and “Wanting” Linked to Reward Deficiency
... imaging (fMRI) scanning. The contrast in blood-oxygen-level dependent (BOLD) signals when viewing gaming pictures and when viewing mosaic pictures was used to evaluate the brain activations. In their experiment, right orbitofrontal cortex, right NAc, bilateral anterior cingulate, bilateral medial fr ...
... imaging (fMRI) scanning. The contrast in blood-oxygen-level dependent (BOLD) signals when viewing gaming pictures and when viewing mosaic pictures was used to evaluate the brain activations. In their experiment, right orbitofrontal cortex, right NAc, bilateral anterior cingulate, bilateral medial fr ...
Phantom Limbs and Neural Plasticity
... phenomenon”—a manifestation, in the adult, of a process that is ordinarily expressed only in early brain development? Since a larger amount of cortex is now devoted to the region proximal to the stump, would there be an improvement in tactile acuity in these regions? An early study by Teuber et al20 ...
... phenomenon”—a manifestation, in the adult, of a process that is ordinarily expressed only in early brain development? Since a larger amount of cortex is now devoted to the region proximal to the stump, would there be an improvement in tactile acuity in these regions? An early study by Teuber et al20 ...
Cholinergic Deafferentation of the Entorhinal Cortex in Rats
... until they re-established criterion performance. After this time, rats underwent tests with familiar odors to determine whether cholinergic deafferentation of the entorhinal cortex increased sensitivity to increased mnemonic demands produced by prolonged delays between the sample stimuli and choice ...
... until they re-established criterion performance. After this time, rats underwent tests with familiar odors to determine whether cholinergic deafferentation of the entorhinal cortex increased sensitivity to increased mnemonic demands produced by prolonged delays between the sample stimuli and choice ...
- Stem-cell and Brain Research Institute
... Finally, with the current model we address both syntactic comprehension, and the learning of artificial grammars in the classical sense of Reber (1967). In particular, the model is used to provide insight into behavioral results from an artificial grammar learning task described in Gomez and Schvaneve ...
... Finally, with the current model we address both syntactic comprehension, and the learning of artificial grammars in the classical sense of Reber (1967). In particular, the model is used to provide insight into behavioral results from an artificial grammar learning task described in Gomez and Schvaneve ...
Reduced functional connectivity within and between `social` resting
... network subserves are correlated with the resting functional connectivity of that network (Seeley et al., 2007). In light of these observations, an interesting question is to what extent task-based differences in specific brain regions in ASC are reflected in different connectivity patterns of their ...
... network subserves are correlated with the resting functional connectivity of that network (Seeley et al., 2007). In light of these observations, an interesting question is to what extent task-based differences in specific brain regions in ASC are reflected in different connectivity patterns of their ...
PDF
... The primary brain structures of reward processing are mainly situated in the mid-brain dopamine system. The nucleus accumbens (NAc) receives dopaminergic projections from the ventral tegmental area and works as a key brain region for the positive incentive value of rewards. Because neurokinin-1 (NK1 ...
... The primary brain structures of reward processing are mainly situated in the mid-brain dopamine system. The nucleus accumbens (NAc) receives dopaminergic projections from the ventral tegmental area and works as a key brain region for the positive incentive value of rewards. Because neurokinin-1 (NK1 ...
19 CORTICAL PROJECTIONS FROM TWO PRESTRIATE AREAS IN
... inferior occipital sulcus in lower area 18 lesions). A small projection also appears to exist from the region of representation of the vertical meridian in area 18 to the corresponding region in area 19 (Fig. 2B). It was naturally interesting to see whether regions of horizontal meridian representat ...
... inferior occipital sulcus in lower area 18 lesions). A small projection also appears to exist from the region of representation of the vertical meridian in area 18 to the corresponding region in area 19 (Fig. 2B). It was naturally interesting to see whether regions of horizontal meridian representat ...
Neuroanatomical correlates of the near response: voluntary
... in accommodative processing, unsubtracted or subtracted rCBF (DrCBF) in the visual cortex was assessed across the different scan conditions. Repeated-measures ANOVA was performed on individual activity in spherical ROIs in calcarine (~ 8 mm radius) or occipital (~ 16 mm radius) cortex. Bilateral ROI ...
... in accommodative processing, unsubtracted or subtracted rCBF (DrCBF) in the visual cortex was assessed across the different scan conditions. Repeated-measures ANOVA was performed on individual activity in spherical ROIs in calcarine (~ 8 mm radius) or occipital (~ 16 mm radius) cortex. Bilateral ROI ...
Switching from automatic to controlled behavior: cortico - lsr
... is impaired in subjects with lesions including the pre-SMA [38] and in normal subjects when transcranial magnetic stimulation is applied over the pre-SMA [39]. Second, the human pre-SMA is activated when two procedures compete with each other [19,22,37]. Thus, the conflict associated with proactive ...
... is impaired in subjects with lesions including the pre-SMA [38] and in normal subjects when transcranial magnetic stimulation is applied over the pre-SMA [39]. Second, the human pre-SMA is activated when two procedures compete with each other [19,22,37]. Thus, the conflict associated with proactive ...
Functional Organization of the Cat Visual Cortex in Relation to the
... layer of area 18. All recording sites were restricted to within 800 m of the surface of the cortex, above the depth where the high spontaneous activities and brisk ON-OFF responses associated with layer 4 were obtained (Gilbert 1977; Snodderly and Gur 1995). Neuronal signals were amplified (⫻10,000 ...
... layer of area 18. All recording sites were restricted to within 800 m of the surface of the cortex, above the depth where the high spontaneous activities and brisk ON-OFF responses associated with layer 4 were obtained (Gilbert 1977; Snodderly and Gur 1995). Neuronal signals were amplified (⫻10,000 ...
mechanisms of visual attention in the human cortex
... firing rate and a single poor stimulus elicited a low firing rate, the response to the paired stimuli was reduced compared with that elicited by the single good stimulus. This result indicates that two stimuli present at the same time within a neuron’s RF are not processed independently, but rather ...
... firing rate and a single poor stimulus elicited a low firing rate, the response to the paired stimuli was reduced compared with that elicited by the single good stimulus. This result indicates that two stimuli present at the same time within a neuron’s RF are not processed independently, but rather ...
Preview as PDF - Pearson Higher Education
... synaptic knobs), which are responsible for communicating with other nerve cells. Neurons make up a large part of the brain, but they are not the only cells that affect our thinking, learning, memory, perception, and all of the other facets of life that make us who we are. The other primary cells are ...
... synaptic knobs), which are responsible for communicating with other nerve cells. Neurons make up a large part of the brain, but they are not the only cells that affect our thinking, learning, memory, perception, and all of the other facets of life that make us who we are. The other primary cells are ...
Document
... of sound to be identified and comprehended as meaningful words – Damage Wernicke's area leads to receptive or sensory aphasia which is primarily a difficulty in understanding language ...
... of sound to be identified and comprehended as meaningful words – Damage Wernicke's area leads to receptive or sensory aphasia which is primarily a difficulty in understanding language ...
PDF - Oxford Academic - Oxford University Press
... stimulus for each trial. Each noun phrase and each verb was always three syllables long and presented for 350 ms in order to ensure a constant listening time. We prepared an original set of 40 pairs of noun phrase and verb. One half of the original pairs were used as N stimuli for each of the Syn, S ...
... stimulus for each trial. Each noun phrase and each verb was always three syllables long and presented for 350 ms in order to ensure a constant listening time. We prepared an original set of 40 pairs of noun phrase and verb. One half of the original pairs were used as N stimuli for each of the Syn, S ...
lecture 13 - McLoon Lab - University of Minnesota
... It is caused by synchronous excitatory activity in the cortex that spreads from a focal activation site. In severe cases, portions of the corpus callosum can be surgically cut, which will prevent the spread of activity from one side of the brain to the other. ...
... It is caused by synchronous excitatory activity in the cortex that spreads from a focal activation site. In severe cases, portions of the corpus callosum can be surgically cut, which will prevent the spread of activity from one side of the brain to the other. ...
The Mind-Body Problem and Current Behavioral
... conditioned by the shock rather than on behaviors that avoid the shock.» (He seems to consider this as an achievement or progress) ...
... conditioned by the shock rather than on behaviors that avoid the shock.» (He seems to consider this as an achievement or progress) ...
Commentaries on Viewpoint: A role for the prefrontal cortex in
... absence of compelling data, this hypothesis is currently based upon insufficient evidence from exercise studies. There remains uncertainty about how PFC accommodates to physical exertion by modulating cognitive control. Self-regulatory fatigue could occur due to either lack of increased PFC activity ...
