Ralph D. Freeman

What is he best known for?

The fields of study he is best known for:

• Neuroscience
• Optics
• Visual cortex

His scientific interests lie mostly in Visual cortex, Neuroscience, Receptive field, Spatial frequency and Stimulus. The various areas that Ralph D. Freeman examines in his Visual cortex study include Electrophysiology, Communication, Cerebral cortex, Visual perception and Artificial intelligence. His study focuses on the intersection of Electrophysiology and fields such as Central nervous system with connections in the field of Photic Stimulation.

Ralph D. Freeman undertakes multidisciplinary investigations into Receptive field and Population in his work. He has researched Spatial frequency in several fields, including Monocular and Contrast. Ralph D. Freeman has included themes like Surround suppression, Orientation column and Optics in his Stimulus study.

His most cited work include:

• Stereoscopic depth discrimination in the visual cortex: neurons ideally suited as disparity detectors (640 citations)
• Contrast gain control in the cat's visual system (465 citations)
• Length and width tuning of neurons in the cat's primary visual cortex (424 citations)

What are the main themes of his work throughout his whole career to date?

His primary areas of study are Visual cortex, Neuroscience, Receptive field, Stimulus and Spatial frequency. His study in Visual cortex is interdisciplinary in nature, drawing from both Monocular, Binocular vision and Communication. His Receptive field study integrates concerns from other disciplines, such as Surround suppression and Neuron.

The Stimulus study combines topics in areas such as Orientation column, Striate cortex, Neurophysiology and Functional magnetic resonance imaging. His Spatial frequency research focuses on subjects like Orientation, which are linked to Optometry. He combines subjects such as Binocular disparity and Neural coding with his study of Binocular neurons.

He most often published in these fields:

• Visual cortex (65.84%)
• Neuroscience (61.49%)
• Receptive field (26.71%)

What were the highlights of his more recent work (between 2005-2017)?

• Neuroscience (61.49%)
• Visual cortex (65.84%)
• Stimulus (24.22%)

In recent papers he was focusing on the following fields of study:

Ralph D. Freeman mainly focuses on Neuroscience, Visual cortex, Stimulus, Visual system and Lateral geniculate nucleus. His study in Stimulation, Photic Stimulation, Local field potential, Receptive field and Functional magnetic resonance imaging is carried out as part of his studies in Neuroscience. As a part of the same scientific study, Ralph D. Freeman usually deals with the Receptive field, concentrating on Surround suppression and frequently concerns with Facilitation.

Ralph D. Freeman studies Visual cortex, focusing on Binocular neurons in particular. His research in Stimulus intersects with topics in Neurophysiology, Orientation column, Striate cortex, Neural Inhibition and Brain mapping. His work carried out in the field of Striate cortex brings together such families of science as Neuron and Optics.

Between 2005 and 2017, his most popular works were:

• Neurometabolic coupling in cerebral cortex reflects synaptic more than spiking activity. (340 citations)
• Transcranial magnetic stimulation elicits coupled neural and hemodynamic consequences (223 citations)
• Analysis of oxygen metabolism implies a neural origin for the negative BOLD response in human visual cortex. (141 citations)

In his most recent research, the most cited papers focused on:

• Neuroscience
• Optics
• Visual perception

His main research concerns Neuroscience, Visual cortex, Stimulus, Visual system and Photic Stimulation. Neuroscience connects with themes related to Cerebral blood flow in his study. His work in Visual cortex addresses subjects such as Neuroimaging, which are connected to disciplines such as Central nervous system and Electrophysiology.

The concepts of his Stimulus study are interwoven with issues in Neurophysiology, Striate cortex, Functional magnetic resonance imaging and Neuron. His research brings together the fields of Spatial frequency and Visual system. His Extracellular study deals with Lateral geniculate nucleus intersecting with Surround suppression, Visual processing, Binocular neurons, Communication and Receptive field.