Representation of naturalistic image structure in the primate visual
... visible objects are different and far apart, they are forms. To the extent that they are similar and congregated they are a texture. A man has form; a crowd has man-texture. A leaf has form; an arbor has leaf-texture, and so on.” Bela Julesz pioneered the statistical characterization of visual textu ...
... visible objects are different and far apart, they are forms. To the extent that they are similar and congregated they are a texture. A man has form; a crowd has man-texture. A leaf has form; an arbor has leaf-texture, and so on.” Bela Julesz pioneered the statistical characterization of visual textu ...
Object Shape Differences Reflected by Somatosensory Cortical
... discriminated ellipsoids in the round set, and in the other they discriminated ellipsoids in the oblong set. The subjects were unaware of the ellipsoids being divided into two sets. The subjects discriminated the oblongness of ellipsoids within a set only. Before the PET measurements, the volunteers ...
... discriminated ellipsoids in the round set, and in the other they discriminated ellipsoids in the oblong set. The subjects were unaware of the ellipsoids being divided into two sets. The subjects discriminated the oblongness of ellipsoids within a set only. Before the PET measurements, the volunteers ...
AIAI Presentation - Artificial Intelligence Applications Institute
... Semantic Web Services to be used by people but also by software agents Policy ensure that human-imposed constraints on agents interactions are respected Policy-based controls can also be used to govern interaction with traditional (non-agent) clients Proposals for SOAP-based message security and XML ...
... Semantic Web Services to be used by people but also by software agents Policy ensure that human-imposed constraints on agents interactions are respected Policy-based controls can also be used to govern interaction with traditional (non-agent) clients Proposals for SOAP-based message security and XML ...
Tsodyks-Banbury-2006
... encode spatio-temporal inputs by precise spike patterns. 2. Random spontaneous activity could play a crucial role in setting the sensitivity of the network to sensory inputs (top-down ...
... encode spatio-temporal inputs by precise spike patterns. 2. Random spontaneous activity could play a crucial role in setting the sensitivity of the network to sensory inputs (top-down ...
Topographic maps in human frontal and parietal cortex
... to eye movements [21], reaching movements [25,26], stimulus motion [21], visual objects [27], and spatial attention [19,28,29]. Possible homologies between human and macaque PPC areas are discussed in Box 3. Responses to movements Human PPC areas can be functionally differentiated based on their res ...
... to eye movements [21], reaching movements [25,26], stimulus motion [21], visual objects [27], and spatial attention [19,28,29]. Possible homologies between human and macaque PPC areas are discussed in Box 3. Responses to movements Human PPC areas can be functionally differentiated based on their res ...
Ecological dominance, social competition, and coalitionary arms
... intensity of selection from extrinsic causes compared with the relative importance of selection from interactions with conspecifics. From this perspective, the term does more than indicate a species’ success in contending directly with Darwin’s hostile forces of climate, predation, and resource scar ...
... intensity of selection from extrinsic causes compared with the relative importance of selection from interactions with conspecifics. From this perspective, the term does more than indicate a species’ success in contending directly with Darwin’s hostile forces of climate, predation, and resource scar ...
The functional organization of the intraparietal sulcus in humans and
... Putative human AIP equivalent The relevance of anterior IPS in object manipulation and grasping movements has been demonstrated in patients with lesions affecting anterior intraparietal cortex (Binkofski et al. 1998). Likewise, PET studies with healthy persons showed that an area in anterior IPS is ...
... Putative human AIP equivalent The relevance of anterior IPS in object manipulation and grasping movements has been demonstrated in patients with lesions affecting anterior intraparietal cortex (Binkofski et al. 1998). Likewise, PET studies with healthy persons showed that an area in anterior IPS is ...
UShape Representation in the Inferior Temporal Cortex of MonkeysU
... Clinical observations of brain-damaged patients have shown that the recognition of living things can be selectively impaired [27]. Thus, it is conceivable that the perception of biological forms is mediated by specialized neural populations. If this is the case, then the complexpattern selectivity - ...
... Clinical observations of brain-damaged patients have shown that the recognition of living things can be selectively impaired [27]. Thus, it is conceivable that the perception of biological forms is mediated by specialized neural populations. If this is the case, then the complexpattern selectivity - ...
