Denis Pelli (born 1954) is a professor of

psychology Psychology is the scientific study of mind and behavior. Psychology includes the study of conscious and unconscious phenomena, including feelings and thoughts. It is an academic discipline of immense scope, crossing the boundaries betwe ...

and neural science at

New York University New York University (NYU) is a private research university in New York City. Chartered in 1831 by the New York State Legislature, NYU was founded by a group of New Yorkers led by then-Secretary of the Treasury Albert Gallatin. In 1832, the ...

studying object recognition and reading. Pelli studied applied math at Harvard, and completed his PhD in physiology at Cambridge with Campbell and Robson in 1981. Since 1995, he is Professor of Psychology and Neural Science at

. Pelli is known for his contributions to the fields of visual sensitivity, letter identification, object recognition, the Psychtoolbox,

equivalent input noise Equivalent input (also input-referred, referred-to-input (RTI), or input-related), is a method of referring to the signal or noise level at the output of a system as if it were due to an input to the same system. This input's value is called the ...

, QUEST, the Pelli-Zhang video attenuator, and the Pelli-Robson Contrast Sensitivity Chart, which allows for clinical measurement of contrast sensitivity. Current research in Pelli's lab covers object recognition and

visual crowding Visual crowding is the inability to view a target stimulus distinctly when presented in a clutter. Crowding impairs the ability to discriminate object features and contours among flankers, which in turn impairs people's ability to respond appropr ...

, as well as the experience of

beauty Beauty is commonly described as a feature of objects that makes these objects pleasurable to perceive. Such objects include landscapes, sunsets, humans and works of art. Beauty, together with art and taste, is the main subject of aesthetics, o ...

.List of conference posters
/ref> Pelli serves as an associate editor for the Journal of Vision, and has published over 50 publications.

References

21st-century American psychologists Living people 1954 births Harvard School of Engineering and Applied Sciences alumni New York University faculty Vision scientists Date of birth missing (living people) 20th-century American psychologists {{US-scientist-stub