Ochsner
... manner (Construct 5). Here, “value” refers to whether a given stimulus is good or bad or should be approached or avoided, whereas “response” refers to the behaviors we measure as evidence that this value has been computed. Because current data do not allow us to clearly disentangle the neural correl ...
... manner (Construct 5). Here, “value” refers to whether a given stimulus is good or bad or should be approached or avoided, whereas “response” refers to the behaviors we measure as evidence that this value has been computed. Because current data do not allow us to clearly disentangle the neural correl ...
diencephalon - Loyola University Medical Education Network
... d.) Be able to identify the thalamus and its relationships to the internal capsule, basal ganglia and third ventricle 2. After attending lecture and studying the assigned material you will be able to: a.) Identify the specific (or relay) nuclei of the thalamus, source of their afferents and which on ...
... d.) Be able to identify the thalamus and its relationships to the internal capsule, basal ganglia and third ventricle 2. After attending lecture and studying the assigned material you will be able to: a.) Identify the specific (or relay) nuclei of the thalamus, source of their afferents and which on ...
Article Page 08.27.20+
... cell responses to light, helping the visual system lock-on to specific patterns of light for more efficient processing (Sillito et al., 1994). At this stage, feedback simply enhances or modulates normal visual processing. However, the role of feedback seems to be much different at later stages. Rese ...
... cell responses to light, helping the visual system lock-on to specific patterns of light for more efficient processing (Sillito et al., 1994). At this stage, feedback simply enhances or modulates normal visual processing. However, the role of feedback seems to be much different at later stages. Rese ...
The retrieval of perceptual memory details depends on right
... It is well established that the human hippocampus plays an essential role in recollection, the sense of traveling mentally back in time to relive past events (e.g., Moscovitch & McAndrews, 2002; Moscovitch et al., 2005; Nadel & Moscovitch, 1997; Piolino, Desgranges, & Eustache, 2009; Ranganath, 2010 ...
... It is well established that the human hippocampus plays an essential role in recollection, the sense of traveling mentally back in time to relive past events (e.g., Moscovitch & McAndrews, 2002; Moscovitch et al., 2005; Nadel & Moscovitch, 1997; Piolino, Desgranges, & Eustache, 2009; Ranganath, 2010 ...
Prediction error for free monetary reward in the human prefrontal
... Studies in both humans and nonhuman primates have shown that frontostriatal circuits are important for mediating the influence of reward expectation on the selection and preparation of actions. Specific dopamine-rich regions within the prefrontal cortex (Goldman-Rakic et al., 1992; Lidow et al., 199 ...
... Studies in both humans and nonhuman primates have shown that frontostriatal circuits are important for mediating the influence of reward expectation on the selection and preparation of actions. Specific dopamine-rich regions within the prefrontal cortex (Goldman-Rakic et al., 1992; Lidow et al., 199 ...
Review Historical aspects of the anatomy of the reticular formation
... aggregate of the cortical grey matter. To create this rhythm, the participation of thalamic nuclei, whose activity is sustained by sensitive and sensory stimuli, as well as stimuli of cortical origin is necessary. ...
... aggregate of the cortical grey matter. To create this rhythm, the participation of thalamic nuclei, whose activity is sustained by sensitive and sensory stimuli, as well as stimuli of cortical origin is necessary. ...
On the computational architecture of the neocortex
... hooked together in ever larger configurations and still function, with ever increasing subtlety, to both analyze sensory input and organize motor actions. Even in producing the most remarkable achievement of the brain - language - the areas of the brain involved have used the identical structure. Th ...
... hooked together in ever larger configurations and still function, with ever increasing subtlety, to both analyze sensory input and organize motor actions. Even in producing the most remarkable achievement of the brain - language - the areas of the brain involved have used the identical structure. Th ...
On the computational architecture of the neocortex
... hooked together in ever larger configurations and still function, with ever increasing subtlety, to both analyze sensory input and organize motor actions. Even in producing the most remarkable achievement of the brain - language - the areas of the brain involved have used the identical structure. Th ...
... hooked together in ever larger configurations and still function, with ever increasing subtlety, to both analyze sensory input and organize motor actions. Even in producing the most remarkable achievement of the brain - language - the areas of the brain involved have used the identical structure. Th ...
The Basal Ganglia Anatomy, Physiology, etc. Overview
... below the neck is largely represented in GPi, and the head and eyes are largely represented in SNpr ...
