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See searches and references containing VISUAL CORTEX!VISUAL CORTEX
Region of the brain that processes visual information
In mammals, the visual cortex of the brain is the area of the cerebral cortex that processes visual information. The visual cortex is located in the occipital
Visual_cortex
Body parts responsible for vision
cornea and lens) and the neural system (including the retina and visual cortex). The visual system performs a number of complex tasks based on the image forming
Visual_system
Outer layer of the cerebrum of the mammalian brain
in the motor cortex, and sight in the visual cortex. The motor cortex is primarily located in the precentral gyrus, and the visual cortex is located in
Cerebral_cortex
Protein-coding gene in the species Homo sapiens
limits experience-driven visual cortex plasticity. In mutant mice, non-functional NgR resulted in enhancement of visual cortex plasticity after the critical
Reticulon_4_receptor
Part of the brain at the back of the head
is the visual processing center of the mammalian brain, containing most of the anatomical region of the visual cortex. The primary visual cortex is Brodmann
Occipital_lobe
Representation in the mind of objects, activities or events, whether they existed or not
left or right, activation begins in the visual association cortex, the parietal cortex, and the prefrontal cortex—all higher cognitive processing centers
Mental_image
Condition of having extremely vivid mental imagery
early visual cortex and the frontal cortex. Recent research has shown the relationship between the size (surface area) of the early visual cortex (V1-V3)
Hyperphantasia
Visual impairment
with visual snow syndrome. In September 2021, two studies found white matter alterations in parts of the visual cortex and outside the visual cortex in
Visual_snow_syndrome
Visual response in some blind people
respond to visual stimuli that they do not consciously see due to lesions in the primary visual cortex, also known as the striate cortex or Brodmann
Blindsight
Part of the nervous system
somatosensory cortex. The visual cortex is the part of the cerebral cortex that processes visual information. Processing in the visual cortex starts in the
Sensory_nervous_system
Brain region responsible for colour processing
labelled visual area 4 (V4). The exact mechanisms, location, and function of V4 are still being investigated. The primary part of the visual cortex, (V1)
Colour_centre
Phenomena in vision
Electro-physiological recordings in retinal ganglion cells, LGN and primary visual cortex showed that neurons of these areas responded to luminance modulation
Filling-in
Ability to interpret the surrounding environment using light in the visible spectrum
signals to the primary visual cortex, also called striate cortex. Extrastriate cortex, also called visual association cortex is a set of cortical structures
Visual_perception
Indian neuroscientist
circuits to generate visual maps, process vision, and mediate visual behavior . These discoveries provide a powerful demonstration that cortex is a reconfigurable
Mriganka_Sur
52 distinct regions of the brain's cerebral cortex
cortex; area 4 is the primary motor cortex; area 17 is the primary visual cortex; and areas 41 and 42 correspond closely to primary auditory cortex.
Brodmann_area
Hallucinations primarily involving the sense of sight
visual hallucinations – serotonin and acetylcholine. They are concentrated in the visual thalamic nuclei and visual cortex. The similarity of visual hallucinations
Visual_hallucination
Angle an object subtends at the eye
in the performance of the eye or the first processing steps in the visual cortex, it does not make sense to refer to the absolute size of a viewed object
Visual_angle
Outermost layer of an organ
are served by the primary visual cortex, the primary auditory cortex, and primary somatosensory cortex. The cerebellar cortex is the thin gray surface
Cortex_(anatomy)
Delimited medium where some stimuli can evoke neuronal responses
particular cell will respond. In the case of binocular neurons in the visual cortex, receptive fields do not extend to optical infinity. Instead, they are
Receptive_field
Region of the brain's occipital cortex
extrastriate cortex is the region of the occipital cortex of the mammalian brain located next to the primary visual cortex. Primary visual cortex (V1) is also
Extrastriate_cortex
Visual maladies
the nasal visual field of both eyes cross over to the opposite side)→Optic tract→Lateral geniculate body→Optic radiation→Primary visual cortex The type
Visual_pathway_lesions
Ability to process visual and spatial information
stream have a more inferior location in the temporal cortex, whereas areas specialized for the visual-spatial location of objects in the dorsal stream have
Visual_memory
Inability to picture something in one's mind