Comparing neuronal and behavioral thresholds
... linear motion [4]. These neurons may play an important role in optic flow perception [5]. They can encode expanding and contracting spirals with similar accuracy as the animals [6]. It is, however, unclear whether this ability is restricted to coarse differences between these spiral types (Fig. 1), ...
... linear motion [4]. These neurons may play an important role in optic flow perception [5]. They can encode expanding and contracting spirals with similar accuracy as the animals [6]. It is, however, unclear whether this ability is restricted to coarse differences between these spiral types (Fig. 1), ...
Stress - Neuroanatomy
... your body muscles, releases stress hormones into your blood, and so on. The sound also goes to the temporal lobe system (hippocampus) and reminds you of the accident, who you were with and where you were going. It also reminds you that it was awful. But these are all just facts about the situation. ...
... your body muscles, releases stress hormones into your blood, and so on. The sound also goes to the temporal lobe system (hippocampus) and reminds you of the accident, who you were with and where you were going. It also reminds you that it was awful. But these are all just facts about the situation. ...
Responses of the human motor system to observing actions across
... handedness, and used only stimuli involving hands as effectors. Further, the nature of higher-level goal representation was not explored. It is thus far unknown whether the human MNS, which becomes active during the observation hand actions, also becomes active when a different effector is used to e ...
... handedness, and used only stimuli involving hands as effectors. Further, the nature of higher-level goal representation was not explored. It is thus far unknown whether the human MNS, which becomes active during the observation hand actions, also becomes active when a different effector is used to e ...
Visual Perception: Objects and Scenes
... Figure 2. Although it is equally possible to complete the occluded letter to make it P, B or R, most people perceive it as R since WORD is the most familiar English word rather than WOBD or WOPD. Therefore we can assume that this theory ...
... Figure 2. Although it is equally possible to complete the occluded letter to make it P, B or R, most people perceive it as R since WORD is the most familiar English word rather than WOBD or WOPD. Therefore we can assume that this theory ...
T2 - Center for Neural Basis of Cognition
... Remapping in humans produces activity in the hemisphere ipsilateral to the stimulus. Remapped activity is present in human parietal, extrastriate and striate cortex. Remapped visual signals are more prevalent at higher levels of the visual system hierarchy. Remapping occurs in parietal and visual co ...
... Remapping in humans produces activity in the hemisphere ipsilateral to the stimulus. Remapped activity is present in human parietal, extrastriate and striate cortex. Remapped visual signals are more prevalent at higher levels of the visual system hierarchy. Remapping occurs in parietal and visual co ...
Neural Basis of Prosopagnosia: An fMRI Study
... are represented in a flattened representation of the occipital sulcus (IOG, in magenta). In Patient AV, the developmental proscortex, with gyri appearing in light gray whereas sulci are in darker opagnosic, viewing both objects compared to houses (C) and faces gray. The dotted lines in (B) represent ...
... are represented in a flattened representation of the occipital sulcus (IOG, in magenta). In Patient AV, the developmental proscortex, with gyri appearing in light gray whereas sulci are in darker opagnosic, viewing both objects compared to houses (C) and faces gray. The dotted lines in (B) represent ...
`What` and `where` in the human brain
... figures [I31, some V4 cells respond only if a stimulus stands out from its background on the basis of a difference in color or form 114,151, and inferior temporal cells respond selectively to global or overall object features, such as shape 116181, with a small proportion being specialized for faces ...
... figures [I31, some V4 cells respond only if a stimulus stands out from its background on the basis of a difference in color or form 114,151, and inferior temporal cells respond selectively to global or overall object features, such as shape 116181, with a small proportion being specialized for faces ...
Motion Perception, Psychology of - The School of Life Sciences at
... this kind ± it is the basis for the movement seen in TV and movies. TV images are displayed as a series of static images or frames presented very rapidly (50 frames per second in Europe, 60 frames per second in the USA). Any impression of movement seen in TV images is an illusion created by discrete ...
