![Now you see it: frontal eye field responses to invisible targets](http://s1.studyres.com/store/data/003711173_1-3ea6ddcac0f59546bd01ff2694279312-300x300.png)
Now you see it: frontal eye field responses to invisible targets
... a tie-breaker. One worry is that the baseline increase merely reflected an occasional bias by the animal to saccade to that location, but because the monkey could not predict the target location, any behavioral bias should have been averaged away. Another caveat is that such a razor-thin influence m ...
... a tie-breaker. One worry is that the baseline increase merely reflected an occasional bias by the animal to saccade to that location, but because the monkey could not predict the target location, any behavioral bias should have been averaged away. Another caveat is that such a razor-thin influence m ...
Simulating the Fröhlich Effect of Motion Misperception as a Result... Attentional Modulation in the Visual System
... More than 80 years ago, the German physiologist Friedrich Fröhlich discovered a localization error that occurs with fast moving stimuli: The stimulus did not seem to appear at its actual starting location but at a later position on the motion trajectory (Fröhlich, 1921, 1929). Most researchers expla ...
... More than 80 years ago, the German physiologist Friedrich Fröhlich discovered a localization error that occurs with fast moving stimuli: The stimulus did not seem to appear at its actual starting location but at a later position on the motion trajectory (Fröhlich, 1921, 1929). Most researchers expla ...
Competitive Dynamics in Cortical Responses to Visual Stimuli
... been in the sole presence of its preferred stimulus, and thus the network operated in what we termed normalization mode. If the strength of the inhibition was increased, the network entered an oscillatory mode in which the two pools were alternately active (Fig. 3B). At high inhibitory strength, the ...
... been in the sole presence of its preferred stimulus, and thus the network operated in what we termed normalization mode. If the strength of the inhibition was increased, the network entered an oscillatory mode in which the two pools were alternately active (Fig. 3B). At high inhibitory strength, the ...
Lecture 14 - ANS
... • Over-the-counter drugs for colds, allergies, and nasal congestion – stimulate adrenergic receptors • Beta-blockers – attach mainly to 1 receptors and reduce heart rate and prevent arrhythmias ...
... • Over-the-counter drugs for colds, allergies, and nasal congestion – stimulate adrenergic receptors • Beta-blockers – attach mainly to 1 receptors and reduce heart rate and prevent arrhythmias ...
Lecture 14 - ANS
... • Over-the-counter drugs for colds, allergies, and nasal congestion – stimulate αadrenergic receptors • Beta-blockers – attach mainly to β1 receptors and reduce heart rate and prevent arrhythmias ...
... • Over-the-counter drugs for colds, allergies, and nasal congestion – stimulate αadrenergic receptors • Beta-blockers – attach mainly to β1 receptors and reduce heart rate and prevent arrhythmias ...
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... to shift attention between visual and tactile tasks, they observed an increase in firing rate of the neurons and in their degree of synchronization during the tactile task and not the visual task. Different forms of perceptual learning result, when subjects are required to attend to different stimul ...
... to shift attention between visual and tactile tasks, they observed an increase in firing rate of the neurons and in their degree of synchronization during the tactile task and not the visual task. Different forms of perceptual learning result, when subjects are required to attend to different stimul ...
muscle spindle - KIN450
... primary afferents are thick (12-20 um in diameter) and heavily myelinated which allows for fast conduction (120 m/sec). These afferents increase their firing rate when there is a change in muscle length or rapid movement. They have a rapidly adapting response and therefore provide information about ...
... primary afferents are thick (12-20 um in diameter) and heavily myelinated which allows for fast conduction (120 m/sec). These afferents increase their firing rate when there is a change in muscle length or rapid movement. They have a rapidly adapting response and therefore provide information about ...
Neuroanatomy - TechnionMed
... 17. bleeding in left interna capsule - patient is checked for facial muscle function a. paralysis in the entire right half b. NOT paralyis in left face c. NOT paralysis in lower quarter of left face d. NOT in lower quarter on right of face 18. If patient sticks out his tongue a. It will go left b. N ...
... 17. bleeding in left interna capsule - patient is checked for facial muscle function a. paralysis in the entire right half b. NOT paralyis in left face c. NOT paralysis in lower quarter of left face d. NOT in lower quarter on right of face 18. If patient sticks out his tongue a. It will go left b. N ...