with visual imagery, this time by indirectly measuring cortical excitability in the primary visual cortex (V1). In 2018, a study analyzing the visual working
Aphantasia
Type of brain development capacity
auditory and visual systems but can cause reorganization in tactile and olfactory systems too. In people who are blind, the visual cortex is still in active
Cross_modal_plasticity
Visual illusion
electrical, or magnetic stimulation of the retina or visual cortex, or by random firing of cells in the visual system. Phosphenes that are induced by movement
Phosphene
Recurringly observed geometric pattern
of drugs in several religions Visual cortex – Region of the brain that processes visual information Visual snow – Visual impairmentPages displaying short
Form_constant
Clarity of vision
to surgery. The visual cortex is the part of the cerebral cortex in the posterior part of the brain responsible for processing visual stimuli, called
Visual_acuity
Learning style
the visual cortex of the brain. The visual cortex is located in the occipital lobe of the brain and harbors many other structures that aid in visual recognition
Visual_learning
In neurophysiology, a reduction of neuronal synapse efficacy
in the visual cortex, and it is proposed to be involved in ocular dominance. Recurring low-frequency stimulation of layer IV of the visual cortex or the
Long-term_depression
American psychologist
how the human visual cortex is organized functionally and anatomically, how it develops, and how its neural computations give rise to visual perception.
Kalanit_Grill-Spector
Experience of hallucinations by blind people
perception, and the visual cortex (the locus of visual hallucinations). Compelling evidence details the role homeostatic operations in the cortex play in regards
Visual_release_hallucinations
Nervous system stimuli filtration process
respond become more and more specific. For example, simple cells in the visual cortex of the domestic cat (Felis catus), respond to edges—a feature which
Feature detection (nervous system)
Feature_detection_(nervous_system)
Impairment in recognition of visually presented objects
blindness results from lesions to primary visual cortex, visual agnosia is often due to damage to more anterior cortex such as the posterior occipital and/or
Visual_agnosia
known since the turn of the century that the visual image recorded by the retina is relayed to visual cortex in the form of an orderly two dimensional pattern
Eric_L._Schwartz
Neural oscillation in the 25–140Hz range
recorded from the visual cortex of awake monkeys. Subsequently, significant research activity has concentrated on gamma activity in visual cortex. Gamma activity
Gamma_wave
Cognitive ability to interpret visual information
diverges into two visual pathways, the geniculostriate pathway and the tectopulvinar pathway, which send visual information to the visual cortex of the occipital
Visual_processing
Characteristic of any structure that is periodic across a position in space
and phase. The spatial-frequency theory refers to the theory that the visual cortex operates on a code of spatial frequency, not on the code of straight
Spatial_frequency
Symptom of epilepsy and migraine
consciousness. The aura of migraine is visual in the vast majority of cases, because dysfunction starts from the visual cortex. The aura is usually followed,
Aura_(symptom)
Brain cell
A simple cell in the primary visual cortex is a cell that responds primarily to oriented edges and gratings (bars of particular orientations). Torsten
Simple_cell
Neural pathway in the visual system
axons from the neurons in the lateral geniculate nucleus to the primary visual cortex. The optic radiation receives blood through deep branches of the middle
Optic_radiation
Model of the neural processing of vision and hearing
space. The dorsal stream projects from the primary visual cortex to the posterior parietal cortex. It was initially termed the "where" pathway since it
Two-streams_hypothesis
Part of the brain responsible for sensing
right hemisphere): the visual cortex on the occipital lobes, the auditory cortex on the temporal lobes, the primary olfactory cortex on the uncus of the
Sensory_cortex
Part of the temporal lobe of the brain
There are multiple auditory areas (much like the multiple areas in the visual cortex), which can be distinguished anatomically and on the basis that they
Auditory_cortex
Italian-American neuroscientist
studies the visual cortex at the level of individual neurons and populations of neurons, their intercommunication within the visual cortex, with a particular
Matteo_Carandini
German physiologist
cortical lesions in the visual areas lead to blindness. He called blindness experienced after the posterior portion of the occipital cortex was damaged Seelenblindheit
Hermann_Munk
Israeli scientist (born 1958)
monkeys naturally categorized visual images according to their ordinal number. The loss of vision does not render the visual cortex completely useless. Instead
