more than one type of limits, like social and physical during the social confrontation. We have already demonstrated that, in Wistar male rats, a septohippocampal-hypothalamic path…
Microendoscopic calcium imaging is a technique that allows the monitoring of neural activity in freely moving animals, making it possible to establish a direct relationship between the activity of a specific region of the brain and animal behaviour. This technique is based on recording the intracellular concentration of Ca2+ fluctuation in neurons expressing genetically encoded indicators…
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