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Monday, May 11, 2020 | History

5 edition of Visual attention and cortical circuits found in the catalog.

Visual attention and cortical circuits

Visual attention and cortical circuits

  • 366 Want to read
  • 15 Currently reading

Published by MIT Press in Cambridge, Mass .
Written in English

    Subjects:
  • Visual cortex,
  • Attention

  • Edition Notes

    Statementedited by Jochen Braun, Christof Koch, and Joel L. Davis.
    ContributionsBraun, Jochen., Koch, Christof., Davis, Joel L., 1942-
    Classifications
    LC ClassificationsQP383 .V58 2001
    The Physical Object
    Paginationxviii, 313 p., [12] p. of plates :
    Number of Pages313
    ID Numbers
    Open LibraryOL21095885M
    ISBN 100262024934
    LC Control Number00039447
    OCLC/WorldCa43854223

    Mapping brain circuits involved in attention. while another common theory suggests that PFC neurons directly interact with the brain’s sensory cortical areas to modulate attention. implying that the PFC modifies activity in areas of the thalamus in order to shift attention toward visual information. Attention and consciousness. These are perhaps benefited from proper divisions of papers into chapthe holy grails of our scientific quest into the mind. ters with section prefaces. Without this, it can often Whereas the latter is so difficult to even define, the be difficult to find a direct relevance amongst the former is somewhat more.

      We often focus on a particular item out of a thousand objects in a visual scene. This ability is called selective attention. Selective attention enhances the responses of sensory nerve cells to whatever is being observed and dampens responses to any distractions. Zhang et al. identified a region of the mouse forebrain that modulates responses in the visual cortex. This modulation improved the Cited by: Bartuccio, Maino eds Visual diagnosis and care of the patient with special needs. Lippincott Lueck, A () Cortical or Cerebral Visual Impairment in Children: A Brief Overview. JVIB, AFB press. Roman-Lantzy C. Cortical Visual Impairment: An approach to assessment and File Size: 1MB.

      Harris and Thiele review studies of state-dependent cortical processing in rodents and of attention in the primate visual system, and show that the two processes have many similarities. They Cited by: $\begingroup$ "the cortex (overall, or more specifically motor, visual, etc., as the case may be" I meant to imply that "cortical circuit" appears to broadly refer to the cortex, but there are instances of more specific uses. Visual cortex circuits, motor circuits, etc. $\endgroup$ – Amory Jul 30 '13 at


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Visual attention and cortical circuits Download PDF EPUB FB2

Aimed principally at the student and researcher working in cognitive neuroscience, this book reports the findings of the "Visual attention and cortical circuits" workshop held on Catalina Island, USA, in 4/5(2). Buy Visual Attention and Cortical Circuits (A Bradford Book): Read 2 Books Reviews - : Visual Attention and Cortical Circuits (A Bradford Book) eBook: Jochen Braun, Christof Koch, Joel L.

Davis: Kindle Store4/5(2). The book focuses mainly on the effects of visual attention on the ventral and dorsal streams of visual cortex in humans and monkeys and the associated changes in visual performance. Several larger findings emerge: attention may involve more than one neural system; attention modulates all stages of cortical visual processing; the effect of attention is constrained by the intrinsic connectivity of cortex.

Visual Attention and Cortical Circuits An attempt to derive a comprehensive theory of attention from both neurobiological and psychological data. Visual Attention and Cortical Circuits by Jochen Braun,available at Book Depository with free delivery worldwide.

Visual Attention and Cortical Circuits: Jochen Braun: We use cookies to give you the best possible experience. Visual attention and cortical circuits. [Jochen Braun; Christof Koch; Joel L Davis;] -- The neurobiology and psychology of attention have much to learn from each other.

This book attempts to bridge the two fields and to derive a comprehensive theory of attention from both. Visual Attention and Cortical Circuits Full Description: "An attempt to derive a comprehensive theory of attention from both neurobiological and psychological data.