... below the neck is largely represented in GPi, and the head and eyes are largely represented in SNpr ...
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... Theories of temporal coding by cortical neurons are supported by observations that individual neurons can respond to sensory stimulation with millisecond precision and that activity in large populations is often highly correlated. Synchronization is highest between neurons with overlapping receptive ...
... Theories of temporal coding by cortical neurons are supported by observations that individual neurons can respond to sensory stimulation with millisecond precision and that activity in large populations is often highly correlated. Synchronization is highest between neurons with overlapping receptive ...
Spontaneous and Stimulus-Evoked Intrinsic Optical Signals in
... cortical surface was illuminated with narrowband light, generated by band-pass filtering (band centers, 540, 630, or 690 ⫾ 10 nm; interference filters from Edmund Scientific, Barrington, NJ) the output of a tungsten light source, and conveyed by two fiber-optic light guides. Video images of the illu ...
... cortical surface was illuminated with narrowband light, generated by band-pass filtering (band centers, 540, 630, or 690 ⫾ 10 nm; interference filters from Edmund Scientific, Barrington, NJ) the output of a tungsten light source, and conveyed by two fiber-optic light guides. Video images of the illu ...
Spontaneous and Stimulus-Evoked Intrinsic Optical Signals in
... cortical surface was illuminated with narrowband light, generated by band-pass filtering (band centers, 540, 630, or 690 ⫾ 10 nm; interference filters from Edmund Scientific, Barrington, NJ) the output of a tungsten light source, and conveyed by two fiber-optic light guides. Video images of the illu ...
... cortical surface was illuminated with narrowband light, generated by band-pass filtering (band centers, 540, 630, or 690 ⫾ 10 nm; interference filters from Edmund Scientific, Barrington, NJ) the output of a tungsten light source, and conveyed by two fiber-optic light guides. Video images of the illu ...
Mapping Pavlovian Conditioning Effects on the Brain: Blocking
... three types of theories emphasize either CS, US or CR behavioral mechanisms, their implications can be considered in light of functional neural data. For example, differences in neural modification of CS pathways by excitor and blocked CSs would provide support for CS inattention interpretations of ...
... three types of theories emphasize either CS, US or CR behavioral mechanisms, their implications can be considered in light of functional neural data. For example, differences in neural modification of CS pathways by excitor and blocked CSs would provide support for CS inattention interpretations of ...
the-senses-of-smell-and-taste
... • The cochlea is a bony tube that contains fluids as well as neurons that move in response to the vibrations of the fluids. • The movement generates neural impulses that are transmitted to the brain via the auditory nerve. • Within the brain, auditory input is projected onto the hearing areas of the ...
... • The cochlea is a bony tube that contains fluids as well as neurons that move in response to the vibrations of the fluids. • The movement generates neural impulses that are transmitted to the brain via the auditory nerve. • Within the brain, auditory input is projected onto the hearing areas of the ...
Brain regions involved in heading estimation and steering control in
... The brain regions required for judging heading direction and actively steering towards a goal could be damaged by stroke. Identifying the neural correlates responsible for goal-directed locomotion is important for the understanding of the mechanism underlying neuroplasticity and functional recovery. ...
... The brain regions required for judging heading direction and actively steering towards a goal could be damaged by stroke. Identifying the neural correlates responsible for goal-directed locomotion is important for the understanding of the mechanism underlying neuroplasticity and functional recovery. ...
Segmentation in the perception and memory of events
... observed at those points in time corresponding to event boundaries – whether or not you are attending to event segmentation. In one study [18], participants passively viewed short movies of everyday activities while their brain activity was recorded with fMRI. During the initial viewing and fMRI dat ...
... observed at those points in time corresponding to event boundaries – whether or not you are attending to event segmentation. In one study [18], participants passively viewed short movies of everyday activities while their brain activity was recorded with fMRI. During the initial viewing and fMRI dat ...
50 Emotional States and Feelings
... physiological changes have subsided. Were physiological feedback the only controlling factor, the emotions should not outlast the physiological change. Yet a person can sustain a feeling of fear long after a threat has abated. Conversely, some feelings arise faster than the changes in bodily state n ...
... physiological changes have subsided. Were physiological feedback the only controlling factor, the emotions should not outlast the physiological change. Yet a person can sustain a feeling of fear long after a threat has abated. Conversely, some feelings arise faster than the changes in bodily state n ...
