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Tuesday, July 21, 2020 | History

2 edition of Visual long-term memory for spatial location and object identity in humans found in the catalog.

Visual long-term memory for spatial location and object identity in humans

Stefan Köhler

Visual long-term memory for spatial location and object identity in humans

neural correlates and cognitive processes.

by Stefan Köhler

  • 374 Want to read
  • 16 Currently reading

Published .
Written in English

    Subjects:
  • Brain -- Localization of functions,
  • Memory -- Physiological aspects,
  • Perception -- Physiological aspects

  • Edition Notes

    Thesis (Ph.D.)--University of Toronto, 1995.

    The Physical Object
    Pagination185 leaves.
    Number of Pages185
    ID Numbers
    Open LibraryOL18692949M
    ISBN 100612073262

    ), posits that when attention is directed to an object, the visual features and location information are bound into an object le (Kahneman & Treis-man, ) that is maintained in visual short term memory across saccades. Psychophysics experiments have further shown that up to three or four object les may be retained in memory (Irwin, ). High-precision visual long-term memory in children with high-functioning autism. Journal of Abnormal Psychology, (2), Abstract. Won, B.Y., Jiang, Y.V. (). Spatial working memory interferes with explicit, but not probabilistic cuing of spatial attention. Journal of Experimental Psychology: Learning, Memory, & Cognition, 41(3.

    the logic to the issue of visual vs. spatial working mem- ory. In a task that has previously been shown to involve spatial working memory (e.g., Goldman-Rakic, ), adult monkeys were trained to remember the spatial location of a single target stimulus for a sec delay period before executing a saccade to that location. Neu-. object mechanisms in visual working memory interact to store and maintain object representations across time. Rainer, Asaad, and Miller () found that prefrontal neu-rons that code for spatial location were interspersed with neurons that coded for object identity, indicating a lack of anatomical segregation of spatial and object information. In.

    Double dissociation of spatial and object visual memory: Evidence from selective interference in intact human subjects. Neuropsychologia, 31, – Ungerlei der, L. G., & Mishkin, M. (). many properties of visual objects including size, color, orientation, number, and spatial layout. Short-term visual memory can result from active encoding and retention of information in visual working memory (Phillips, ), or as a by-product of perceptual analysis of a previous trial event (Maljkovic & Nakayama, , ).


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Visual long-term memory for spatial location and object identity in humans by Stefan Köhler Download PDF EPUB FB2

Distinct neural correlates of visual long-term memory for spatial location and object identity: a positron emission tomography study in humans.

C Moscovitch, S Kapur, S Köhler, and S Houle Department of Psychology, University of Toronto, Mississauga, ON, by: Visual memory describes the relationship between perceptual processing and the encoding, storage and retrieval of the resulting neural representations.

Visual memory occurs over a broad time range spanning from eye movements to years in order to visually navigate to a previously visited location.

Visual memory is a form of memory which preserves some characteristics of our senses pertaining to. Distinct Neural Correlates of Visual Long-Term Memory for Spatial Location and Object Identity: A Positron Emission Tomography Study in Humans. and object identity from long-term memory.

The purpose of the present study was to investigate by using positron emission tomography (PET) whether the cortical pathways that are involved in visual perception of spatial location and object identity are also differentially implicated in retrieval of these types of information from episodic long-term memory.

Subjects studied a set of displays consisting of three unique Cited by: activated during retrieval of information about spatial location and object identity from long-term memory. A primary question in research on the neuroanatomical basis of memory is whether long-term memory (LTM) for object identity and spatial location is mediated by different neural systems ().

With regard to perception, studies in humans. Memory for Object Location. Visual working memory obviously retains information that extends beyond object identities. For example, it must also encode locations of objects.

For example, visual search is more efficient if an observer can remember the locations they previously searched because they can avoid revisiting them again in the future.

Distinct neural correlates of visual long-term memory for spatial location and object identity: A positron emission tomography study in dings of the National Academy of Sciences,92, – Article; Google Scholar. Visual-spatial memory skills are how you learn about the world right from the beginning.

As a baby, your visual-spatial skills are especially strong. Perhaps because babies haven’t yet developed language skills, they’re able to quickly take a snapshot of the world and remember certain visual features.

Think for a moment about a baby’s world. You [ ]. Moscovitch C, Kapur S, Köhler S, Houle S. Distinct neural correlates of visual long-term memory for spatial location and object identity: a positron emission tomography study in humans. Proc Natl Acad Sci U S A. Apr 25; 92 (9)– [PMC.

activated duringretrieval ofinformation aboutspatial location andobject identity fromlong-term memory. Aprimaryquestion in research onthe neuroanatomical basis of memory is whether long-term memory (LTM) for object identity and spatial location is mediated by different neural systems (). With regard to perception, studies in humans.

The dissociability of working memory for name identity (verbal information), visual objects, and spatial location was explored in 3 experiments. In cognitive psychology and neuroscience, spatial memory is a form of memory responsible for the recording of information about one's environment and spatial orientation.

For example, a person's spatial memory is required in order to navigate around a familiar city, just as a rat's spatial memory is needed to learn the location of food at the end of a maze. Abstract. The purpose of the present study was to investigate by using positron emission tomography (PET) whether the cortical pathways that are involved in visual perception of spatial location and object identity are also differentially implicated in retrieval of these types of information from episodic long-term memory.

Tulving () defined episodic memory as memory for what, where, and when. Clayton and Dickinson’s () behavioral model for animals was adapted to examine what, where, and when memory in humans. Participants viewed unique visual scenes of furnished homes in both blocked and mixed designs.

They were tested separately for memory of objects (What), spatial configurations. Object Location Memory Task. The Object-Location Memory task assesses cognition, specifically spatial memory and discrimination, in rodent models of CNS disorders.

This test is based on the spontaneous tendency of rodents to spend more time exploring a novel object than a familiar object and also to recognize when an object has been relocated. the ability to immediately recall the characteristics of a given object or form.

This skill helps children remember what they read and see by adequately processing information through their short-term memory and into the long-term memory. Children with poor visual memory may struggle with. Visual Memory. Visual Memory is the ability to remember for immediate recall the characteristics of a given object or form.

If we have trouble inputting information into our short term memory, we can’t process it into our long term memory for permanent storage. Children with poor visual memory may struggle with comprehension. Working memory function depends on the complex interactions between the prefrontal cortex, posterior cortex, basal ganglia, white matter, and neurotransmitter systems.

Representations in working memory are based in separate regions of the posterior cortex depending on the type of material, such as visuospatial, visual object, or verbal.

Spatial memory, the storage and retrieval of information within the brain that is needed both to plan a route to a desired location and to remember where an object is located or where an event occurred. Finding one’s way around an environment and remembering where things are within it are crucial everyday processes that rely on spatial animals navigate the world, they store.

With photographic memory, the image of the object is preserved in short-term or long-term memory. The person who has a photographic memory can close their eyes and see the object in their mind's eye just as clearly as if they had taken a photograph, even days or weeks after they saw the object.

This hybrid of review and personal essay argues that models of visual construction are essential to extend spatial navigation models to models that link episodic memory and imagination.

The starting point is the TAM–WG model, combining the Taxon Affordance Model and the World Graph model of spatial navigation.Spatial memory is the type of memory that allows you to remember where things are.

It is the memory that you use to remember where things are located both on a short-term and long-term basis. Some of the spatial memory tasks used in research include being able to remember where an object was located in an array of objects.

Any time you are. (C) The graphs present the means for spatial location accuracy, and space-time binding adjusted for spatial location accuracy (left), and for object identity accuracy, and object-time binding.