Cerebellum
... one climbing fiber. Because each climbing fiber forms so many synapses with a Purkinje cell, the total excitatory action is strong. Even a single action potential in a climbing fiber elicits a burst of action potentials in the Purkinje cells it contacts (complex spike). The mossy fibers are presumab ...
... one climbing fiber. Because each climbing fiber forms so many synapses with a Purkinje cell, the total excitatory action is strong. Even a single action potential in a climbing fiber elicits a burst of action potentials in the Purkinje cells it contacts (complex spike). The mossy fibers are presumab ...
Ultrastructure and Function of Cephalopod Chromatophores
... one .tp.the conclusion that the chromatophores must be considered a functioning syncytium. But he also stated later that when the radial muscle fibers relax, "the pigment body retracts, essentially due to the elasticity of a cell membrane that surrounds it" (1910, p. 44), and he pointed out (p.- 45) ...
... one .tp.the conclusion that the chromatophores must be considered a functioning syncytium. But he also stated later that when the radial muscle fibers relax, "the pigment body retracts, essentially due to the elasticity of a cell membrane that surrounds it" (1910, p. 44), and he pointed out (p.- 45) ...
Neural Correlates of Perceived Brightness in the Retina, Lateral
... and a surgical level of anesthesia was achieved with sodium thiopental (initial dose 20 mg / kg, i.v., supplemented as needed). A tracheotomy was performed, and the animal intubated. The animal was then paralyzed with an intravenous inf usion of atracurium besylate (initial dose 5 mg, 0.6 –1.2 mg z ...
... and a surgical level of anesthesia was achieved with sodium thiopental (initial dose 20 mg / kg, i.v., supplemented as needed). A tracheotomy was performed, and the animal intubated. The animal was then paralyzed with an intravenous inf usion of atracurium besylate (initial dose 5 mg, 0.6 –1.2 mg z ...
attention - CMU Graphics
... ❏ features - orientation, color, direction of motion, spatial frequency ❏ intensity - luminance contrast ● play different roles in the bias competition model ● untuned feature - decreases poor stimulus response, suppress pair response ● high intensity - increases poor stimulus response, suppress pai ...
... ❏ features - orientation, color, direction of motion, spatial frequency ❏ intensity - luminance contrast ● play different roles in the bias competition model ● untuned feature - decreases poor stimulus response, suppress pair response ● high intensity - increases poor stimulus response, suppress pai ...
Acoustical Vision of Neglected Stimuli: Interaction among Spatially
... presented at the same position (or at close disparity) as a visual stimulus influenced detection of previously neglected visual targets. Before going on to understand the implications of this finding in a context of a cross-modal interaction between vision and audition, we need to explore the possib ...
... presented at the same position (or at close disparity) as a visual stimulus influenced detection of previously neglected visual targets. Before going on to understand the implications of this finding in a context of a cross-modal interaction between vision and audition, we need to explore the possib ...
The Structure of Spatial Receptive Fields of Neurons in Primary
... waveform pairs spaced at 4.5 or 98 intervals; at each direction the pair of signals, appropriate for the left and right ears, was simulated digitally. Signal intensity could be varied over a range of 127 dB from its maximal level (full-scale output from a 12-bit D/A converter). In this study, intens ...
... waveform pairs spaced at 4.5 or 98 intervals; at each direction the pair of signals, appropriate for the left and right ears, was simulated digitally. Signal intensity could be varied over a range of 127 dB from its maximal level (full-scale output from a 12-bit D/A converter). In this study, intens ...
The non-classical auditory pathways are involved in hearing in
... (‘high route’). Abnormal routing of auditory information to limbic structures is suggested by the fact that individuals with severe tinnitus often have an abnormal perception of loudness (hyperacusis) and some individuals experience phonophobia [11]. The fact that some individuals with tinnitus perc ...
... (‘high route’). Abnormal routing of auditory information to limbic structures is suggested by the fact that individuals with severe tinnitus often have an abnormal perception of loudness (hyperacusis) and some individuals experience phonophobia [11]. The fact that some individuals with tinnitus perc ...
ANS notes filled
... active under normal conditions This division of the ANS is called the “rest and repose” division. The parasympathetic division is stimulated under normal or resting conditions, when you want to cover from stress; build up reserves and maintain the body. This causes a decrease in heart and respiratio ...
