Role of the Basal Ganglia in the Control of Purposive - lsr
... orienting response is no longer just a reflex for most vertebrates; it requires integration of multimodal sensory information. This in turn necessitates the presence of a mechanism that controls the integration process, with which an appropriate signal is selected. The basal ganglia may have evolved ...
... orienting response is no longer just a reflex for most vertebrates; it requires integration of multimodal sensory information. This in turn necessitates the presence of a mechanism that controls the integration process, with which an appropriate signal is selected. The basal ganglia may have evolved ...
Article
... Rhythmic movements, such as walking, swimming, and flying, are commonly driven by neural networks known as central pattern generators (CPGs). CPGs produce rhythmic motor patterns in the absence of sensory feedback [1–3], and are found in many species including insects and mammals, sharing many simil ...
... Rhythmic movements, such as walking, swimming, and flying, are commonly driven by neural networks known as central pattern generators (CPGs). CPGs produce rhythmic motor patterns in the absence of sensory feedback [1–3], and are found in many species including insects and mammals, sharing many simil ...
frontal functions, connectivity and neural efficiency underpinning
... Neurophysiological fractionation of processes, to include possible inhibition, has been demonstrated between error detection processes and error evaluation processes and with the apparent inhibition or uncoupling of the latter, both of which are processes emanating from the anterior cingulate. These ...
... Neurophysiological fractionation of processes, to include possible inhibition, has been demonstrated between error detection processes and error evaluation processes and with the apparent inhibition or uncoupling of the latter, both of which are processes emanating from the anterior cingulate. These ...
Somatosensory System Organization and Texture Sensation in Rats
... clusters resembled wine casks, calling out for the name barrels (Figure 21.6B). The insight of Woolsey and van der Loos was that the spatial arrangement of the barrels replicates exactly the spatial arrangement of the whiskers on the snout. The authors concluded that the barrel field is a map of the ...
... clusters resembled wine casks, calling out for the name barrels (Figure 21.6B). The insight of Woolsey and van der Loos was that the spatial arrangement of the barrels replicates exactly the spatial arrangement of the whiskers on the snout. The authors concluded that the barrel field is a map of the ...
Study Objectives
... 4. Identify and briefly describe experimental approaches used to examine cerebral lateralization in humans. 5. Describe Sperry's and Gazzaniga's work with split-brain patients. What did their results reveal about the functions of the two cerebral hemispheres? 6. Define aphasia and list at least thr ...
... 4. Identify and briefly describe experimental approaches used to examine cerebral lateralization in humans. 5. Describe Sperry's and Gazzaniga's work with split-brain patients. What did their results reveal about the functions of the two cerebral hemispheres? 6. Define aphasia and list at least thr ...
Neural correlates of positive and negative performance feedback in
... negative feedback than during positive (e.g., [9-11]). On the other hand, Aron et al. [1] reported stronger midbrain activation during negative feedback than during positive, whereas positive feedback did not yield stronger activation than negative feedback. These heterogeneous results need further ...
... negative feedback than during positive (e.g., [9-11]). On the other hand, Aron et al. [1] reported stronger midbrain activation during negative feedback than during positive, whereas positive feedback did not yield stronger activation than negative feedback. These heterogeneous results need further ...
From Thought to Action
... membrane potentials is referred to as "information processing" when examined within a neuron or network, and "communication" when described as occuring between neurons or networks. These word choices have inspired the analysis of neural systems in analogy to computation and data transmission problem ...
... membrane potentials is referred to as "information processing" when examined within a neuron or network, and "communication" when described as occuring between neurons or networks. These word choices have inspired the analysis of neural systems in analogy to computation and data transmission problem ...
Paper
... cingulate and frontal agranular areas. In macaques, Pearson et al. (1982) and Tanne-Gariepy et al. (2002) examined claustrum afferents to lateral prefrontal areas, including areas 8, 9, 12, and 46, and to motor and premotor areas of frontal cortex. These studies showed that projections to area 46 we ...
... cingulate and frontal agranular areas. In macaques, Pearson et al. (1982) and Tanne-Gariepy et al. (2002) examined claustrum afferents to lateral prefrontal areas, including areas 8, 9, 12, and 46, and to motor and premotor areas of frontal cortex. These studies showed that projections to area 46 we ...
322 Neuroscience I - Jordan University of Science and Technology
... stereotyped behaviors. These include sexual and maternal behavior, fear, rage, and motivation Discuss the brain regions involved in sexual behavior in both sexes. Describe the parts of the brain involved in producing the balance between rage and placidity. Outline the anatomy of the serotonergic, no ...
