Color responses of the human lateral geniculate nucleus: selective
... background (i.e. cone contrast). Stimulus chromaticity is given by the vector direction and contrast by vector length within the cone contrast space. Three cardinal stimuli (RG, BY and Ach) were determined within this space to isolate each of the three different post-receptoral mechanisms, respectiv ...
... background (i.e. cone contrast). Stimulus chromaticity is given by the vector direction and contrast by vector length within the cone contrast space. Three cardinal stimuli (RG, BY and Ach) were determined within this space to isolate each of the three different post-receptoral mechanisms, respectiv ...
Interactions between frontal cortex and basal ganglia in working
... Miyake & Shah, 1999). Furthermore, the active nature of working memory provides a natural mechanism for cognitive control (also known as task-based attention), where top-down activation can influence processing elsewhere to achieve task-relevant objectives (Cohen, Dunbar, & McClelland, 1990; Cohen & ...
... Miyake & Shah, 1999). Furthermore, the active nature of working memory provides a natural mechanism for cognitive control (also known as task-based attention), where top-down activation can influence processing elsewhere to achieve task-relevant objectives (Cohen, Dunbar, & McClelland, 1990; Cohen & ...
Warm pleasant feelings in the brain
... primary, that is unlearned, reinforcers, and investigation of the neural mechanisms that are related to these stimuli and the feelings they arouse may provide a direct approach to understanding the brain mechanisms of emotion and indeed of decision-making (Cabanac, 2002; Rolls, 1999, 2005, 2008b). T ...
... primary, that is unlearned, reinforcers, and investigation of the neural mechanisms that are related to these stimuli and the feelings they arouse may provide a direct approach to understanding the brain mechanisms of emotion and indeed of decision-making (Cabanac, 2002; Rolls, 1999, 2005, 2008b). T ...
Selective amplification of the S
... background (i.e. cone contrast). Stimulus chromaticity is given by the vector direction and contrast by vector length within the cone contrast space. Three cardinal stimuli (RG, BY and Ach) were determined within this space to isolate each of the three different post-receptoral mechanisms, respectiv ...
... background (i.e. cone contrast). Stimulus chromaticity is given by the vector direction and contrast by vector length within the cone contrast space. Three cardinal stimuli (RG, BY and Ach) were determined within this space to isolate each of the three different post-receptoral mechanisms, respectiv ...
Revealing Past Memories: Proactive Interference
... in cognition and synaptic plasticity (Morris et al., 1986; Bannerman et al., 2006; Robbins and Murphy, 2006). NMDARs are distributed broadly in the brain and densely within the hippocampus and neocortex (Sakurai et al., 1993; Monaghan et al., 1998). This distribution may underlie the preferential im ...
... in cognition and synaptic plasticity (Morris et al., 1986; Bannerman et al., 2006; Robbins and Murphy, 2006). NMDARs are distributed broadly in the brain and densely within the hippocampus and neocortex (Sakurai et al., 1993; Monaghan et al., 1998). This distribution may underlie the preferential im ...
Auditory working memory: contributions of lateral prefrontal cortex
... of research has found the neurotransmitter acetylcholine (ACh) to be involved. This dissertation used auditory cues and found similar patterns of activity for processing auditory working memory information within a task compared to visual working memory processes. The first two experimental chapters ...
... of research has found the neurotransmitter acetylcholine (ACh) to be involved. This dissertation used auditory cues and found similar patterns of activity for processing auditory working memory information within a task compared to visual working memory processes. The first two experimental chapters ...
Cerebellar Affective Syndrome Expanding Our Thinking About the
... and in those with subacute onset pancerebellar disorder The vermis was consistently involved in patients with pronounced affective presentations Less pronounced in more slowly progressive degenerationative conditons and those 3-4 mo post CVA or with small SCA lesions. ...
... and in those with subacute onset pancerebellar disorder The vermis was consistently involved in patients with pronounced affective presentations Less pronounced in more slowly progressive degenerationative conditons and those 3-4 mo post CVA or with small SCA lesions. ...
