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Cognitive science is the interdisciplinary, scientific study of the mind and its processes. It examines the nature, the tasks, and the functions of cognition. Mental faculties of concern to cognitive scientists include language, perception, memory, attention, reasoning, and emotion; to understand these faculties, cognitive scientists borrow from fields such as linguistics, psychology, artificial intelligence, philosophy, neuroscience, and anthropology. The typical analysis of cognitive science spans many levels of organization, from learning and decision to logic and planning; from neural circuitry to modular brain organization. One of the fundamental concepts of cognitive science is that "thinking can best be understood in terms of representational structures in the mind and computational procedures that operate on those structures."
Cognitive neuroscience is the scientific field that is concerned with the study of the biological processes and aspects that underlie cognition, with a specific focus on the neural connections in the brain which are involved in mental processes. It addresses the questions of how cognitive activities are affected or controlled by neural circuits in the brain. Cognitive neuroscience is a branch of both neuroscience and psychology, overlapping with disciplines such as behavioral neuroscience, cognitive psychology, physiological psychology and affective neuroscience. Cognitive neuroscience relies upon theories in cognitive science coupled with evidence from neurobiology, and computational modeling.
Computational neuroscience is a branch of neuroscience which employs mathematics, computer science, theoretical analysis and abstractions of the brain to understand the principles that govern the development, structure, physiology and cognitive abilities of the nervous system.
A neuroscientist is a scientist who has specialised knowledge in neuroscience, a branch of biology that deals with the physiology, biochemistry, psychology, anatomy and molecular biology of neurons, neural circuits, and glial cells and especially their behavioral, biological, and psychological aspect in health and disease.
Torsten Nils Wiesel is a Swedish neurophysiologist. With David H. Hubel, he received the 1981 Nobel Prize in Physiology or Medicine, for their discoveries concerning information processing in the visual system; the prize was shared with Roger W. Sperry for his independent research on the cerebral hemispheres.
Horace Basil Barlow FRS was a British vision scientist.
Christof Koch is a German-American neurophysiologist and computational neuroscientist best known for his work on the neural basis of consciousness. He is the president and chief scientist of the Allen Institute for Brain Science in Seattle. From 1986 until 2013, he was a professor at the California Institute of Technology.
Terrence Joseph Sejnowski is the Francis Crick Professor at the Salk Institute for Biological Studies where he directs the Computational Neurobiology Laboratory and is the director of the Crick-Jacobs center for theoretical and computational biology. He has performed pioneering research in neural networks and computational neuroscience.
Vision science is the scientific study of visual perception. Researchers in vision science can be called vision scientists, especially if their research spans some of the science's many disciplines.
Martha Julia Farah is a cognitive neuroscience researcher at the University of Pennsylvania. She has worked on an unusually wide range of topics; the citation for her lifetime achievement award from the Association for Psychological Science states that “Her studies on the topics of mental imagery, face recognition, semantic memory, reading, attention, and executive functioning have become classics in the field.”
David J. Heeger is an American neuroscientist, psychologist, computer scientist, data scientist, and entrepreneur. He is a professor at New York University, Chief Scientific Officer of Statespace Labs, and Chief Scientific Officer and co-founder of Epistemic AI.
Fixation or visual fixation is the maintaining of the gaze on a single location. An animal can exhibit visual fixation if it possess a fovea in the anatomy of their eye. The fovea is typically located at the center of the retina and is the point of clearest vision. The species in which fixational eye movement has been verified thus far include humans, primates, cats, rabbits, turtles, salamanders, and owls. Regular eye movement alternates between saccades and visual fixations, the notable exception being in smooth pursuit, controlled by a different neural substrate that appears to have developed for hunting prey. The term "fixation" can either be used to refer to the point in time and space of focus or the act of fixating. Fixation, in the act of fixating, is the point between any two saccades, during which the eyes are relatively stationary and virtually all visual input occurs. In the absence of retinal jitter, a laboratory condition known as retinal stabilization, perceptions tend to rapidly fade away. To maintain visibility, the nervous system carries out a procedure called fixational eye movement, which continuously stimulates neurons in the early visual areas of the brain responding to transient stimuli. There are three categories of fixational eye movement: microsaccades, ocular drifts, and ocular microtremor. At small amplitudes the boundaries between categories become unclear, particularly between drift and tremor.
Tomaso Armando Poggio, is the Eugene McDermott professor in the Department of Brain and Cognitive Sciences, an investigator at the McGovern Institute for Brain Research, a member of the MIT Computer Science and Artificial Intelligence Laboratory (CSAIL) and director of both the Center for Biological and Computational Learning at MIT and the Center for Brains, Minds, and Machines, a multi-institutional collaboration headquartered at the McGovern Institute since 2013.
Hyunjune Sebastian Seung is President at Samsung Electronics & Head of Samsung Research and Anthony B. Evnin Professor in the Princeton Neuroscience Institute and Department of Computer Science. Seung has done influential research in both computer science and neuroscience. He has helped pioneer the new field of connectomics, "developing new computational technologies for mapping the connections between neurons," and has been described as the cartographer of the brain.
Visual perception is the ability to interpret the surrounding environment through photopic vision, color vision, scotopic vision, and mesopic vision, using light in the visible spectrum reflected by objects in the environment. This is different from visual acuity, which refers to how clearly a person sees. A person can have problems with visual perceptual processing even if they have 20/20 vision.
William Eric Leifur Grimson is a Canadian-born computer scientist and professor at the Massachusetts Institute of Technology, where he served as Chancellor from 2011 to 2014. An expert in computer vision, he headed MIT's Department of Electrical Engineering and Computer Science from 2005 to 2011 and currently serves as its Chancellor for Academic Advancement.
Martin Jeffrey Steinbach was an American vision researcher who spent most of his career in Canada. He was Distinguished Research Professor Emeritus in the Department of Psychology at York University. He received a master's degree from Connecticut College in 1965 and a Ph.D. from Massachusetts Institute of Technology (MIT) in 1968.
Laura E. Schulz is a professor of cognitive science at the brain and cognitive sciences department of the Massachusetts Institute of Technology. She is the principal investigator of the Early Childhood Cognition Lab at MIT. Schulz is known for her work on the early childhood development of cognition, causal inference, discovery, and learning.
Richard Marx Held was an American professor of Brain and Cognitive Sciences at the Massachusetts Institute of Technology. He conducted some of the first research into visual perception of infants and children. He held a Civil Engineering degree from Columbia University, and earned a PhD in experimental psychology on auditory space perception from Harvard University. In 1973, Held was named to the National Academy of Sciences in recognition of his achievements in psychology. He was also a member of the American Academy of Arts and Sciences.
Dora Angelaki is a Professor of Neuroscience in the New York University Tandon School of Engineering. She previously held the Wilhelmina Robertson Professorship of Neuroscience at the Baylor College of Medicine. She looks at multi-sensory information flow between subcortical and cortical areas of the brain. Her research interests include spatial navigation and decision-making circuits. She was elected to the National Academy of Sciences in 2014.
References
- ↑ "Five MIT researchers win presidential early career honors". MIT News. July 23, 2012. Retrieved January 28, 2013.
- ↑ Faculty webpage at MIT Brain and Cognitive Science Department
- ↑ Project Prakash
- ↑ "Study of Vision Tackles a Philosophy Riddle". New York Times . August 25, 2011. Retrieved January 28, 2013.
- ↑ Pawan Sinha - Charlie Rose show