Ehud_Zohary
Neuroscience theory
about V1, the primary visual cortex (V1). It proposes that the V1 in primates creates a saliency map of the visual field to guide visual attention or gaze
V1_Saliency_Hypothesis
Component of the visual system in the brain's thalamus
pathway to the primary visual cortex. In addition, the LGN receives many strong feedback connections from the primary visual cortex. In humans as well as
Lateral_geniculate_nucleus
Canadian neurophysiologist (1926–2013)
neurophysiologist noted for his studies of the structure and function of the visual cortex. He was co-recipient with Torsten Wiesel of the 1981 Nobel Prize in
David_H._Hubel
Regions of neurons in the brain
neurons that are excited by visual line stimuli of varying angles. These columns are located in the primary visual cortex (V1) and span multiple cortical
Orientation_column
One of three gyri of the temporal lobe of the brain
temporal gyrus – otherwise referenced as IT cortex – is associated with visual stimuli processing, namely visual object recognition, and has been suggested
Inferior_temporal_gyrus
Ocular dominance columns are stripes of neurons in the visual cortex of certain mammals (including humans) that respond preferentially to input from one
Ocular_dominance_column
theorized to be evoked within the visual cortices of the brain with C1 being linked to the primary visual cortex (striate cortex) of the human brain and the
C1_and_P1
Psychological phenomenon
order to look for the missing visual signals.[better source needed] The noise is interpreted in the higher visual cortex, and gives rise to hallucinations
Ganzfeld_effect
Organ central to the nervous system
expansion of the cerebral cortex, especially the prefrontal cortex and the parts of the cortex involved in vision. The visual processing network of primates
Brain
Physiological capacity
or damage to the visual cortex, but still have functional eyes, are actually capable of some level of vision and reaction to visual stimuli but not a
Sense
Maturational stage in the lifespan of an organism
formation of ocular dominance columns within the visual system. Early in development, most of the visual cortex is binocular, meaning it receives roughly equal
Critical_period
Primary cortical regions of the five sensory systems in the brain
routed through the thalamus. Vision: The visual area known as V1, striate cortex, or (primary visual cortex, Brodmann area 17) is located on the calcarine
Primary_sensory_areas
Type of feedforward neural network
organization of the animal visual cortex. Individual cortical neurons respond to stimuli only in a restricted region of the visual field known as the receptive
Convolutional_neural_network
Relation between visual stimuli and neuron activation in the visual cortex
the visual cortex are 'responsible' for processing a stimulus of a given size, as a function of visual field location. In the center of the visual field
Cortical_magnification
Structure in the brain
computational unit of the cerebral cortex". Minicolumns comprise perhaps 80–120 neurons, except in the primate primary visual cortex (V1), where there are typically
Cortical_minicolumn
neurons in the visual system that assist in the creation of stereopsis from binocular disparity. They have been found in the primary visual cortex where the
Binocular_neurons
Experimental medical device developed by Neuralink Corp
developed to enable individuals with total visual impairment due to damage to the optic nerve but with intact visual cortex, to see. This is made possible by bypassing
Blindsight_(Neuralink)
Distortion in the perception of time
the visual cortex once again resumes processing visual information. For the student, their eyes have now reached the clock and their brain's visual cortex
Chronostasis
Mapping of visual input from the retina to neurons
lateral geniculate nucleus, the optic tectum, the primary visual cortex (V1), and higher visual areas (V2-V4). Retinotopic maps in cortical areas other
Retinotopy
Psychological focus, perception and prioritising discrete information
brainstem. Experimental evidence supports the idea that the primary visual cortex (V1) constructs a bottom-up saliency map, relayed to the superior colliculus
Attention
Type of perceptual task requiring attention
nucleus was identified during visual search tasks. There is evidence for the V1 Saliency Hypothesis that the primary visual cortex (V1) creates a bottom-up
Visual_search
American para-alpine skier (born 1953)
brain is dependent upon visual input. The effect of visual loss affects the development of the visual cortex of the brain—the visual impairment causes the
Mike_May_(skier)
Mapping senses to the central nervous system
visual cortex (V1); adjacent spots on the retina are represented by adjacent neurons in the lateral geniculate nucleus and the primary visual cortex.
