`What` and `where` in the human brain
... visually guided grasping movements, despite her profound inability to describe or recognize these same features of the object. What is the evidence, however, that parietal cortex is mediating these visually guided movements? According to Goodale and Milner 145,46,48*1, patient D.F. suffered an anoxi ...
... visually guided grasping movements, despite her profound inability to describe or recognize these same features of the object. What is the evidence, however, that parietal cortex is mediating these visually guided movements? According to Goodale and Milner 145,46,48*1, patient D.F. suffered an anoxi ...
FIGURE LEGENDS FIGURE 46.1 Lateral viewof a human brain
... FIGURE 46.2 Two drawings that were made by a patient with spatial neglect. The patient was asked to copy the two models (clock, house). In each case, the copies exclude important elements that appeared on the left side of the model, indicating that the patient was unable to process information about ...
... FIGURE 46.2 Two drawings that were made by a patient with spatial neglect. The patient was asked to copy the two models (clock, house). In each case, the copies exclude important elements that appeared on the left side of the model, indicating that the patient was unable to process information about ...
Perception - Vision
... Binocular disparities between images in two eyes allow us to perceive stereo-depth when we look at object with both ...
... Binocular disparities between images in two eyes allow us to perceive stereo-depth when we look at object with both ...
Test.
... • First attempt in 1956. • Excitement and hype. Stevie Wonder. • Currently – cautious long term optimism. • “To impart a coarse level of vision that would expand a blind person’s autonomy is an ambitious but plausible goal”. John Wyatt (MIT). ...
... • First attempt in 1956. • Excitement and hype. Stevie Wonder. • Currently – cautious long term optimism. • “To impart a coarse level of vision that would expand a blind person’s autonomy is an ambitious but plausible goal”. John Wyatt (MIT). ...
Interactions between attention, context and learning in primary
... stronger when the cell is simultaneously activated by interlaminar connections, which would be activated by stimuli lying within the receptive field. In the presence of more complex visual environments, and under distributed attention (see below) the facilitation is seen not just with stimuli presen ...
... stronger when the cell is simultaneously activated by interlaminar connections, which would be activated by stimuli lying within the receptive field. In the presence of more complex visual environments, and under distributed attention (see below) the facilitation is seen not just with stimuli presen ...
PATH430-826-week10-parkinsons
... promoter associated with sporadic PD in some studies, but not in others ...
... promoter associated with sporadic PD in some studies, but not in others ...
CHAPTER 15 THE CENTRAL VISUAL PATHWAYS
... Figure 15-10. Example of a neuron in visual cortex that responds best to a bar in a specific orientation, moving at a specific speed. Many cortical neurons are also selective for the direction of motion. ...
... Figure 15-10. Example of a neuron in visual cortex that responds best to a bar in a specific orientation, moving at a specific speed. Many cortical neurons are also selective for the direction of motion. ...
Cognitive neuroscience lecture
... STM/LTM distinction or novelty (MTL) and resistance to distraction (frontal) • Ranganath & Blumenfeld (2005) argue that MTL binds novel items together in single representation. STM storage can be disrupted in patients with MT damage when items are novel (novel items rarely used in most STM studies) ...
... STM/LTM distinction or novelty (MTL) and resistance to distraction (frontal) • Ranganath & Blumenfeld (2005) argue that MTL binds novel items together in single representation. STM storage can be disrupted in patients with MT damage when items are novel (novel items rarely used in most STM studies) ...
Document
... If we move our electrode around the module, we will find that these two characteristics— orientation sensitivity and ocular dominance—vary systematically and are arranged at right angles to each other. (See Figure 6.29.) ...
... If we move our electrode around the module, we will find that these two characteristics— orientation sensitivity and ocular dominance—vary systematically and are arranged at right angles to each other. (See Figure 6.29.) ...
Slide - Reza Shadmehr
... Visual objects to the right of fixation are processed predominately by the left visual cortex. However, because of the corpus callosum, this information is shared with the contralateral cerebral hemisphere. The corticospinal tract brings the output of the premotor cortex, primary motor cortex, and t ...
