The Integrative Role of Posterior Parietal Cortex and related Clinical S
... hand with closed eyes and it is requested that the individual identify the object. Patients with right parietal injuries are incapable to recognize the object through the touch, although to get to make it ...
... hand with closed eyes and it is requested that the individual identify the object. Patients with right parietal injuries are incapable to recognize the object through the touch, although to get to make it ...
Top-down influence in early visual processing: a Bayesian perspective
... find the Si that maximises P(EjSi)P(SijH)P(H), i.e., explaining E as well as being predicted by H optimally. This scheme can be applied again to higher areas recursively to form the whole hierarchy of inference. In this framework, each cortical area is an expert for inferring certain aspects of the ...
... find the Si that maximises P(EjSi)P(SijH)P(H), i.e., explaining E as well as being predicted by H optimally. This scheme can be applied again to higher areas recursively to form the whole hierarchy of inference. In this framework, each cortical area is an expert for inferring certain aspects of the ...
Bi150 (2005)
... Odorants can evoke an emotional response that is more immediate and compelling than the response to visual or auditory stimuli Outputs from the olfactory bulb go directly to the cortex without passing through the thalamus Part of the reason that olfactory stimuli may be able to evoke a strong emotio ...
... Odorants can evoke an emotional response that is more immediate and compelling than the response to visual or auditory stimuli Outputs from the olfactory bulb go directly to the cortex without passing through the thalamus Part of the reason that olfactory stimuli may be able to evoke a strong emotio ...
Visual Perception: Objects and Scenes
... visual system at a certain moment. By some minutes elapse, the neurons in the dominating subnetwork will grow tired and begin to fire less. The fact that these nodes are connected by mutual inhibitory links causes that the neurons in the other subnetwork will fire more than before. This successively ...
... visual system at a certain moment. By some minutes elapse, the neurons in the dominating subnetwork will grow tired and begin to fire less. The fact that these nodes are connected by mutual inhibitory links causes that the neurons in the other subnetwork will fire more than before. This successively ...
Lecture-20-2013-Bi
... morning to night and in all weathers, the Square where I used to be sent before lunch, the streets along which I used to run errands, the country roads we took when the weather was fine . . . “ Olfactory memory The nose can detect and (in principle) classify thousands of different compounds. The ‘ma ...
... morning to night and in all weathers, the Square where I used to be sent before lunch, the streets along which I used to run errands, the country roads we took when the weather was fine . . . “ Olfactory memory The nose can detect and (in principle) classify thousands of different compounds. The ‘ma ...
Протокол
... be formed, the eyes must be positioned so that photoreceptors, located in the retina, can sense the electromagnetic waves of light reflected from the visual target. Before an image is formed on the retina, the light is refracted by the cornea and lens. The optical properties of the lens invert and r ...
... be formed, the eyes must be positioned so that photoreceptors, located in the retina, can sense the electromagnetic waves of light reflected from the visual target. Before an image is formed on the retina, the light is refracted by the cornea and lens. The optical properties of the lens invert and r ...
Ominous odors: olfactory control of instinctive fear and aggression in
... those of putative predators such as rats, snakes, and birds), and a minority activated by both conspecific and heterospecific stimuli. This last class of sensory neurons could form the basis of responses that are shared in both fear and aggression (e.g., increased sympathetic outflow [26]), while th ...
... those of putative predators such as rats, snakes, and birds), and a minority activated by both conspecific and heterospecific stimuli. This last class of sensory neurons could form the basis of responses that are shared in both fear and aggression (e.g., increased sympathetic outflow [26]), while th ...
Group Redundancy Measures Reveals Redundancy Reduction in the Auditory Pathway
... How do groups of sensory neurons interact to code information and how do these interactions change along the ascending sensory pathways ? One view is that sensory systems are composed of a series of processing stations, representing more and more complex aspects of sensory inputs. Among the computat ...
... How do groups of sensory neurons interact to code information and how do these interactions change along the ascending sensory pathways ? One view is that sensory systems are composed of a series of processing stations, representing more and more complex aspects of sensory inputs. Among the computat ...