... stereotyped behaviors. These include sexual and maternal behavior, fear, rage, and motivation Discuss the brain regions involved in sexual behavior in both sexes. Describe the parts of the brain involved in producing the balance between rage and placidity. Outline the anatomy of the serotonergic, no ...
Age-dependent effect of cholinergic lesion on dendritic morphology
... rats [52]. Finally, lesions of the nucleus basalis magnocellularis (NBM) attenuate benzodiazepine-induced potentiation of acetylcholine release in frontoparietal cortex in aged but not young adult rats [51]. These differential responses of aging individuals to injury or lesion suggest that plasticit ...
... rats [52]. Finally, lesions of the nucleus basalis magnocellularis (NBM) attenuate benzodiazepine-induced potentiation of acetylcholine release in frontoparietal cortex in aged but not young adult rats [51]. These differential responses of aging individuals to injury or lesion suggest that plasticit ...
Paying attention to consciousness - What is Neuro
... organize the results, from the numerous attention studies, under the aegis of engineering control. This latter approach has great flexibility, at the same time allowing specific functions to be searched for. Such a framework also leads to predictions, as will be described later. In addition, it is p ...
... organize the results, from the numerous attention studies, under the aegis of engineering control. This latter approach has great flexibility, at the same time allowing specific functions to be searched for. Such a framework also leads to predictions, as will be described later. In addition, it is p ...
A Comprehensive Protocol for Manual Segmentation of the Medial
... investigations of the MTL, including volumetric analyses and brain anomaly detection, as well as localizing procedures for functional, anatomical, and tractographic analyses, in healthy groups. The present protocol could also be used to inform segmentation of MTL structures for patients (e.g., patie ...
... investigations of the MTL, including volumetric analyses and brain anomaly detection, as well as localizing procedures for functional, anatomical, and tractographic analyses, in healthy groups. The present protocol could also be used to inform segmentation of MTL structures for patients (e.g., patie ...
Response Suppression in V1 Agrees with Psychophysics of
... Subjects viewed the stimuli while time series of MRI volumes were acquired (every 1.5 sec) using a T2 *-sensitive, spiral-trajectory, gradientecho pulse sequence (Glover and Lai, 1998; Glover, 1999): echo time (TE), 30 msec; repetition time (TR), 750 msec (two interleaves); flip angle, 55°; field of ...
... Subjects viewed the stimuli while time series of MRI volumes were acquired (every 1.5 sec) using a T2 *-sensitive, spiral-trajectory, gradientecho pulse sequence (Glover and Lai, 1998; Glover, 1999): echo time (TE), 30 msec; repetition time (TR), 750 msec (two interleaves); flip angle, 55°; field of ...
Executive Control Over Cognition: Stronger and Earlier Rule
... To characterize the neural mechanisms involved in computational flexibility and executive control over spatial cognitive processing at the network level, we simultaneously recorded neural activity in prefrontal and parietal cortex of monkeys as they assigned the same set of visual stimuli to alterna ...
... To characterize the neural mechanisms involved in computational flexibility and executive control over spatial cognitive processing at the network level, we simultaneously recorded neural activity in prefrontal and parietal cortex of monkeys as they assigned the same set of visual stimuli to alterna ...
What is the function of the claustrum? - Christof Koch
... example, orbital frontal cortex projects to the entire claustrum except the visual part. All these complicated interactions show that the cortical areas act in groups. There is strong interaction within each group and lesser interactions between groups. Likewise, there is at least one visual region ...
... example, orbital frontal cortex projects to the entire claustrum except the visual part. All these complicated interactions show that the cortical areas act in groups. There is strong interaction within each group and lesser interactions between groups. Likewise, there is at least one visual region ...
Spatial tuning of reaching activity in the medial parieto
... (iv) M2. Inward reach movement, i.e. movement towards the memorized target outside the field of view. M1 and M2 periods of neural modulation related to arm movements towards the LED and towards the home button, respectively; both epochs could start before the onset of arm movement in case the neural ...
... (iv) M2. Inward reach movement, i.e. movement towards the memorized target outside the field of view. M1 and M2 periods of neural modulation related to arm movements towards the LED and towards the home button, respectively; both epochs could start before the onset of arm movement in case the neural ...
The Differential Role of Motor Cortex in Stretch Reflex Modulation
... mechanical environment and task instruction (Compliant:Resist) differed from the baseline (Stiff:DNI) condition was investigated in experiment 3. Blocks of 20 trials in each task condition were performed with and without the application of TMS applied 50 ms before the perturbation. The order of task ...
