Visual Properties of Neurons in a Polysensory Area in Superior
... Most STP units, 70% of the 199 tested, had little or no preference for stimulus size, shape, orientation, or contrast. These nonselective units would respond similarly to spots and slits of light, to shadows, to slides and photographs of complex objects, and to three-dimensional objects. Many of the ...
... Most STP units, 70% of the 199 tested, had little or no preference for stimulus size, shape, orientation, or contrast. These nonselective units would respond similarly to spots and slits of light, to shadows, to slides and photographs of complex objects, and to three-dimensional objects. Many of the ...
The Basal Ganglia Anatomy, Physiology, etc. Overview
... GPe tonically inhibits the subthalamic nucleus (STN) Inhibition (by the striatum) of the inhibitory projections of the GPe, results in the net reduction of inhibition of the STN STN projects excitatory inputs to the SNr‐GPi complex (which inhibits the thalamus). The end‐result is inhibition of the ...
... GPe tonically inhibits the subthalamic nucleus (STN) Inhibition (by the striatum) of the inhibitory projections of the GPe, results in the net reduction of inhibition of the STN STN projects excitatory inputs to the SNr‐GPi complex (which inhibits the thalamus). The end‐result is inhibition of the ...
The affective and cognitive processing of touch, oral texture, and
... ratings made to warm (41 8C) and cold (12 8C) stimuli, and combinations of warm and cold stimuli, applied to the hand (Rolls et al., 2008b). Activations in the lateral and some more anterior parts of the orbitofrontal cortex were correlated with the unpleasantness of the stimuli. In contrast, activa ...
... ratings made to warm (41 8C) and cold (12 8C) stimuli, and combinations of warm and cold stimuli, applied to the hand (Rolls et al., 2008b). Activations in the lateral and some more anterior parts of the orbitofrontal cortex were correlated with the unpleasantness of the stimuli. In contrast, activa ...
Rat Thought-Controlled Robot Arm
... in VL) discharged before brachial flexion to initiate lever reach; ‘flexion’ neurons (16% in MI; 21% in VL) discharged mainly after the onset of antebrachial flexion; ‘pre-extension’ neurons (28% in MI; 15% in VL) were best correlated with the pre-onset and onset of carpal flexion initiating antebra ...
... in VL) discharged before brachial flexion to initiate lever reach; ‘flexion’ neurons (16% in MI; 21% in VL) discharged mainly after the onset of antebrachial flexion; ‘pre-extension’ neurons (28% in MI; 15% in VL) were best correlated with the pre-onset and onset of carpal flexion initiating antebra ...
Plasticity of Sensory and Motor Maps in Adult Mammals
... experiments in the somatosensory system. Thus, "Are other sensory and motor systems capable of reorganization?" Recent experiments on the motor, visual and auditory systems suggest that the capacity to rcorganizc characterizes all central representations and maybe a general feature of brain tissue. ...
... experiments in the somatosensory system. Thus, "Are other sensory and motor systems capable of reorganization?" Recent experiments on the motor, visual and auditory systems suggest that the capacity to rcorganizc characterizes all central representations and maybe a general feature of brain tissue. ...
Chapter 5 Learning to attend in primary visual cortex
... window centered on a red fixation point (FP in Fig. 1a). After an interval of 300 ms, the stimulus appeared on the screen. It consisted of two curves starting at two different small icons. The monkey was presented with a new pair of icons each day, one of which was relevant and the other was to be i ...
... window centered on a red fixation point (FP in Fig. 1a). After an interval of 300 ms, the stimulus appeared on the screen. It consisted of two curves starting at two different small icons. The monkey was presented with a new pair of icons each day, one of which was relevant and the other was to be i ...
pdf
... elements onto a conjunctive representation1,2. This convergence of information is crucial not only for simple associations between stimulus features, but just as much for the binding of relationships between places, people, objects and events into complex episodic memories. But how does the brain im ...
... elements onto a conjunctive representation1,2. This convergence of information is crucial not only for simple associations between stimulus features, but just as much for the binding of relationships between places, people, objects and events into complex episodic memories. But how does the brain im ...
Principles of Neural Science
... highly organized connections with virtually the entire cerebral cortex, as well as the hippocampus and amygdala. Finally, a wide range of motor and nonmotor behaviors have been correlated with activity in individual basal ganglia neurons in experimental animals and with metabolic activity in the bas ...
... highly organized connections with virtually the entire cerebral cortex, as well as the hippocampus and amygdala. Finally, a wide range of motor and nonmotor behaviors have been correlated with activity in individual basal ganglia neurons in experimental animals and with metabolic activity in the bas ...
Reelin and apolipoprotein E receptor 2 in the embryonic and mature
... burst of repetitive firing in pre-synaptic cells leads to a change in synaptic behaviour such that a subsequent single pre-synaptic action potential evokes a greatly increased response in the post-synaptic cells. This effect, known as long-term potentiation (LTP), may last for months or longer and i ...
... burst of repetitive firing in pre-synaptic cells leads to a change in synaptic behaviour such that a subsequent single pre-synaptic action potential evokes a greatly increased response in the post-synaptic cells. This effect, known as long-term potentiation (LTP), may last for months or longer and i ...
as a PDF
... intensity and fast rise-time. VTA DA neurons, i.e. those that give rise to mesolimbocortical DA pathways, respond to each of these types of salient events [57]. Single-unit recordings have demonstrated that VTA DA neurons show phasic elevations in activity in response to novel events [72], unexpecte ...
... intensity and fast rise-time. VTA DA neurons, i.e. those that give rise to mesolimbocortical DA pathways, respond to each of these types of salient events [57]. Single-unit recordings have demonstrated that VTA DA neurons show phasic elevations in activity in response to novel events [72], unexpecte ...
The Integrated Nature of Motor Cortical Function
... (1999) further corroborate Jackson’s idea. Neural activity of motor cortex neurons was recorded during individuated finger movements made by monkeys; wrist muscle activity is inherent to this task. Most neurons were active during many or all of the movements performed. A cluster analysis of motor co ...
... (1999) further corroborate Jackson’s idea. Neural activity of motor cortex neurons was recorded during individuated finger movements made by monkeys; wrist muscle activity is inherent to this task. Most neurons were active during many or all of the movements performed. A cluster analysis of motor co ...
Mapping Retinotopic Structure in Mouse Visual Cortex with Optical
... Using stereotaxic coordinates as well as anatomical markers for area 17, we confirmed that the principal patches are located within the primary visual cortex. We determined the extent of area 17 with a maximum intensity projection of the intrinsic signal across all imaged single-condition maps and a ...
... Using stereotaxic coordinates as well as anatomical markers for area 17, we confirmed that the principal patches are located within the primary visual cortex. We determined the extent of area 17 with a maximum intensity projection of the intrinsic signal across all imaged single-condition maps and a ...
Get PDF - Wiley Online Library
... GanDexon3)5 mice exhibited progressive decline of motor function with onset between 6 and 10 months and with occasional spasticity. However, the GanDexon3)5 mice were maintained in a very heterogenous genetic background and some of them did not develop overt neurological defects (Yang et al. 2007). ...
... GanDexon3)5 mice exhibited progressive decline of motor function with onset between 6 and 10 months and with occasional spasticity. However, the GanDexon3)5 mice were maintained in a very heterogenous genetic background and some of them did not develop overt neurological defects (Yang et al. 2007). ...
What is the other 85% of V1 doing?
... But behind this picture of apparent orderliness, there lies an abundance of unexplained phenomena, a growing list of untidy findings, and an increasingly uncomfortable feeling among many about how the experiments that have led to our current view of V1 were conducted in the first place. The main pro ...
... But behind this picture of apparent orderliness, there lies an abundance of unexplained phenomena, a growing list of untidy findings, and an increasingly uncomfortable feeling among many about how the experiments that have led to our current view of V1 were conducted in the first place. The main pro ...
here - Aerotoxic Association
... are seen in various regions, including the cortex, hippocampal formation, and cerebellum. The lesions are characterized by neuronal cell death resulting from early necrosis or delayed apoptosis. Neurological and neurobehavioral alterations are exacerbated by concurrent exposure to stress or to other ...
... are seen in various regions, including the cortex, hippocampal formation, and cerebellum. The lesions are characterized by neuronal cell death resulting from early necrosis or delayed apoptosis. Neurological and neurobehavioral alterations are exacerbated by concurrent exposure to stress or to other ...