Topographic map (neuroanatomy)
Topographic_map_(neuroanatomy)
Device intended to restore vision to blind people
electrical current (e.g., electrically stimulating the retina or the visual cortex) to provide sight dates back to the 18th century, discussed by Benjamin
Visual_prosthesis
macula. It appears in people with damage to one hemisphere of their visual cortex, and occurs simultaneously with bilateral homonymous hemianopia or homonymous
Macular_sparing
Human ability to detect surroundings using sounds
normally process visual information in sighted people, primarily the primary visual cortex or V1. This result is surprising, as visual areas are normally
Human_echolocation
Brain cell involved in visual processing
Complex cells can be found in the primary visual cortex (V1), the secondary visual cortex (V2), and Brodmann area 19 (V3). Like a simple cell, a complex
Complex_cell
topographic organization of visual cortex (retinotopy), visual awareness, visual pattern detection/discrimination, visual motion perception, stereopsis
David_Heeger
Each side of the forebrain represents the opposite side of the body
retinal field image on the visual cortex. The pupil in the vertebrates' eyes inverts the image on the retina, so that the visual periphery projects to the
Contralateral_brain
Innate ability to detect differences in magnitude without counting
The primary visual cortex is responsible for disregarding irrelevant information, such as the size or shape of the objects. Certain visual cues can sometimes
Approximate_number_system
Condition of reduced emotional reactivity in an individual
cingulate cortex, insula, ventrolateral orbitofrontal cortex, anterior temporal pole, amygdala, medial prefrontal cortex and extrastriate visual cortex. Individuals
Reduced_affect_display
Branch of neuroscience
Hodgkin-Huxley model. Hubel and Wiesel discovered that neurons in the primary visual cortex, the first cortical area to process information coming from the retina
Computational_neuroscience
Optical Illusion
visual cortex of the cat or the monkey, there are also orientation detectors in the human brain. Any orientation detector in the human visual cortex is
Visual_tilt_effects
the visual cortex, when such cells increase impulse or signal activity for specific oriented degree of lines or bars presented within the visual field
Orientation_selectivity
American computer scientist (born 1976)
"Neural mechanisms of rapid natural scene categorization in human visual cortex". Nature. 460 (7251): 94–97. doi:10.1038/nature08103. PMC 2752739. PMID 19506558
Fei-Fei_Li
Area of the brain's visual cortex involved in identifying body parts
extrastriate body area (EBA) is a subpart of the extrastriate visual cortex involved in the visual perception of human body and body parts, akin in its respective
Extrastriate_body_area
How humans perceive color
types of photoreceptors, cones and rods, which send signals to the visual cortex, which in turn processes those signals into a subjective perception
Color_constancy
the visual cortex. These results may illustrate the role of GABA in mechanisms that regulate the overall level of neural activity in visual cortex, and
Visual processing abnormalities in schizophrenia
Visual_processing_abnormalities_in_schizophrenia
Part of the brain where the optic nerves cross
allows the visual cortex to receive the same hemispheric visual field from both eyes. Superimposing and processing these monocular visual signals allow
Optic_chiasm
Neuron in the cerebral cortex used for visual processing
(currently called an end-stopped cell) is a type of visual processing neuron in the mammalian cerebral cortex. Initially discovered by David Hubel and Torsten
Hypercomplex_cell
State or quality by which an item stands out from its neighbors
salience to aversive stimuli. The primary visual cortex (V1) generates a bottom-up saliency map from visual inputs to guide reflexive attentional shifts
Salience_(neuroscience)
Protein-coding gene in the species Homo sapiens
ventral tegmental area ganglionic eminence Brodmann area 23 primary visual cortex Top expressed in medial dorsal nucleus pineal gland mammillary body