The neurobiology and psychology of attention have much to learn from each other. years in a spatially selective mechanism of visual attention. For example, Posner () showed that giving a spatial cue, such as a momentary brightening of one of two frames, would speed responses to a target object that subsequently Visual Attention and Cortical Circuits.

presented in Visual Attention and Cortical Circuits in irrelevant pathways. This augmentation of relevant attempt to shed light on these important questions.

and suppression of irrelevant pathways then interacts The primary goal of the book is to bring together with the incoming visual. Visual Attention and Cortical Circuits edited by Jochen Braun, Christof Koch, and Joel L. Davis A Bradford Book 4 Frontal Lobe Function and the Control of Visual Attention 69 John Duncan 14 From Foundational Principles to a Hierarchical Selection Circuit for Attention John K.

Tsotsos, Sean M. Culhane, and Florin Cutzu. COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

Review of Visual Attention and Cortical Circuits: J. Braun, K. Christof & J. Davis Article in Cognitive Systems Research 4(1) March with 18 Reads How we measure 'reads'Author: Reza Farivar.

López Hidalgo M, Hoover WB and Schummers J () Spatial organization of astrocytes in ferret visual cortex.J Comp 1;(17) Estrada G, Beetle C, and Schummers J.

() Simple method to improve spatial resolution for in vivo two-photon fluorescence imaging.() Applied Optics Vol. 54, Is pp. Sharma J, Sugihara H, Katz Y, Schummers J, Tenenbaum J.

How are some thoughts favored over others. A wealth of data at the level of single neurons has yielded candidate brain areas and mechanisms for our best-understood model: visual attention.

Recent work has naturally evolved toward efforts at a more. This excerpt from Visual Attention and Cortical Circuits. By Jochen Braun, Christof Koch and Joel L. Davis. Abstract. is provided in screen-viewable form for personal use only by members of MIT CogNet.

Unauthorized use or dissemination of this information is expressly forbidden. If you have any questions about this material, please contact Author: Jochen Braun, Christof Koch and Joel L. Davis. “Visual attention” refers to the cognitive operations that allow us to efficiently deal with this capacity problem by selecting relevant information and by filtering out irrelevant information.

Attention is a highly flexible mechanism that can operate on regions of space, particular features of an. Just as volitional shifts of attention appear with a shorter latency in frontal cortex than in LIP, they are seen in LIP before visual cortical area MT.

Similar effects are seen in the ventral visual stream: attention to a visual stimulus first enhances the response of V4 neurons, then V2 neurons, and, finally, V1 neurons [ 21 ].Cited by: CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Attention and consciousness.

These are perhaps benefited from proper divisions of papers into chapthe holy grails of our scientific quest into the mind. ters with section prefaces. Without this, it can often Whereas the latter is so difficult to even define, the be difficult to find a direct relevance amongst the.

Similar effects are seen in the ventral visual stream: attention to a visual stimulus first enhances the response of V4 neurons, then V2 neurons, and, finally, V1 neurons. This cascade presumably allows the top-down signals to selectively enhance the level of stimulus representation (cortical hierarchy level) appropriate for the task at by:   Finally we use innate and learned behaviors to determine how perturbation of neuronal activity in visual cortex affects reflexive motor actions and perceptions.

Revealing the neuronal circuits that underlie cortical responses to sensory activity is fundamental for our understanding of cortical. Cortical circuits for the control of attention Gamma oscillations are synchronized during bottom-up attention between monkey cortical visual areas (Bosman et al., ) and between pFC and.

The current study demonstrates PA- and AP-sensitive circuits are distinct and have differential sensitivity to visual attention demands. The AP circuit likely reflects afferent influence at the level of supplementary/premotor cortex that is fed to motor cortex via cortico-cortical by: 5.

We present a biologically plausible model of an attentional mechanism for forming position- and scale-invariant representations of objects in the visual world. The model relies on a set of control neurons to dynamically modify the synaptic strengths of intracortical connections so that information from a windowed region of primary visual cortex (V1) is selectively routed to higher cortical Cited by: