Is neocortex essentially multisensory?
... perception and cognition into unimodal components. That is, the neurobiological data reviewed here suggest that focusing solely on unisensory processes will continue to provide us only with an impoverished view of both brain and behavior. The recent recognition of this fact by many scientists has le ...
... perception and cognition into unimodal components. That is, the neurobiological data reviewed here suggest that focusing solely on unisensory processes will continue to provide us only with an impoverished view of both brain and behavior. The recent recognition of this fact by many scientists has le ...
Timing in reward and decision processes
... Several studies have demonstrated the involvement of the striatum in functions extending beyond a role in movement. Many striatal neurons process reward information. The striatal responses to reward-predicting cues undergo temporal discounting in close relationship to behavioural discounting. Cue re ...
... Several studies have demonstrated the involvement of the striatum in functions extending beyond a role in movement. Many striatal neurons process reward information. The striatal responses to reward-predicting cues undergo temporal discounting in close relationship to behavioural discounting. Cue re ...
Functional Organization of Ferret Auditory Cortex
... Spike sorting was performed offline. Only signals with an amplitude three times that of the noise were recorded by the data acquisition software as ‘spikes’. Units were isolated from the digitized signal by manually clustering data according to spike features, such as amplitude, width and area. We al ...
... Spike sorting was performed offline. Only signals with an amplitude three times that of the noise were recorded by the data acquisition software as ‘spikes’. Units were isolated from the digitized signal by manually clustering data according to spike features, such as amplitude, width and area. We al ...
Brain, Mood and Cognition in Hypothyroidism
... treatment satisfaction in hypothyroidism (publication 1). In the main study, we found subclinically reduced mood in long-term adequately treated patients, but the mood alterations were not associated with alterations in depression-related brain networks. We identified thyroid autoimmunity and treatm ...
... treatment satisfaction in hypothyroidism (publication 1). In the main study, we found subclinically reduced mood in long-term adequately treated patients, but the mood alterations were not associated with alterations in depression-related brain networks. We identified thyroid autoimmunity and treatm ...
Neuroscience and Biobehavioral Reviews Michael T. Treadway , David H. Zald
... 2000, p. 349). In other words, clinical diagnosis of anhedonia does not discriminate between a decrease in motivation and a reduction in experienced pleasure. The failure to draw such a distinction may reflect the long-held assumption that people are motivated to pursue the things they find pleasurabl ...
... 2000, p. 349). In other words, clinical diagnosis of anhedonia does not discriminate between a decrease in motivation and a reduction in experienced pleasure. The failure to draw such a distinction may reflect the long-held assumption that people are motivated to pursue the things they find pleasurabl ...
Experimental Brain Research 221(1)
... Abstract Posterior parietal cortex (PPC) plays an important role in the planning and control of goal-directed action. Single-unit studies in monkeys have identified reach-specific areas in the PPC, but the degree of effector and computational specificity for reach in the corresponding human regions ...
... Abstract Posterior parietal cortex (PPC) plays an important role in the planning and control of goal-directed action. Single-unit studies in monkeys have identified reach-specific areas in the PPC, but the degree of effector and computational specificity for reach in the corresponding human regions ...
Language repetition and short-term memory: an integrative
... should be a critical variable. This is supported by a case study with a deep dysphasic patient who has partially recovered from his language impairment, but who shows again semantic effects during repetition as soon as the delay between language input and output is increased (Martin et al., 1996). T ...
... should be a critical variable. This is supported by a case study with a deep dysphasic patient who has partially recovered from his language impairment, but who shows again semantic effects during repetition as soon as the delay between language input and output is increased (Martin et al., 1996). T ...
Reconsidering anhedonia in depression
... 2000, p. 349). In other words, clinical diagnosis of anhedonia does not discriminate between a decrease in motivation and a reduction in experienced pleasure. The failure to draw such a distinction may reflect the long-held assumption that people are motivated to pursue the things they find pleasurabl ...
... 2000, p. 349). In other words, clinical diagnosis of anhedonia does not discriminate between a decrease in motivation and a reduction in experienced pleasure. The failure to draw such a distinction may reflect the long-held assumption that people are motivated to pursue the things they find pleasurabl ...
Oxytocin Influence on the Nucleus of the Solitary Tract
... NTS is achieved via variation in the oxytocin responsiveness of the second order NTS neurons and heterogeneous innervation by oxytocin-containing axons projecting from the paraventricular nucleus. The study includes a brief, but interesting, discussion of how innervation of the NTS by oxytocin-synth ...