Cortical Motor Organization, Mirror Neurons, and
... Single neuron recording studies allow to correlate the neuronal activity with the presentation of sensory stimuli or with specific behavioural events. Using this technique, it has been demonstrated that neurons of premotor cortex (Brodmann’s area 6) activate during goal-related motor acts, such as r ...
... Single neuron recording studies allow to correlate the neuronal activity with the presentation of sensory stimuli or with specific behavioural events. Using this technique, it has been demonstrated that neurons of premotor cortex (Brodmann’s area 6) activate during goal-related motor acts, such as r ...
Conditioned tone control of brain reward behavior produces highly
... candidate for the storage of behaviorally relevant auditory information. In addition to being associative, it is highly specific to the frequency of the conditioned stimulus, discriminative, develops rapidly, consolidates over hours and days, and retained for weeks or months. Moreover, specific RF pla ...
... candidate for the storage of behaviorally relevant auditory information. In addition to being associative, it is highly specific to the frequency of the conditioned stimulus, discriminative, develops rapidly, consolidates over hours and days, and retained for weeks or months. Moreover, specific RF pla ...
Kandel ch. 42 - Weizmann Institute of Science
... proximal muscles of the body and limbs. The vermis governs posture and locomotion as well as gaze. The adjacent intermediate part of the hemisphere also receives somatosensory input from the limbs. This region projects via the interposed nucleus to lateral corticospinal and rubrospinal systems and t ...
... proximal muscles of the body and limbs. The vermis governs posture and locomotion as well as gaze. The adjacent intermediate part of the hemisphere also receives somatosensory input from the limbs. This region projects via the interposed nucleus to lateral corticospinal and rubrospinal systems and t ...
Edward Jones
... family had ever attended University and my mother, as a child of the working class, was against it on the grounds that I would be taking myself out of that class. Expense was not an issue, for one of the remarkable things about New Zealand in those days and continuing even today is that University e ...
... family had ever attended University and my mother, as a child of the working class, was against it on the grounds that I would be taking myself out of that class. Expense was not an issue, for one of the remarkable things about New Zealand in those days and continuing even today is that University e ...
Neuronal activity (c-Fos) delineating interactions of the cerebral
... PBS) for 1 h, followed by a 1:1000 dilution of avidin-biotinperoxidase (Vector Laboratories, Burlingame, CA, USA) for 1 h at room temperature. The peroxidase reaction was visualized with 0.05% 3,3-diaminobenzidine tetrahydrochloride (DAB, Sigma) in PBS and 0.01% H2 O2 . The sections were stained bro ...
... PBS) for 1 h, followed by a 1:1000 dilution of avidin-biotinperoxidase (Vector Laboratories, Burlingame, CA, USA) for 1 h at room temperature. The peroxidase reaction was visualized with 0.05% 3,3-diaminobenzidine tetrahydrochloride (DAB, Sigma) in PBS and 0.01% H2 O2 . The sections were stained bro ...
The Distribution of Chandelier Cell Axon Terminals that Express the
... secondary visual (areas 17 and 18) and in the somatosensory areas (areas 3b and 1). In contrast, an intermediate density was observed in the motor area 4 and the associative frontolateral areas 45 and 46, whereas the associative frontolateral areas 9 and 10, frontal orbitary areas 11, 12, 13, 14, an ...
... secondary visual (areas 17 and 18) and in the somatosensory areas (areas 3b and 1). In contrast, an intermediate density was observed in the motor area 4 and the associative frontolateral areas 45 and 46, whereas the associative frontolateral areas 9 and 10, frontal orbitary areas 11, 12, 13, 14, an ...
Neural Correlates of First-Person Perspective as One Constituent of
... scene from another person’s viewpoint (3PP) are likely to differ from taking a view of the same scene from one’s own perspective (1PP). Although the cognitive operations differ phenomenally, when perceiving a visual scene from another person’s viewpoint (3PP) or from one’s own perspective (1PP), bot ...
... scene from another person’s viewpoint (3PP) are likely to differ from taking a view of the same scene from one’s own perspective (1PP). Although the cognitive operations differ phenomenally, when perceiving a visual scene from another person’s viewpoint (3PP) or from one’s own perspective (1PP), bot ...