... Visual objects to the right of fixation are processed predominately by the left visual cortex. However, because of the corpus callosum, this information is shared with the contralateral cerebral hemisphere. The corticospinal tract brings the output of the premotor cortex, primary motor cortex, and t ...
The role of neuronal synchronization in selective attention
... change had occurred. This finding suggests that the processing or the signalling of a sensory change is more efficient when it is handled by an area that is engaged in enhanced gamma-band synchronization [6]. Importantly, the influence of local synchronization of behavioural responses was spatiall ...
... change had occurred. This finding suggests that the processing or the signalling of a sensory change is more efficient when it is handled by an area that is engaged in enhanced gamma-band synchronization [6]. Importantly, the influence of local synchronization of behavioural responses was spatiall ...
path430_826-week10-PD
... promoter associated with sporadic PD in some studies, but not in others ...
... promoter associated with sporadic PD in some studies, but not in others ...
Cerebral atrophy and its relation to cognitive impairment in
... cuit, which is strongly implicated in memory, likely accounts for the memory impairment in our group of D-PD patients. Pathologic studies have implicated the medial temporal lobe in dementia in PD. Demented patients have higher densities of parahippocampal Lewy bodies on pathologic examination,24 an ...
... cuit, which is strongly implicated in memory, likely accounts for the memory impairment in our group of D-PD patients. Pathologic studies have implicated the medial temporal lobe in dementia in PD. Demented patients have higher densities of parahippocampal Lewy bodies on pathologic examination,24 an ...
Autobiography for 2016 Kavli Prize in Neuroscience Carla J. Shatz
... binocular vision, which resulted in the Nobel Prize in Physiology or Medicine in 1981, revealed brain circuits of almost crystalline- like perfection. Every day as a student I watched the beauty of visual system organization unfold before my eyes. I thought, “all research must be like this”! Of cou ...
... binocular vision, which resulted in the Nobel Prize in Physiology or Medicine in 1981, revealed brain circuits of almost crystalline- like perfection. Every day as a student I watched the beauty of visual system organization unfold before my eyes. I thought, “all research must be like this”! Of cou ...
Lecture S&P
... Cells with simpler receptive fields send information on to cells with more complex receptive fields Functional vertical columns exist such that all cells in a column have the same receptive field and ocular dominance Ocular dominance columns – as you move horizontally, the dominance of the columns c ...
... Cells with simpler receptive fields send information on to cells with more complex receptive fields Functional vertical columns exist such that all cells in a column have the same receptive field and ocular dominance Ocular dominance columns – as you move horizontally, the dominance of the columns c ...
Special Seminar in Neuroscience Alterations in the Cortical Connectome
... substrate of cognition and memory. Disruption or reduction of the connectome (e.g., changes in dendritic branching and/or spines) appears to play a key role in the onset and progression of dementia. Mild cognitive impairment (MCI), which is associated with subtle memory loss, is regarded as a prodro ...
... substrate of cognition and memory. Disruption or reduction of the connectome (e.g., changes in dendritic branching and/or spines) appears to play a key role in the onset and progression of dementia. Mild cognitive impairment (MCI), which is associated with subtle memory loss, is regarded as a prodro ...
Physiological bases of mental and physical work
... centers of roof reflexes are locates. Voluntary attention appears as a result of higher cortical activity in visual, auditory, motor areas and so on. Lesion of these cortical areas leads to such disturbances in processing special sensory information as ignore of stimuli of different modality. Inte ...
... centers of roof reflexes are locates. Voluntary attention appears as a result of higher cortical activity in visual, auditory, motor areas and so on. Lesion of these cortical areas leads to such disturbances in processing special sensory information as ignore of stimuli of different modality. Inte ...
Parkinson`s disease - Computation & Neural Systems
... “A negative scan indicates sparse to no neuritic plaques and is inconsistent with a neuropathological diagnosis of AD at the time of image acquisition; a negative scan result reduces the likelihood that a patient’s cognitive impairment is due to AD. A positive scan indicates moderate to frequent amy ...