Solute carrier family 17 (vesicular glutamate transporter), member 6
Solute_carrier_family_17_(vesicular_glutamate_transporter),_member_6
Visual sensation of spatial awareness
therefore not on the horopter. Finally, nerve cells have been found in the visual cortex that are tuned to a certain disparity. These cells form the basis for
Stereopsis
Chinese scientist
(pronounced 'vish'), that the primary visual cortex (V1) in primates creates a saliency map of the visual field to guide visual attention or gaze shifts exogenously
Li_Zhaoping
American neurotechnology company
latest development effort, Blindsight, would enable blind people whose visual cortex is undamaged to regain some level of vision. The development received
Neuralink
Protein-coding gene in the species Homo sapiens
gyrus right kidney ventricular zone morula spleen embryo embryo primary visual cortex More reference expression data BioGPS n/a Gene ontology Molecular function
AMZ1
Topics referred to by the same term
functions Prefrontal cortex, the anterior part of the frontal lobes of the brain Visual cortex, regions of the cerebral cortex involved in visual functions Cerebellar
Cortex
Software program
resemblance between artificial neural networks and particular layers of the visual cortex. Neural networks such as DeepDream have biological analogies providing
DeepDream
Neuronal events sufficient for a specific conscious percept
less frequently observed in the primary visual cortex that corresponds to relatively early stages of visual processing. Another set of experiments using
Neural correlates of consciousness
Neural_correlates_of_consciousness
Intellectual capacity of the domesticated cat
cerebral cortex. The number of cortical neurons contained in the brain of the cat is reported to be 203 million. Area 17 of the visual cortex was found
Cat_intelligence
Protein-coding gene in the species Homo sapiens
Top expressed in embryo cerebellar cortex primary visual cortex neural layer of retina ganglionic eminence Cortex of frontal lobe superior frontal gyrus
TMPRSS7
Vision scientist
the visual system. Enroth-Cugell extended her work to the visual cortex using microelectrode recordings from single neurons in the cat’s visual system
Christina_Enroth-Cugell
Competition of objects for visual processing
tenets: Objects presented simultaneously in the visual field compete for cell responses in the visual cortex. When two stimuli are presented at the same time
Biased_competition_theory
Framework in machine learning
processing in the ventral stream of visual cortex and originally developed for recognition and classification of objects in visual scenes. M-theory was later applied
M-theory_(learning_framework)
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VISUAL CORTEX
VISUAL CORTEX
Boy/Male
Hindu
Vishtrata- enlarge
Male
Spanish
Spanish form of Roman Latin Vitalis, VIDAL means "of life; vital."
Girl/Female
Muslim
Example, Copy, Torch, Light, Lightened, Sparkling, Shining
Boy/Male
Hindu
Lord Shiva
Girl/Female
Muslim
Example, Copy, Torch, Light, Lightened, Sparkling, Shining
Boy/Male
Hindu
Very great
Boy/Male
Hindu
Faith, Trust
Boy/Male
Sikh
Heroic protector, Protector of the brave
Boy/Male
Gujarati, Hindu, Indian, Jain, Kannada, Malayalam, Marathi, Sindhi, Tamil, Telugu, Traditional
Big; Huge; Broad; Great; Immense; Giant; Massive; Long; Bold; Mercy; Star
Male
Hindi/Indian
(विशाल) Hindi name VISHAL means "large."
Boy/Male
Hindu
Lord Shiva
Boy/Male
Hindu
Boy/Male
Indian, Sanskrit, Telugu
Calm; Sharp; Spacious
Girl/Female
Indian
Example, Copy, Torch, Light, Lightened, Sparkling, Shining
Girl/Female
Indian
Example, Copy, Torch, Light, Lightened, Sparkling, Shining
Surname or Lastname
English, of French (Huguenot) origin
English, of French (Huguenot) origin : altered form of French Vassal, status name for a medieval retainer (see Vassell).
Boy/Male
Hindu
Great
Girl/Female
Biblical
Parables, governing.
Boy/Male
Hindu
Huge, Broad, Great
Girl/Female
Muslim
Fragrance
VISUAL CORTEX
VISUAL CORTEX
VISUAL CORTEX
VISUAL CORTEX
VISUAL CORTEX
VISUAL CORTEX
VISUAL CORTEX
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