Article Page 08.27.20+
... perceptual system. A detailed description of human perception is not possible here because of space limitations (volumes have been written describing the intricacies of the different aspects of our perceptual systems). Instead, vision will be presented and discussed as a representative perceptual sy ...
... perceptual system. A detailed description of human perception is not possible here because of space limitations (volumes have been written describing the intricacies of the different aspects of our perceptual systems). Instead, vision will be presented and discussed as a representative perceptual sy ...
Binding Mechanisms in Visual Perception
... When photoreceptors in the retina are stimulated by photons, these cells modulate their chemical transmitter releasing based on light frequency and intensity, which causes subsequent cellular electrical activity change of the following bipolar cells, ganglion cells, and more complex visual neurons ...
... When photoreceptors in the retina are stimulated by photons, these cells modulate their chemical transmitter releasing based on light frequency and intensity, which causes subsequent cellular electrical activity change of the following bipolar cells, ganglion cells, and more complex visual neurons ...
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... could this relate to the apparently spatial role of the hippocampus in rats? One suggestion is that recall of events is aided by memory for the context in which they occurred (e.g. Mayes et al., 1985). One way to reconcile the apparent roles of the hippocampus in rats and humans is to suppose that i ...
... could this relate to the apparently spatial role of the hippocampus in rats? One suggestion is that recall of events is aided by memory for the context in which they occurred (e.g. Mayes et al., 1985). One way to reconcile the apparent roles of the hippocampus in rats and humans is to suppose that i ...
Odor and nutrition - ernährungs umschau
... perception (lat. olfactere = to smell) plays a predominant role. To meet with this special function, the nose is anatomically located right above the mouth and thus inspects any incoming good. Hence, the sense of smell also controls the individual food preferences. With more than 400 olfactory recep ...
... perception (lat. olfactere = to smell) plays a predominant role. To meet with this special function, the nose is anatomically located right above the mouth and thus inspects any incoming good. Hence, the sense of smell also controls the individual food preferences. With more than 400 olfactory recep ...
lgn - cinpla
... what role does this relay center play in the visual pathway? The lateral geniculate nucleus (LGN) is placed in a prominent position in the early visual pathway. It sits between the retina and the visual cortex, acting as a relay between the two. Inserting a microelectrode into the LGN reveals that t ...
... what role does this relay center play in the visual pathway? The lateral geniculate nucleus (LGN) is placed in a prominent position in the early visual pathway. It sits between the retina and the visual cortex, acting as a relay between the two. Inserting a microelectrode into the LGN reveals that t ...
The Special Senses Accessory Structures of the - dr
... 2 Auditory ossicles vibrate. Pressure is amplified. 3 Pressure waves created by the stapes pushing on the oval window move through fluid in the scala vestibuli. 4a Sounds with frequencies below ea g ttravel a e tthrough oug tthe e hearing helicotrema and do not excite hair cells. 4b Sounds in the he ...
... 2 Auditory ossicles vibrate. Pressure is amplified. 3 Pressure waves created by the stapes pushing on the oval window move through fluid in the scala vestibuli. 4a Sounds with frequencies below ea g ttravel a e tthrough oug tthe e hearing helicotrema and do not excite hair cells. 4b Sounds in the he ...
Persistent perceptual delay for head movement onset
... Contrary to this notion that vestibular stimulation should be fast the perceived timing of vestibular stimulation has been found to be slow. Barnett-Cowan and Harris (2009) measured the difference in reaction times (RTs) between GVS, light, touch and sound stimuli. They found that RTs to GVS were si ...
... Contrary to this notion that vestibular stimulation should be fast the perceived timing of vestibular stimulation has been found to be slow. Barnett-Cowan and Harris (2009) measured the difference in reaction times (RTs) between GVS, light, touch and sound stimuli. They found that RTs to GVS were si ...
A Maximum-Likelihood Approach to Modeling Multisensory
... and it predicts a functional relation between uni- and bimodal levels of discriminability that is testable both in neurophysiological and behavioral experiments. ...
