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Displaying 1 to 12 of 12 results for perception

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  • Allan Gottschalk Lab

    Research in the Allan Gottschalk Lab focuses on the mechanisms behind neuropathic pain, chronic pain related to nerve injury. We are investigating biophysical models of the impact of general anesthesia on the central nervous system; informational aspects of sensory perception and the representation of sensory input; nonlinear dynamics of respiratory pattern generation; and acute perioperative pain.

    Research Areas: sensory perception, nerve injury, central nervous system, neuropathy, neuropathic pain, anesthesia, pain

  • Brown Lab

    The Brown Lab is focused on the function of the cerebral cortex in the brain, which underlies our ability to interact with our environment through sensory perception and voluntary movement. Our research takes a bottom-up approach to understanding how the circuits of this massively interconnected network of neurons are functionally organized, and how dysfunction in these circuits contributes to neurodegenerative diseases like amyotrophic lateral sclerosis and neuropsychiatric disorders, including autism and schizophrenia. By combining electrophysiological and optogenetic approaches with anatomical and genetic techniques for identifying cell populations and pathways, the Brown Lab is defining the synaptic interactions among different classes of cortical neurons and determining how long-range and local inputs are integrated within cortical circuits. In amyotrophic lateral sclerosis, corticospinal and spinal motor neurons progressively degenerate. The Brown Lab is examining how abnormal ...activity within cortical circuits contributes to the selective degeneration of corticospinal motor neurons in an effort to identify new mechanisms for treating this disease. Abnormalities in the organization of cortical circuits and synapses have been identified in genetic and anatomical studies of neuropsychiatric disease. We are interested in the impact these abnormalities have on cortical processing and their contribution to the disordered cognition typical of autism and schizophrenia. view more

    Research Areas: autism, neurodegenerative diseases, brain, electrophysiology, ALS, schizophrenia, cerebral cortex, optogenetics

    Lab Website

    Principal Investigator

    Solange Brown, M.D., Ph.D.

    Department

    Neuroscience

  • Clinical and Computational Auditory neuroscience

    Our laboratory investigates the neural bases of sound processing in the human brain. We combine electrophysiology recordings (intracranial, scalp), behavioral paradigms, and statistical modeling methods to study the cortical dynamics of normal and impaired auditory perception. We are interested in measuring and modeling variability in spatiotemporal cortical response patterns as a function of individual listening abilities and acoustic sound properties. Current studies are investigating the role of high-frequency (>30 Hz) neural oscillations in human auditory perception.

    Research Areas: vestibular disorders

    Lab Website

    Principal Investigator

    Dana Boatman, Ph.D.

    Department

    Neurology

  • Ed Connor Laboratory

    The Connor Laboratory focuses on understanding the neural algorithms that make object vision possible. The goal of our research is to explain the neural basis of visual experience and contribute to designs for more powerful machine vision systems and brain-machine interfaces.

    Research Areas: vision, brain-machine interfaces, object perception

    Principal Investigator

    Charles Connor, Ph.D.

    Department

    Neuroscience

  • Kathleen Cullen Lab

    We are continually in motion. This self-motion is sensed by the vestibular system, which contributes to an impressive range of brain functions, from the most automatic reflexes to spatial perception and motor coordination. The objective of Dr. Cullen's lab's research program is to understand the mechanisms by which self-motion (vestibular) information is encoded and then integrated with signals from other modalities to ensure accurate perception and control of gaze and posture. Our studies investigate the sensorimotor transformations required for the control of movement, by tracing the coding of vestibular stimuli from peripheral afferents, to behaviorally-contingent responses in central pathways, to the readout of accurate perception and behavior. Our experimental approach is multidisciplinary and includes a combination of behavioral, neurophysiological and computational approaches in alert behaving non-human primates and mice. Funding for the laboratory has been and is provided by th...e Canadian Institutes for Health Research (CIHR), The National Institutes of Health (NIH), the National Sciences and Engineering Research Council of Canada (NSERC), FQRNT / FQRSC (Quebec). view more

    Research Areas: otolaryngology, biomedical engineering, surgery, neuroscience

  • Kristina Nielsen Laboratory

    The Kristina Nielsen Laboratory investigates neural circuits in the visual cortex that are responsible for encoding objects to understand how the visual system performs object recognition. We aim to reveal the fine-scale organization of neural circuits, with an emphasis on higher-level visual areas. We use two-photon microscopy to perform high-resolution functional imaging of visual areas in the non-human primate. We also investigate how the function of higher visual areas changes over the course of brain development in ferrets, by measuring the activity of single neurons in these areas, as well as determining the animal's visual capabilities at various developmental stages. In both types of investigations, we also rely on detailed anatomical techniques to precisely observe how the function of neuronal circuits is related to their structure.

    Research Areas: neural circuits, neurons, imaging, vision, photon microscopy, object perception

    Lab Website

    Principal Investigator

    Kristina Nielsen, Ph.D.

    Department

    Neuroscience

  • Laboratory of Auditory Neurophysiology

    Research in the Laboratory of Auditory Neurophysiology aims to understand brain mechanism responsible for auditory perception and vocal communication in a naturalistic environment. We are interested in revealing neural mechanisms operating in the cerebral cortex and how cortical representations of biologically important sounds emerge through development and learning.