... mechanical environment and task instruction (Compliant:Resist) differed from the baseline (Stiff:DNI) condition was investigated in experiment 3. Blocks of 20 trials in each task condition were performed with and without the application of TMS applied 50 ms before the perturbation. The order of task ...
Descartes` Error: Emotion, Reason, and the Human Brain
... nent findings from neuropsychological research in humans and animals. Further, I propose that human reason depends on several brain systems, working in concert across many levels of neuronal organization, rather than on a single brain center. Both "high-level" and "low-level" brain regions, from the ...
... nent findings from neuropsychological research in humans and animals. Further, I propose that human reason depends on several brain systems, working in concert across many levels of neuronal organization, rather than on a single brain center. Both "high-level" and "low-level" brain regions, from the ...
Resting-State Functional Connectivity in Autism Spectrum
... This can be a “global” decrease between different nodes of a network, like the posterior cingulate cortex (PCC) and the medial prefrontal cortex (mPFC) in the default mode network (DMN), or a “local” decrease in connectivity within a brain region, like changes within the PCC. For purposes of functio ...
... This can be a “global” decrease between different nodes of a network, like the posterior cingulate cortex (PCC) and the medial prefrontal cortex (mPFC) in the default mode network (DMN), or a “local” decrease in connectivity within a brain region, like changes within the PCC. For purposes of functio ...
Behavioral consequences of abnormal cortical development
... Cortical neuronal differentiation includes cell maturation and dendrite formation, synaptogenesis and the development of short and long connections which are the wiring for sensory integration and behavioral outputs. Simultaneously, cortical glial cells and the vascular network are maturing towards ...
... Cortical neuronal differentiation includes cell maturation and dendrite formation, synaptogenesis and the development of short and long connections which are the wiring for sensory integration and behavioral outputs. Simultaneously, cortical glial cells and the vascular network are maturing towards ...
Sensorimotor cortical influences on cuneate nucleus
... neurons.28 It was also shown that the cuneate neurons display tonic and bursting activity which, as in the thalamus and the cortex, appears to depend partially on intrinsic membrane properties.7. and 31. It was suggested that, while the cortically originated slow oscillation47., 51. and 52. is proba ...
... neurons.28 It was also shown that the cuneate neurons display tonic and bursting activity which, as in the thalamus and the cortex, appears to depend partially on intrinsic membrane properties.7. and 31. It was suggested that, while the cortically originated slow oscillation47., 51. and 52. is proba ...
PDF of this article
... al. (26) have demonstrated that complete lesioning of the globus pallidus causes a slight increase in the firing rate of subthalamic neurons, which is far less pronounced than the increase observed in animals with nigrostriatal damage. These data suggest that an additional, if not alternative, expla ...
... al. (26) have demonstrated that complete lesioning of the globus pallidus causes a slight increase in the firing rate of subthalamic neurons, which is far less pronounced than the increase observed in animals with nigrostriatal damage. These data suggest that an additional, if not alternative, expla ...
An unaware agenda: interictal consciousness
... EEG recordings during seizure onset consistently reveal spikes, such as the spike and wave discharges (SWDs) generated by TC networks. While such discharges usually disappear after the seizure, abnormal activity may be still present between seizures in the form of interictal epileptiform discharges ...
... EEG recordings during seizure onset consistently reveal spikes, such as the spike and wave discharges (SWDs) generated by TC networks. While such discharges usually disappear after the seizure, abnormal activity may be still present between seizures in the form of interictal epileptiform discharges ...
Prosjektoppgave - Mirror neurons_ver4.2
... movement in the monkey's F5 region, it should also activate the neurons in the F1 region that control them. None of the neurons showed any activity during the observation phase (3). Furthermore, because the monkey would usually be watching its own movements, the behavior the recorded neurons display ...
... movement in the monkey's F5 region, it should also activate the neurons in the F1 region that control them. None of the neurons showed any activity during the observation phase (3). Furthermore, because the monkey would usually be watching its own movements, the behavior the recorded neurons display ...
Emotion, Cognition, and Mental State Representation in Amygdala
... respond only to the pleasantness of a sensory stimulus, and not to its identity, to its meaning, or to the context in which the stimulus appears. When neurons encode only one variable, other neurons may easily read out the information represented, and the representation can, in principle, be modified ...
... respond only to the pleasantness of a sensory stimulus, and not to its identity, to its meaning, or to the context in which the stimulus appears. When neurons encode only one variable, other neurons may easily read out the information represented, and the representation can, in principle, be modified ...