self and intrapersonal communication
... • External receptors are found on or near the surface of the body. These receptors react to physical, chemical, and mechanical stimuli. • Internal receptors such as nerve endings provide information about your internal state such as an empty stomach or an itchy throat. ...
... • External receptors are found on or near the surface of the body. These receptors react to physical, chemical, and mechanical stimuli. • Internal receptors such as nerve endings provide information about your internal state such as an empty stomach or an itchy throat. ...
Document
... Everyone knows what attention is. It is the taking possession of the mind, in clear and vivid form, of one out of what seem several simultaneous possible objects or trains of thought. Focalization, concentration of consciousness are of its essence. It impli es withdrawal from some things in order to ...
... Everyone knows what attention is. It is the taking possession of the mind, in clear and vivid form, of one out of what seem several simultaneous possible objects or trains of thought. Focalization, concentration of consciousness are of its essence. It impli es withdrawal from some things in order to ...
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... including hallucination circle (HCC), hallucination fan (HCF), retinotopy circle (RTC) and retinotopy cross (RTX) were used towards registering their impact in the aforementioned visual related areas. One-way analysis of variance was used to evaluate the significance of difference between induced ac ...
... including hallucination circle (HCC), hallucination fan (HCF), retinotopy circle (RTC) and retinotopy cross (RTX) were used towards registering their impact in the aforementioned visual related areas. One-way analysis of variance was used to evaluate the significance of difference between induced ac ...
A true science of consciousness explains
... Such mechanisms should be able to integrate contextual information across the visual field, making inferences about its input while resolving perceptual ambiguity. They should be able to dynamically group image elements together, creating perceptual unity and perceptual organization. It is well esta ...
... Such mechanisms should be able to integrate contextual information across the visual field, making inferences about its input while resolving perceptual ambiguity. They should be able to dynamically group image elements together, creating perceptual unity and perceptual organization. It is well esta ...
Neuro-ophthalmology
... Central retinal vein occlusion Nutritional optic neuropathy Toxic optic neuropathy ETOH-ethanol-DigitalisEthambutol -ChloramphenicolINH ...
... Central retinal vein occlusion Nutritional optic neuropathy Toxic optic neuropathy ETOH-ethanol-DigitalisEthambutol -ChloramphenicolINH ...
Topic 11
... the small size of the cell compared to the larger magnocellular cells. The parvocellular neurons are sensitive to color, and are more capable of discriminating fine details than their magnocellular counterparts. Parvocellular cells have greater spatial resolution, but lower temporal resolution, than ...
... the small size of the cell compared to the larger magnocellular cells. The parvocellular neurons are sensitive to color, and are more capable of discriminating fine details than their magnocellular counterparts. Parvocellular cells have greater spatial resolution, but lower temporal resolution, than ...
Localization of Cognitive Operations
... the primary auditory cortex and an area of the left temporoparietal cortex that has been related to language tasks are activated (33). This temporoparietal left-lateralized area seemed to be a good candidate for phonological processing. It was surprising from some perspectives that no visual word re ...
... the primary auditory cortex and an area of the left temporoparietal cortex that has been related to language tasks are activated (33). This temporoparietal left-lateralized area seemed to be a good candidate for phonological processing. It was surprising from some perspectives that no visual word re ...
Acoustical Vision of Neglected Stimuli: Interaction among Spatially
... There have been recent attempts to demonstrate that similar principles of multisensory integration can also occur in humans. Stein, London, Wilkinson, and Price (1996) tested a group of normal subjects in a visual luminance judgement task. Subjects were required to fixate directly ahead and to rate ...
... There have been recent attempts to demonstrate that similar principles of multisensory integration can also occur in humans. Stein, London, Wilkinson, and Price (1996) tested a group of normal subjects in a visual luminance judgement task. Subjects were required to fixate directly ahead and to rate ...
Processing of complex stimuli and natural scenes in the visual cortex
... neurons are probed with more natural stimuli. However, with the classical reverse correlation technique it is not possible to use natural stimuli for methodological reasons: the correlations inherent to natural stimuli spoil the obtained RF estimate [14]. In contrast to the pixel white noise, which ...