    We use a combination of state-of-the-art neurophysiological techniques and sophisticated computational and engineering tools to tackle our research questions.

    Current research in our laboratory includes the following areas (1) neural basis of auditory perception, (2) neural mechanisms for vocal communication and social interaction, and (3) cortical processing of cochlear implant stimulation.

    Research Areas: neurophysiology, neuroengineering, audiology, cochlear implant, learning, language

    Lab Website

    Principal Investigator

    Xiaoqin Wang, Ph.D.

    Department

    Biomedical Engineering

  • Marie Hanna Lab

    The Marie Hanna Lab conducts research on key topics within the field of anesthesiology. Our interests include both regional and obstetric anesthesia as well as patient-controlled analgesia, pain measurement, post-operative pain and acute pain management. Examples of our work include researching whether a surgery patient’s perception of pain control affects his or her satisfaction level and a comparison of air and liquid for use in the loss-of-resistance technique during labor epidurals.

    Research Areas: medical education, analgesia, anesthesia, obstetrics, pain

  • Neuro-Vestibular and Ocular Motor Laboratory

    In our laboratory we study the brain mechanisms of eye movements and spatial orientation.

    -How magnetic stimulation through transcranial devices affects cortical brain regions
    -Neural mechanisms underlying balance, spatial orientation and eye movement
    -Mathematical models that describe the function of ocular motor systems and perception of spatial orientation
    -Short- and long-term adaptive processes underlying compensation for disease and functional recovery in patients with ocular motor, vestibular and perceptual dysfunction
    Developing and testing novel diagnostic tools, treatments, and rehabilitative strategies for patients with ocular motor, vestibular and spatial dysfunction

    Research Areas: perception of spatial orientation, ocular motor physiology

    Principal Investigator

    Amir Kheradmand, M.D.

    Department

    Neurology

  • O'Connor Lab

    How do brain dynamics give rise to our sensory experience of the world? The O'Connor lab works to answer this question by taking advantage of the fact that key architectural features of the mammalian brain are similar across species. This allows us to leverage the power of mouse genetics to monitor and manipulate genetically and functionally defined brain circuits during perception. We train mice to perform simple perceptual tasks. By using quantitative behavior, optogenetic and chemical-genetic gain- and loss-of-function perturbations, in vivo two-photon imaging, and electrophysiology, we assemble a description of the relationship between neural circuit function and perception. We work in the mouse tactile system to capitalize on an accessible mammalian circuit with a precise mapping between the sensory periphery and multiple brain areas. Our mission is to reveal the neural circuit foundations of sensory perception; to provide a framework to understand how circuit dysfunction causes ...mental and behavioral aspects of neuropsychiatric illness; and to help others fulfill creative potential and contribute to human knowledge. view more

    Research Areas: brain, mental illness, neuroscience, perception

    Lab Website

    Principal Investigator

    Daniel O'Connor, M.A., Ph.D.

    Department

    Neuroscience

  • Systems Neurobiology Laboratory

    The Systems neurobiology Laboratory is a group of laboratories that all study various aspects of neurobiology. These laboratories include: (1) computational neurobiology Laboratory: The goal of their research is to build bridges between brain levels from the biophysical properties of synapses to the function of neural systems. (2) computational Principles of Natural Sensory Processing: Research in this lab focuses on the computational principles of how the brain processes information. (3) Laboratory for Cognitive neuroscience: This laboratory studies the neural and genetic underpinnings of language and cognition. (4) Sloan-Swartz Center for Theoretical neurobiology: The goal of this laboratory is develop a theoretical infrastructure for modern experimental neurobiology. (5) Organization and development of visual cortex: This laboratory is studying the organization and function of neural circuits in the visual cortex to understand how specific neural components enable visual perception ...and to elucidate the basic neural mechanisms that underlie cortical function. (6) Neural mechanism of selective visual attention: This laboratory studies the neural mechanisms of selective visual attention at the level of the individual neuron and cortical circuit, and relates these findings to perception and conscious awareness. (7) Neural basis of vision: This laboratory studies how sensory signals in the brain become integrated to form neuronal representation of the objects that people see. view less

    Research Areas: cognition, systems biology, brain, vision, neuroscience, perception

  • Zanvyl Krieger Mind/Brain Institute

    The Zanvyl Krieger Mind/Brain Institute is dedicated to the study of the neural mechanisms of higher brain functions using modern neurophysiological, anatomical and computational techniques. Our researchers use various approaches to understand information processing and its influence on perception, memory, abstract thought, complex behavior and consciousness. Systems and cognitive laboratories use neurophysiology, brain imaging and psychophysics to develop a quantitative, network-level understanding of cognitive information processing. Other researchers use analytical approaches such as system identification, dimensionality reduction, information theory and network modeling to understand information processing. Other areas of research in the Institute include the study of how visual and tactile information processing leads to perception and understanding of two- and three-dimensional objects. Another focus is on neural processing and recognition of speech and other complex sounds. St...ill other laboratories study neural mechanisms of attention, memory formation, motor learning, decision-making and executive control of behavior. view more

    Research Areas: brain, neurophysiology, consciousness, neuroscience, perception

    Lab Website

    Principal Investigator

    Charles Connor, Ph.D.

    Department

    Neuroscience

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