Imagery and Perception Share Cortical
... a position either 6 left or right of fixation (Fig. 1B,C) in pseudorandom order. In the imagery condition, participants received auditory cues that indicated the location at which to imagine an object (left or right of fixation) and which of the objects to imagine (Fig. 1B,C). Participants had 4 s to ...
... a position either 6 left or right of fixation (Fig. 1B,C) in pseudorandom order. In the imagery condition, participants received auditory cues that indicated the location at which to imagine an object (left or right of fixation) and which of the objects to imagine (Fig. 1B,C). Participants had 4 s to ...
The effect of selective attention on auditory frequency
... was to explore these underlying short-term neural mechanisms that can sharpen the frequency selectivity at AC under selective attention. The topic was investigated by a psychophysical experiment where parametric changes in attention and background noise were used to bias the cortical responses. In t ...
... was to explore these underlying short-term neural mechanisms that can sharpen the frequency selectivity at AC under selective attention. The topic was investigated by a psychophysical experiment where parametric changes in attention and background noise were used to bias the cortical responses. In t ...
Current advances and pressing problems in studies of stopping
... frontal eye field (FEF) and superior colliculus (SC) of macaque monkeys performing an eye movement stopping task [23–25]. Two criteria must be met for neurons to participate in controlling movement initiation. First, neurons must discharge differently when movements are initiated or withheld; if neu ...
... frontal eye field (FEF) and superior colliculus (SC) of macaque monkeys performing an eye movement stopping task [23–25]. Two criteria must be met for neurons to participate in controlling movement initiation. First, neurons must discharge differently when movements are initiated or withheld; if neu ...
Congenital blindness affects diencephalic but not mesencephalic
... (left: p = 4 9 10-6, right: p \ 1 9 10-6), consistent with findings from animal studies. In addition, associated thalamic nuclei that project to temporal (left: p = 0.005, right: p = 0.005), prefrontal (left: p = 0.010, right: p = 0.014), occipital (left: p = 0.005, right: p = 0.023), and right prem ...
... (left: p = 4 9 10-6, right: p \ 1 9 10-6), consistent with findings from animal studies. In addition, associated thalamic nuclei that project to temporal (left: p = 0.005, right: p = 0.005), prefrontal (left: p = 0.010, right: p = 0.014), occipital (left: p = 0.005, right: p = 0.023), and right prem ...
The Basal Ganglia and Chunking of Action Repertoires
... striatum (via its pallidal and nigral targets) are oriented mainly toward motor and cognitive action systems of the frontal cortex and toward brainstem premotor regions such as the superior colliculus. By contrast, much of the outflow from the hippocampal formation and medial temporal cortex leads t ...
... striatum (via its pallidal and nigral targets) are oriented mainly toward motor and cognitive action systems of the frontal cortex and toward brainstem premotor regions such as the superior colliculus. By contrast, much of the outflow from the hippocampal formation and medial temporal cortex leads t ...
The construction system of the brain References Rapid response
... the findings from our imagination study (Hassabis et al. 2007b), we suggest that the hippocampus may have two distinct functions in episodic memory recall. Furthermore, we propose that such a dual role may help to resolve the long-standing debate about the time scale of hippocampal involvement in ep ...
... the findings from our imagination study (Hassabis et al. 2007b), we suggest that the hippocampus may have two distinct functions in episodic memory recall. Furthermore, we propose that such a dual role may help to resolve the long-standing debate about the time scale of hippocampal involvement in ep ...
Is perception informationally encapsulated? The issue of the theory-ladenness of perception
... be. The reason is that these theories require that the perceptual analysis have access to background knowledge, and not just to the theory that is inherent in the system. But this is not true in view of the various implasticities of perception (as the Muller-Lyer illusion), which show that how thing ...
... be. The reason is that these theories require that the perceptual analysis have access to background knowledge, and not just to the theory that is inherent in the system. But this is not true in view of the various implasticities of perception (as the Muller-Lyer illusion), which show that how thing ...
Structural and Functional Organizing Principles of Language
... organization hypothesis has been also linked historically to the claim that aspects of the human mind are innately specified (Fodor 1983, reviewed in Twyman & Newcombe 2010). The integration of modular organization in certain biological areas such as development has high explanatory value. However, ...
... organization hypothesis has been also linked historically to the claim that aspects of the human mind are innately specified (Fodor 1983, reviewed in Twyman & Newcombe 2010). The integration of modular organization in certain biological areas such as development has high explanatory value. However, ...