... NTS is achieved via variation in the oxytocin responsiveness of the second order NTS neurons and heterogeneous innervation by oxytocin-containing axons projecting from the paraventricular nucleus. The study includes a brief, but interesting, discussion of how innervation of the NTS by oxytocin-synth ...
apoE genotype and AD..
... FIG. 1. A,B and apoE immunolocalization in formic acid-treated paraffin sections of middle frontal gyrus (A, B, C, D) and hippocampus (G, H) of two patients with sporadic late-onset AD. Increased numbers of intensely Al3-immunoreactive vessels and plaques are found in frontal cortex of the APOE4/4 p ...
... FIG. 1. A,B and apoE immunolocalization in formic acid-treated paraffin sections of middle frontal gyrus (A, B, C, D) and hippocampus (G, H) of two patients with sporadic late-onset AD. Increased numbers of intensely Al3-immunoreactive vessels and plaques are found in frontal cortex of the APOE4/4 p ...
The Emergence of Selective Attention through - laral
... Other than enhancing the neural representations of the relevant items [8], selective attention is regarded to cause the suppression of irrelevant information, as pointed out by a further set of experiments in which subjects are requested to reach a target object in a 3D space, in the presence of sim ...
... Other than enhancing the neural representations of the relevant items [8], selective attention is regarded to cause the suppression of irrelevant information, as pointed out by a further set of experiments in which subjects are requested to reach a target object in a 3D space, in the presence of sim ...
The organization of the cortical motor system: new concepts
... analysis of optic flow and motion (Maunsell and Van Essen, 1983; Ungerleider and Desimone, 1986; Boussaoud et al., 1990). In addition, VIP receives somatosensory information from areas PEc and PFG (Seltzer and Pandya, 1986). VIP neurons fall into two main categories: purely visual neurons and bimoda ...
... analysis of optic flow and motion (Maunsell and Van Essen, 1983; Ungerleider and Desimone, 1986; Boussaoud et al., 1990). In addition, VIP receives somatosensory information from areas PEc and PFG (Seltzer and Pandya, 1986). VIP neurons fall into two main categories: purely visual neurons and bimoda ...
Wind Direction Coding in the Cockroach Escape Response: Winner
... measurements somewhat underestimated the movements of the CF joints of the front legs, because these front legs are held at an angle oblique to the view of the camera. We transformed these data into a single parameter that could describe turn direction. For this, we combined the data from all six le ...
... measurements somewhat underestimated the movements of the CF joints of the front legs, because these front legs are held at an angle oblique to the view of the camera. We transformed these data into a single parameter that could describe turn direction. For this, we combined the data from all six le ...
Lights, Camembert, Action! - Human Reward and Decision Making lab
... that predict a stimulus from the actual UCS itself. In many instances different behavioral responses are appropriate when anticipating a rewarding or punishing event than when experiencing it. If stimulus substitution were to be the only mechanism in place then a CS would be indistinguishable from t ...
... that predict a stimulus from the actual UCS itself. In many instances different behavioral responses are appropriate when anticipating a rewarding or punishing event than when experiencing it. If stimulus substitution were to be the only mechanism in place then a CS would be indistinguishable from t ...
The Effect of Movement Rate and Complexity on
... movement (Jenkins et al., 1997). Because of the decision making involved in this “free selection” task, it may have been a more sophisticated movement paradigm than tapping, and the observed rate effect may have reflected an interaction between movement rate and task complexity. This conclusion is s ...
... movement (Jenkins et al., 1997). Because of the decision making involved in this “free selection” task, it may have been a more sophisticated movement paradigm than tapping, and the observed rate effect may have reflected an interaction between movement rate and task complexity. This conclusion is s ...
invariant face and object recognition in the visual system
... from neurophysiological studies of single neuron activity in primates. It also comes from closely related This paper draws together evidence on how infortheoretical studies which consider how the represenmation about visual stimuli is represented in the tem- tations may be set up by learning in a mu ...
... from neurophysiological studies of single neuron activity in primates. It also comes from closely related This paper draws together evidence on how infortheoretical studies which consider how the represenmation about visual stimuli is represented in the tem- tations may be set up by learning in a mu ...
Luczak, 2015 - University of Lethbridge
... packet is between 50 and a few hundred milliseconds. Sequentially structured activity packets also form the building blocks of responses to more‑complex, continuous stimuli, at least in the auditory cortex. For example, in the rat auditory cortex, the population response to complex sounds, such as a ...
... packet is between 50 and a few hundred milliseconds. Sequentially structured activity packets also form the building blocks of responses to more‑complex, continuous stimuli, at least in the auditory cortex. For example, in the rat auditory cortex, the population response to complex sounds, such as a ...