... active under normal conditions This division of the ANS is called the “rest and repose” division. The parasympathetic division is stimulated under normal or resting conditions, when you want to cover from stress; build up reserves and maintain the body. This causes a decrease in heart and respiratio ...
A Neuronal Model of Predictive Coding Accounting for the
... However, a detailed neuronal model of the neurobiological mechanisms underlying the MMN is still lacking, and its computational foundations remain debated. We propose here a detailed neuronal model of auditory cortex, based on predictive coding, that accounts for the critical features of MMN. The mo ...
... However, a detailed neuronal model of the neurobiological mechanisms underlying the MMN is still lacking, and its computational foundations remain debated. We propose here a detailed neuronal model of auditory cortex, based on predictive coding, that accounts for the critical features of MMN. The mo ...
Review of Thoracic and Abdominal Autonomics
... from the T1-T4 chain ganglia—some pass through cervical ganglia on their way to the heart. It may seem odd that some of the pathways to the heart start in the thoracic spinal cord, run all the way up to the superior cervical ganglion, synapse, and then descend again into the thorax. This is a holdov ...
... from the T1-T4 chain ganglia—some pass through cervical ganglia on their way to the heart. It may seem odd that some of the pathways to the heart start in the thoracic spinal cord, run all the way up to the superior cervical ganglion, synapse, and then descend again into the thorax. This is a holdov ...
Figure 1 - Journal of Neuroscience
... to a light-sensitive area, likely the SC (Schnupp and King, 1997). The borders of the SC were roughly located by recording multiunit entrainment to a pulsed (1 or 4 Hz), red LED located in front of the monkey, or ⬃20 or ⬃40° to the side (contralateral to the IC under study). Although clear light res ...
... to a light-sensitive area, likely the SC (Schnupp and King, 1997). The borders of the SC were roughly located by recording multiunit entrainment to a pulsed (1 or 4 Hz), red LED located in front of the monkey, or ⬃20 or ⬃40° to the side (contralateral to the IC under study). Although clear light res ...
Lesions of the Basolateral Amygdala Disrupt Selective Aspects of
... resulted in the presentation of this CS than on a control lever. ...
... resulted in the presentation of this CS than on a control lever. ...
An Extended Model for Stimulus Onset Asynchrony (SOA) in Stroop
... of the incongruent case (the solid curve above line y = 0 in Fig. 8b) takes longer than the result in experiment 1 (the dashed curve above line y = 0). The response time of the congruent case (the solid curve below line y = 0 in Fig. 8b) is shorter than the result in experiment 1 (the dashed curve b ...
... of the incongruent case (the solid curve above line y = 0 in Fig. 8b) takes longer than the result in experiment 1 (the dashed curve above line y = 0). The response time of the congruent case (the solid curve below line y = 0 in Fig. 8b) is shorter than the result in experiment 1 (the dashed curve b ...
Hearing, I: The Cochlea - American Journal of Neuroradiology
... is necessary for fluid propagation. Occlusion of the round window by otosclerotic plaques may render prosthetic stapedectomy ineffective because of the incompressible nature of the labyrinthine fluid. It is interesting that the entire fluid volume of the perilymphatic spaces of the inner ear is only ...
... is necessary for fluid propagation. Occlusion of the round window by otosclerotic plaques may render prosthetic stapedectomy ineffective because of the incompressible nature of the labyrinthine fluid. It is interesting that the entire fluid volume of the perilymphatic spaces of the inner ear is only ...
MAC: Electrophysiology Lecture
... Test and Findings: • DPOAE used to assess cochlear outer hair cell function between 2000 and 6000 Hz bilaterally: OAE present bilaterally ruling out mild sensorineural or neural hearing loss • ABR: Recording electrodes placed on forehead and ears; insert earphones used to deliver click and 1 kHz ton ...
... Test and Findings: • DPOAE used to assess cochlear outer hair cell function between 2000 and 6000 Hz bilaterally: OAE present bilaterally ruling out mild sensorineural or neural hearing loss • ABR: Recording electrodes placed on forehead and ears; insert earphones used to deliver click and 1 kHz ton ...
Corticofugal Modulation of Initial Sound
... Luo et al. • Corticofugal Modulation in the Cochlear Nucleus ...
... Luo et al. • Corticofugal Modulation in the Cochlear Nucleus ...