... “A negative scan indicates sparse to no neuritic plaques and is inconsistent with a neuropathological diagnosis of AD at the time of image acquisition; a negative scan result reduces the likelihood that a patient’s cognitive impairment is due to AD. A positive scan indicates moderate to frequent amy ...
Posterior Parietal Cortex: Space…and Beyond
... This fits in well with recent neurophysiological studies in the frontal lobe, such as those by Jonathan Wallis in Earl Miller’s laboratory at MIT (Wallis et al., 2001; Miller et al., 2003). In their studies, monkeys were trained to perform a picture-matching task in which they switched between two “ ...
... This fits in well with recent neurophysiological studies in the frontal lobe, such as those by Jonathan Wallis in Earl Miller’s laboratory at MIT (Wallis et al., 2001; Miller et al., 2003). In their studies, monkeys were trained to perform a picture-matching task in which they switched between two “ ...
chelazzi et al 2012 - Emergent Attention Lab
... Based on its remarkable flexibility, the ultimate role of visual selective attention is that of providing behavioral planning processes with the most efficient and relevant representation of the outer world (see e.g., Gottlieb, 2012, for an interesting discussion on this general point). Access to the ...
... Based on its remarkable flexibility, the ultimate role of visual selective attention is that of providing behavioral planning processes with the most efficient and relevant representation of the outer world (see e.g., Gottlieb, 2012, for an interesting discussion on this general point). Access to the ...
Vision - Florida Atlantic University
... Orientation sensitivity: some cells fire best to a stimulus of a particular orientation and fire less when orientation is shifted Spatial frequency: cells vary firing rate according to the sine wave frequency of the stimulus ...
... Orientation sensitivity: some cells fire best to a stimulus of a particular orientation and fire less when orientation is shifted Spatial frequency: cells vary firing rate according to the sine wave frequency of the stimulus ...
Final - Center for Neural Science
... b) occurs when a person who is blind claims that he or she can see. c) occurs when a person can point to the location of a visual stimulus when forced to guess, even though they have brain damage such that they are effectively blind. d) is a scientific hoax. 38) Although there have been many demonst ...
... b) occurs when a person who is blind claims that he or she can see. c) occurs when a person can point to the location of a visual stimulus when forced to guess, even though they have brain damage such that they are effectively blind. d) is a scientific hoax. 38) Although there have been many demonst ...
Area MST has been thought be involved in heading perception not
... To examine how visual and vestibular signals in MSTd contribute to heading perception, we train animals to perform a fine self-motion discrimination task. Heading directions are varied in small steps around straight forward, and monkeys report whether their heading is to the right or left of straigh ...
... To examine how visual and vestibular signals in MSTd contribute to heading perception, we train animals to perform a fine self-motion discrimination task. Heading directions are varied in small steps around straight forward, and monkeys report whether their heading is to the right or left of straigh ...
Dietary treatments of dementia
... are beneficial to both conditions? Aging is the main risk factor for both Vascular dementia and Alzheimer’s disease, and the two often occur together. For these conditions, as well as for normal aging which can cause a loss in cognitive performance, we are targeting neuronal and, in particular, syna ...
... are beneficial to both conditions? Aging is the main risk factor for both Vascular dementia and Alzheimer’s disease, and the two often occur together. For these conditions, as well as for normal aging which can cause a loss in cognitive performance, we are targeting neuronal and, in particular, syna ...
Attention as a decision in information space
... stimuli, LIP is also important for effortful, top-down attention [4,27]. To examine top-down attention we trained monkeys on a task in which the relevant cue (an ‘E’-like shape) was not physically conspicuous but appeared in the visual periphery among similar distractors [22,28,29]. The cue appeared ...
... stimuli, LIP is also important for effortful, top-down attention [4,27]. To examine top-down attention we trained monkeys on a task in which the relevant cue (an ‘E’-like shape) was not physically conspicuous but appeared in the visual periphery among similar distractors [22,28,29]. The cue appeared ...