The impact of continuity editing in narrative film on event segmentation
... narrative film (The Red Balloon; Lamorisse, 1956), while brain activity was recorded with functional magnetic resonance imaging (fMRI), and then segment the film. Replicating previous results, transient changes in brain activity were observed throughout the cortex: in the lateral and medial posterio ...
... narrative film (The Red Balloon; Lamorisse, 1956), while brain activity was recorded with functional magnetic resonance imaging (fMRI), and then segment the film. Replicating previous results, transient changes in brain activity were observed throughout the cortex: in the lateral and medial posterio ...
Pontine Gustatory Activity Is Altered by Electrical Stimulation in the
... citric acid– best neurons, the magnitude of inhibition produced by CeA activation increased with an increase in stimulus effectiveness. The responses to citric acid were inhibited significantly more than the responses to all other stimuli with the exception of NaCl mixed with amiloride. The overall ...
... citric acid– best neurons, the magnitude of inhibition produced by CeA activation increased with an increase in stimulus effectiveness. The responses to citric acid were inhibited significantly more than the responses to all other stimuli with the exception of NaCl mixed with amiloride. The overall ...
Brain Storm - School of Rehabilitation Therapy
... arteries. The internal carotid arteries make a characteristic 900 turn transversely as they enter the skull. Upon entering the skull they traverse the cavernous sinus. The internal carotid then makes another characteristic turn known as the carotid siphon (s-shaped) before giving off two main termin ...
... arteries. The internal carotid arteries make a characteristic 900 turn transversely as they enter the skull. Upon entering the skull they traverse the cavernous sinus. The internal carotid then makes another characteristic turn known as the carotid siphon (s-shaped) before giving off two main termin ...
Repetitive Transcranial Magnetic Stimulation of the Right
... creatinine in the right hemisphere of the PTSD patients was significantly lower than that on the left and was also significantly lower than that of the comparison subjects. De Bellis et al. (36) reported lower levels of N-acetylaspartate in the anterior cingulate region in maltreated children with P ...
... creatinine in the right hemisphere of the PTSD patients was significantly lower than that on the left and was also significantly lower than that of the comparison subjects. De Bellis et al. (36) reported lower levels of N-acetylaspartate in the anterior cingulate region in maltreated children with P ...
Contributions of cortical feedback to sensory processing in primary
... exclude the effects of anticipation (as well as attention and expectation), it was shown that the effects of dopaminergic reward on V1 can decrease its activity (Arsenault et al., 2013). Further experiments will elucidate if this decrease equates to a sharpened representation of rewarding stimuli, a ...
... exclude the effects of anticipation (as well as attention and expectation), it was shown that the effects of dopaminergic reward on V1 can decrease its activity (Arsenault et al., 2013). Further experiments will elucidate if this decrease equates to a sharpened representation of rewarding stimuli, a ...
Effects of yoga on the autonomic nervous system
... ‘yoga’ is used to encompass ancient and modern mind–body techniques, including all forms of yoga and other traditions that incorporate postures, meditation, chanting or breathing techniques. Anatomy of the autonomic nervous system The ANS is comprised of the SNS and the PNS. The main peripheral path ...
... ‘yoga’ is used to encompass ancient and modern mind–body techniques, including all forms of yoga and other traditions that incorporate postures, meditation, chanting or breathing techniques. Anatomy of the autonomic nervous system The ANS is comprised of the SNS and the PNS. The main peripheral path ...
Heterogeneous Integration of Bilateral Whisker Signals by Neurons
... of the S1 barrel cortex as an encoder for exclusively contralateral whisker activity will need to be refined or replaced. Previous behavioral experiments in our laboratory have demonstrated that rats can integrate whisker signals from both sides of the face in a tactile discrimination task (Krupa et ...
... of the S1 barrel cortex as an encoder for exclusively contralateral whisker activity will need to be refined or replaced. Previous behavioral experiments in our laboratory have demonstrated that rats can integrate whisker signals from both sides of the face in a tactile discrimination task (Krupa et ...
Vagal Input to Lateral Area 3a in Cat Cortex
... Seven cats of either sex weighing 2.4 – 4.5 kg were used; three were anesthetized with chloralose and four with alphaxolone/alphadolone (Saffan, Glaxo). Chloralose anesthesia (60 mg/kg iv) was preceded by ketamine (50 mg im) and supplemented with intravenous pentobarbital sodium as necessary. Animal ...
... Seven cats of either sex weighing 2.4 – 4.5 kg were used; three were anesthetized with chloralose and four with alphaxolone/alphadolone (Saffan, Glaxo). Chloralose anesthesia (60 mg/kg iv) was preceded by ketamine (50 mg im) and supplemented with intravenous pentobarbital sodium as necessary. Animal ...