... neurons are probed with more natural stimuli. However, with the classical reverse correlation technique it is not possible to use natural stimuli for methodological reasons: the correlations inherent to natural stimuli spoil the obtained RF estimate [14]. In contrast to the pixel white noise, which ...
ch12Boundarygabor
... (primary visual centre) • Neurons are edge detectors fires when an edge of a particular (LGN) orientation is present infrequent output ...
... (primary visual centre) • Neurons are edge detectors fires when an edge of a particular (LGN) orientation is present infrequent output ...
Human Lateral Geniculate Nucleus and Visual Cortex Respond to
... In the face paradigm, a periodic activity was observed in Patient 1 at G2 and G3 contacts. Its frequency was 60Hz, which was the video refresh rate for this paradigm. The oscillations were present only when the face stimulus was on, and they disappeared during the black screen period (Fig 4). They w ...
... In the face paradigm, a periodic activity was observed in Patient 1 at G2 and G3 contacts. Its frequency was 60Hz, which was the video refresh rate for this paradigm. The oscillations were present only when the face stimulus was on, and they disappeared during the black screen period (Fig 4). They w ...
The Cerebral Association Cortex
... processing a visual object one is blind to the presence of other objects, even those at the location one is attending to. This is known as the attentional blink, that is we behave as if our eyes are closed while attention is processing an object. Attention can be drawn from below by things that pop ...
... processing a visual object one is blind to the presence of other objects, even those at the location one is attending to. This is known as the attentional blink, that is we behave as if our eyes are closed while attention is processing an object. Attention can be drawn from below by things that pop ...
Lecture 1 - Gabriel Kreiman
... In addition to the spatial properties just described, there are also temporal constraints to visual recognition. The predominantly static nature of the visual input is interrupted by external object movements, head movements and eye movements. To a first approximation, the visual image can be consid ...
... In addition to the spatial properties just described, there are also temporal constraints to visual recognition. The predominantly static nature of the visual input is interrupted by external object movements, head movements and eye movements. To a first approximation, the visual image can be consid ...
Note
... stimuli (S1-5). Note that the entropy H(R) of the sum of the responses is high, near the maximum for a five-point distribution (log25 = 2.32). The entropies H(R|s) of the responses to each stimulus are smaller. The difference between H(R) and the average conditional entropy H(R|S) is the information ...
... stimuli (S1-5). Note that the entropy H(R) of the sum of the responses is high, near the maximum for a five-point distribution (log25 = 2.32). The entropies H(R|s) of the responses to each stimulus are smaller. The difference between H(R) and the average conditional entropy H(R|S) is the information ...
E(R) - Consciousness Online
... Attention is the system that satisfies the brain’s demand for information. It is controlled by decision variables related to active learning. These variables prioritize *reliable predictors that we can learn from *novel/uncertain/surprising stimuli that we can learn about. Two computations may iden ...
... Attention is the system that satisfies the brain’s demand for information. It is controlled by decision variables related to active learning. These variables prioritize *reliable predictors that we can learn from *novel/uncertain/surprising stimuli that we can learn about. Two computations may iden ...
Occular Dominance Columns
... • The striate cortex is composed of repeating units that contain all the neuronal components to analyze a small region of visual space for a variety of different stimulus attributes. ...
... • The striate cortex is composed of repeating units that contain all the neuronal components to analyze a small region of visual space for a variety of different stimulus attributes. ...
Vision
... • Inability to perceive or identify a stimulus by means of a particular sensory modality. Visual agnosia • Deficits in visual perception in the absence of blindness; caused by brain damage. Apperceptive visual agnosia • Failure to perceive objects even though visual acuity is relatively normal. ...
... • Inability to perceive or identify a stimulus by means of a particular sensory modality. Visual agnosia • Deficits in visual perception in the absence of blindness; caused by brain damage. Apperceptive visual agnosia • Failure to perceive objects even though visual acuity is relatively normal. ...