... and it predicts a functional relation between uni- and bimodal levels of discriminability that is testable both in neurophysiological and behavioral experiments. ...
19 Sensation of Smell-14322012-09
... subdivided into seven primary qualities of smell; peppermint, musk, floral, ethereal, pungent, putrid and camphoreaceous. • There is functional mapping of specific odours to specific regions within the olfactory tract. • The bipolar olfactory cells are linked to the olfactory bulb via short axons. T ...
... subdivided into seven primary qualities of smell; peppermint, musk, floral, ethereal, pungent, putrid and camphoreaceous. • There is functional mapping of specific odours to specific regions within the olfactory tract. • The bipolar olfactory cells are linked to the olfactory bulb via short axons. T ...
Functional areas of cerebral cortex and its associated lesions
... Associate new sensory input with memories of past experiences ...
... Associate new sensory input with memories of past experiences ...
somatosensory area i
... Effect of removing somatosensory association area Unable to recognize complex objects/complex forms by feeling them on opposite side Loses sense of form of his/her own body / body ...
... Effect of removing somatosensory association area Unable to recognize complex objects/complex forms by feeling them on opposite side Loses sense of form of his/her own body / body ...
Olfactory cortex as a model for telencephalic processing
... successively finer-grained information about a stimulus via sequential cortical responses suggests a fundamental operation of repetitive perceptual sampling. Visual, auditory and somatosensory cortices have anatomical architectures analogous to the olfactory bulb-cortex template, including excitator ...
... successively finer-grained information about a stimulus via sequential cortical responses suggests a fundamental operation of repetitive perceptual sampling. Visual, auditory and somatosensory cortices have anatomical architectures analogous to the olfactory bulb-cortex template, including excitator ...
perceptionlecture5
... Is a set of Reichardt detectors is sensitive to motion in one direction and only in a particular speed? It seems like an inefficient design since a great number of neurons will be required to encode motion in all possible directions and speed, unless each of them can actually encode for a small ran ...
... Is a set of Reichardt detectors is sensitive to motion in one direction and only in a particular speed? It seems like an inefficient design since a great number of neurons will be required to encode motion in all possible directions and speed, unless each of them can actually encode for a small ran ...
Hearing Physiology - Virtual Learning Environment
... and reedlike structures. The length of the basilar fibers increases progressively from the base of the cochlea to its apex. Thus, the stiff and short fibers near the oval window of the cochlea vibrate best at a high frequency, whereas the longer and supple fibers near the tip of the cochlea vibrate ...
... and reedlike structures. The length of the basilar fibers increases progressively from the base of the cochlea to its apex. Thus, the stiff and short fibers near the oval window of the cochlea vibrate best at a high frequency, whereas the longer and supple fibers near the tip of the cochlea vibrate ...
Neural correlates for perception of 3d surface orientation from texture
... 4B). Mitochondria were not shaped or positioned properly in an unc-60(r398) mutant background (Fig. 4D). A partial loss-of-function allele in the C. elegans cofilin homolog, unc60(r398), disrupts actin filaments in the body wall muscle of adult hermaphrodites (23). Therefore, actin filaments are req ...
... 4B). Mitochondria were not shaped or positioned properly in an unc-60(r398) mutant background (Fig. 4D). A partial loss-of-function allele in the C. elegans cofilin homolog, unc60(r398), disrupts actin filaments in the body wall muscle of adult hermaphrodites (23). Therefore, actin filaments are req ...
Shedding Light on the Role of Ventral Tegmental Area Dopamine in
... reward, and it appears to do so by amplifying the motivational value of cues associated with the reward experience, rather than by directly reinforcing actions. Furthermore, through conditioning, optical VTA DA stimulation becomes a signal animals are later willing to work for. While these results p ...
... reward, and it appears to do so by amplifying the motivational value of cues associated with the reward experience, rather than by directly reinforcing actions. Furthermore, through conditioning, optical VTA DA stimulation becomes a signal animals are later willing to work for. While these results p ...