... this kind ± it is the basis for the movement seen in TV and movies. TV images are displayed as a series of static images or frames presented very rapidly (50 frames per second in Europe, 60 frames per second in the USA). Any impression of movement seen in TV images is an illusion created by discrete ...
Lightweight Authentication Protocol For Smart Dust
... Future studies also involve using this processor as an eye of the robots, which provides tremendous applications ...
... Future studies also involve using this processor as an eye of the robots, which provides tremendous applications ...
Skinner, the Behaviorist - That Marcus Family Home
... o We can be sure that he will or will not drink if the variables are altered. For example, if we were to force the man to engage in rigorous exercise, it is more probable that he will drink. o Other variables, Skinner points out, could impact the results (for example, fear of being poisoned). • Thes ...
... o We can be sure that he will or will not drink if the variables are altered. For example, if we were to force the man to engage in rigorous exercise, it is more probable that he will drink. o Other variables, Skinner points out, could impact the results (for example, fear of being poisoned). • Thes ...
Open resource
... Autonomous Combatants or TACs. The TACs are networked and integrated. They coordinate with each other and with humans. The TACs will take on physical forms that will optimize their uses for the roles and missions they will perform. Thus, some will look like vehicles with tracks, wheels or other mean ...
... Autonomous Combatants or TACs. The TACs are networked and integrated. They coordinate with each other and with humans. The TACs will take on physical forms that will optimize their uses for the roles and missions they will perform. Thus, some will look like vehicles with tracks, wheels or other mean ...
Motion Sensitivity
... over time. The velocity is expressed in degrees of visual angle/second. Humans are very sensitive at detecting motion in visual images. The smallest motion that humans have been reported to detect is about 10 arc seconds, which is similar to the best threshold for vernier acuity. Motion detection is ...
... over time. The velocity is expressed in degrees of visual angle/second. Humans are very sensitive at detecting motion in visual images. The smallest motion that humans have been reported to detect is about 10 arc seconds, which is similar to the best threshold for vernier acuity. Motion detection is ...
Learning Strengthens the Response of Primary Visual Cortex to
... that span both stimuli, spatial blurring of the hemodynamic response, noise in the localizer scan, or eye movements during scanning. For example, subjects may have occasionally fixated the middle location, thus moving it to the central location. The reduction in secondary response with learning was ...
... that span both stimuli, spatial blurring of the hemodynamic response, noise in the localizer scan, or eye movements during scanning. For example, subjects may have occasionally fixated the middle location, thus moving it to the central location. The reduction in secondary response with learning was ...
WholeSchool Long Term Planning Document from September 2013
... recognise that shadows are formed when the light from a light source is blocked by a solid object; find patterns in the way that the size of shadows change. Forces and magnets – compare how things move on different surfaces; notice that some forces need contact between two objects but magnetic force ...
... recognise that shadows are formed when the light from a light source is blocked by a solid object; find patterns in the way that the size of shadows change. Forces and magnets – compare how things move on different surfaces; notice that some forces need contact between two objects but magnetic force ...
GABA-antagonist inverts movement and object detection in flies
... spatial wavelength of grating 13"; contrast 30%; stimulus frequency 3 Hz). The flies were stimulated repetitively with a constant sequence of visual stimuli. This consisted of motion from back to front. counterphase flicker, motion from front to back and again counterphase flicker. Each stimulus las ...
... spatial wavelength of grating 13"; contrast 30%; stimulus frequency 3 Hz). The flies were stimulated repetitively with a constant sequence of visual stimuli. This consisted of motion from back to front. counterphase flicker, motion from front to back and again counterphase flicker. Each stimulus las ...
Self-images in the video monitor coded by monkey intraparietal
... spatial resolution, 0.8 mm). For the majority of bimodal neurons, the optimal movement of the probe for inducing visual responses was one that approached the somatosensory RF of the neuron. Other movements of the probe induced hardly any discharges. In order to avoid a recording bias, in which the d ...
... spatial resolution, 0.8 mm). For the majority of bimodal neurons, the optimal movement of the probe for inducing visual responses was one that approached the somatosensory RF of the neuron. Other movements of the probe induced hardly any discharges. In order to avoid a recording bias, in which the d ...