... absence of compelling data, this hypothesis is currently based upon insufficient evidence from exercise studies. There remains uncertainty about how PFC accommodates to physical exertion by modulating cognitive control. Self-regulatory fatigue could occur due to either lack of increased PFC activity ...
Function of Basal Ganglia (Summary)
... Main Function of Basal Ganglia (Summary) Selection, triggering and generation of basic motor commands in the Central Nervous Systems. - Doesn't regulate, just releases the basic motor commands o o o ...
... Main Function of Basal Ganglia (Summary) Selection, triggering and generation of basic motor commands in the Central Nervous Systems. - Doesn't regulate, just releases the basic motor commands o o o ...
Novel visual stimuli activate a population of neurons
... that the receptive Welds of inferior temporal cortex neurons, which provide the visual inputs to the orbitofrontal cortex, are typically 70° in diameter in the stimulus presentation conditions used here (Rolls, Aggelopoulos, & Zheng, 2003a); and that the neuronal responses had reliable short latenci ...
... that the receptive Welds of inferior temporal cortex neurons, which provide the visual inputs to the orbitofrontal cortex, are typically 70° in diameter in the stimulus presentation conditions used here (Rolls, Aggelopoulos, & Zheng, 2003a); and that the neuronal responses had reliable short latenci ...
The role of eyes in early face processing: A rapid adaptation study of
... should diminish the inversion effect because object-sensitive neurons would respond less to the face test stimuli. However, Eimer et al. (2010) showed that presenting houses as adaptors failed to diminish the FIE (i.e., the difference between upright and inverted test stimuli) compared to presenting ...
... should diminish the inversion effect because object-sensitive neurons would respond less to the face test stimuli. However, Eimer et al. (2010) showed that presenting houses as adaptors failed to diminish the FIE (i.e., the difference between upright and inverted test stimuli) compared to presenting ...
ORGANIZATION OF CORTICAL AFFERENTS TO THE FRONTAL
... pho-functional heterogeneity of this cortical region. Recent results show the diversification in afferent projections into particular FAC parts coming from thalamic and also from extrathalamic structures (26-30, 51, 65, 67, 68). It is particularly well expressed by the distribution of indirect FAC ...
... pho-functional heterogeneity of this cortical region. Recent results show the diversification in afferent projections into particular FAC parts coming from thalamic and also from extrathalamic structures (26-30, 51, 65, 67, 68). It is particularly well expressed by the distribution of indirect FAC ...
Brain Research, 178 (1979) 363-380 363 © Elsevier/North
... however, multi-units were never studied closer than 200 ffM apart. In some animals penetrations were widely spaced throughout the inferior temporal region. In other animals penetrations were closely spaced, sometimes every millimeter, to detect any small-scale organization and particularly to study ...
... however, multi-units were never studied closer than 200 ffM apart. In some animals penetrations were widely spaced throughout the inferior temporal region. In other animals penetrations were closely spaced, sometimes every millimeter, to detect any small-scale organization and particularly to study ...
Different representations of pleasant and unpleasant odours in the
... regions of the left and more lateral orbitofrontal cortex. Moreover, a double dissociation was found with the intensity ratings of the odours, which were not correlated with the BOLD signal in the orbitofrontal cortex, but were correlated with the signal in medial olfactory cortical areas including ...
... regions of the left and more lateral orbitofrontal cortex. Moreover, a double dissociation was found with the intensity ratings of the odours, which were not correlated with the BOLD signal in the orbitofrontal cortex, but were correlated with the signal in medial olfactory cortical areas including ...
University of Groningen The hearing brain in males and
... The main question when using functional neuroimaging tools is “which areas are involved while performing a task?” or in other words “which areas are active during the task?”. The human brain consists of billions of neurons, which transmit information from one brain region to another by electrochemic ...
... The main question when using functional neuroimaging tools is “which areas are involved while performing a task?” or in other words “which areas are active during the task?”. The human brain consists of billions of neurons, which transmit information from one brain region to another by electrochemic ...
Multisensory contributions to low-level, `unisensory` processing
... convergence in low-level cortical processing Assuming that activity in auditory cortex generally corresponds to a perceptual experience of something heard, a probable function of a converging visual or somatosensory input would be to enhance auditory analysis of that stimulus. How does auditory proc ...
... convergence in low-level cortical processing Assuming that activity in auditory cortex generally corresponds to a perceptual experience of something heard, a probable function of a converging visual or somatosensory input would be to enhance auditory analysis of that stimulus. How does auditory proc ...