P312Ch04C_BeyondV1
... 3) May be a separate area in the inferotemporal lobe containing neurons which respond to face-like stimuli. The fusiform face area has been identified in humans. It’s under the temporal lobe. 4) Ramachandran has suggested that there may be as many as 30 different processing modules. Each one contain ...
... 3) May be a separate area in the inferotemporal lobe containing neurons which respond to face-like stimuli. The fusiform face area has been identified in humans. It’s under the temporal lobe. 4) Ramachandran has suggested that there may be as many as 30 different processing modules. Each one contain ...
Perception - Vision
... Intermediate station – all sensory signals (except olfactory) go through different nuclei of the thalamus. Dynamic information processing: steering attention and fast largecelled pathway reacting to motion. Retroactive projections V1=>LGN are an order of magnitude more numerous than LGN=>V1 (r ...
... Intermediate station – all sensory signals (except olfactory) go through different nuclei of the thalamus. Dynamic information processing: steering attention and fast largecelled pathway reacting to motion. Retroactive projections V1=>LGN are an order of magnitude more numerous than LGN=>V1 (r ...
A coincidence detector neural network model of selective attention
... In addition to influence from top-down spatial goals, the neural activation of each stimulus is progressively modulated by top-down signals of semantic information. We propose that a correlation control mechanism that includes coincidence detector neurons determines the correlation between semantic ...
... In addition to influence from top-down spatial goals, the neural activation of each stimulus is progressively modulated by top-down signals of semantic information. We propose that a correlation control mechanism that includes coincidence detector neurons determines the correlation between semantic ...
Midterm 1 with answer key
... 26. Suppose it is found that stimulus A (e.g., the word "doctor") primes the discrimination of word versus non-word for the stimulus X (e.g., X is the word "nurse"). What is the usual interpretation of a priming effect in cognitive psychology? a) Stimulus A activates many of the same neural center ...
... 26. Suppose it is found that stimulus A (e.g., the word "doctor") primes the discrimination of word versus non-word for the stimulus X (e.g., X is the word "nurse"). What is the usual interpretation of a priming effect in cognitive psychology? a) Stimulus A activates many of the same neural center ...
In cognitive neuroscience, the prefrontal cortex represents a kind of
... unfortunately do not provide much more information regarding the specific location of recording sites. The monkey was instructed to fixate on a fixation spot while a pictorial stimulus was presented. After a delay, two objects were presented at two of four positions flanking the test spot. One of th ...
... unfortunately do not provide much more information regarding the specific location of recording sites. The monkey was instructed to fixate on a fixation spot while a pictorial stimulus was presented. After a delay, two objects were presented at two of four positions flanking the test spot. One of th ...
The Visual System: From Eye to Cortex - U
... diameter; it is the only part of the retina capable of mediating high-acuity vision. This is due, in part, to the fact that axons of retinal ganglion cells are thinnest over the fovea and light is distorted less before reaching the layer of receptors. The fovea is roughly in the center of your visua ...
... diameter; it is the only part of the retina capable of mediating high-acuity vision. This is due, in part, to the fact that axons of retinal ganglion cells are thinnest over the fovea and light is distorted less before reaching the layer of receptors. The fovea is roughly in the center of your visua ...
PSYC550 Sense or Senseless
... – Failure to perceive objects, even though visual acuity is relatively normal. • associative visual agnosia – Inability to identify objects that are perceived visually, even though the form of the perceived object can be drawn or matched with similar objects. • prosopagnosia – Failure to recognize p ...
... – Failure to perceive objects, even though visual acuity is relatively normal. • associative visual agnosia – Inability to identify objects that are perceived visually, even though the form of the perceived object can be drawn or matched with similar objects. • prosopagnosia – Failure to recognize p ...
The Visual System: From Eye to Cortex - U
... the exit of axons from the retinal ganglion cells • We are normally unaware of our blind spots, even when looking through one stationary eye because of completion; the visual system is able to use visual information gathered from receptors around the optic disk to complete the visual image • Complet ...
... the exit of axons from the retinal ganglion cells • We are normally unaware of our blind spots, even when looking through one stationary eye because of completion; the visual system is able to use visual information gathered from receptors around the optic disk to complete the visual image • Complet ...