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Gustavo Rohenkohl

Sobre

Holds a degree in Psychology from the Pontifical Catholic University of Rio Grande do Sul (2007) and a PhD in Experimental Psychology from the University of Oxford (2010), supervised by Prof. Anna C. Nobre. After the PhD, he worked for three and a half years as a postdoctoral researcher at the University of Oxford with Wellcome Trust funding. Between 2014 and 2018, he worked at the Ernst Strüngmann Institute (ESI) for Neuroscience in Cooperation with Max Planck Society as a postdoctoral fellow under the supervision of Prof. Pascal Fries. In 2018 he returned to Brazil as principal investigator of a Max Planck Tandem Research Group at the Institute of Biosciences of the University of São Paulo. He has experience in Neurophysiology, Neuroscience, Psychophysics, and Cognitive and Experimental Psychology, with an emphasis on basic research into visual perception and attention.

Áreas de Pesquisa:

Neuroscience and Cognition
Physics and Mathematics of Biology

About the research:

The Neurophysics project aims to investigate, with unprecedented precision, the mechanisms of spatial and temporal integration of the human visual system in the few-photon regime. The research lies at the interface between psychophysics, sensory neuroscience, and quantum optics, seeking to understand how the visual system processes light stimuli under extreme conditions close to the absolute threshold of vision. Since the 19th century, the classical laws of psychophysics have described the temporal and spatial summation of light perceived by an observer. However, it remains an open question how the visual system integrates individual photons over time and space. Recent advances in directional light sources and high-precision spatial and temporal modulation systems now allow these laws to be revisited under tight control of luminance, spectrum, and the temporal and spatial distribution of the light stimulus.

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