Alterations to multisensory and unisensory integration by stimulus
... All procedures were compliant with the Guide for the Care and Use of Laboratory Animals (National Institutes of Health Publication 86 –23) and approved by the Animal Care and Use Committee of Wake Forest University School of Medicine and the Association for Assessment and Accreditation of Laboratory ...
... All procedures were compliant with the Guide for the Care and Use of Laboratory Animals (National Institutes of Health Publication 86 –23) and approved by the Animal Care and Use Committee of Wake Forest University School of Medicine and the Association for Assessment and Accreditation of Laboratory ...
Multiple routes to memory: Distinct medial
... and generation of an associated spatial mental image. As discussed below, this prediction was confirmed. By contrast, the Read condition failed to yield above-baseline MTL activation; this may reflect the limited associative demands of the read task or the presence of phonological encoding computati ...
... and generation of an associated spatial mental image. As discussed below, this prediction was confirmed. By contrast, the Read condition failed to yield above-baseline MTL activation; this may reflect the limited associative demands of the read task or the presence of phonological encoding computati ...
Attention induces synchronization-based response gain in steady
... rates and behavioral performance, the evidence to date has been mixed as to whether voluntary visual attention primarily affects neural activity based on contrast1,3–6,10,11, response5,7–9 or activity7 gain. The three hypotheses have not previously been examined at the level of the neural population ...
... rates and behavioral performance, the evidence to date has been mixed as to whether voluntary visual attention primarily affects neural activity based on contrast1,3–6,10,11, response5,7–9 or activity7 gain. The three hypotheses have not previously been examined at the level of the neural population ...
1 - Projeto Andar de Novo
... PIF/DCD (proteolisys-inducing factor/dermcidin) is a protein expressed in several human tissues including the brain. It is overexpressed in pathological conditions as in breast carcinomas and, the in vitro studies revealed that PIF/DCD ...
... PIF/DCD (proteolisys-inducing factor/dermcidin) is a protein expressed in several human tissues including the brain. It is overexpressed in pathological conditions as in breast carcinomas and, the in vitro studies revealed that PIF/DCD ...
Cholinergic modulation of cognitive processing: insights drawn from computational models Kishan Gupta
... post-synaptic sites (and is functionally related to the M3 and M5 receptors). The M1 receptor mediates post-synaptic effects of the activation of muscarinic receptors, including depolarization and suppression of spike-frequency accommodation (Dasari and Gulledge, 2011). M2 receptors are located at b ...
... post-synaptic sites (and is functionally related to the M3 and M5 receptors). The M1 receptor mediates post-synaptic effects of the activation of muscarinic receptors, including depolarization and suppression of spike-frequency accommodation (Dasari and Gulledge, 2011). M2 receptors are located at b ...
The limbic system
... behavior. Chemosensory efferents from the main and accessory olfactory systems project to the medial amygdala (MeA). MeA sends direct and indirect innervations (through the bed nucleus of the stria terminalis) to the medial preoptic area (MPOA). MPOA and MeA receive genitosensory input from the spin ...
... behavior. Chemosensory efferents from the main and accessory olfactory systems project to the medial amygdala (MeA). MeA sends direct and indirect innervations (through the bed nucleus of the stria terminalis) to the medial preoptic area (MPOA). MPOA and MeA receive genitosensory input from the spin ...
Neurobiology of Learning and Memory
... processing style of one of the neural systems. The main evidence leading to the present MPMS theory is the finding that acquisition of each task was impaired by disabling a different neural system, a triple dissociation. Coherence. The concept of parallel processing (Fig. 1) implies that information ...
... processing style of one of the neural systems. The main evidence leading to the present MPMS theory is the finding that acquisition of each task was impaired by disabling a different neural system, a triple dissociation. Coherence. The concept of parallel processing (Fig. 1) implies that information ...
Direct comparison of the neural substrates of
... such as the Montreal method (Worsley et al., 1992; Arndt et al., 1995). It is also of interest to study the regions common to word and face recognition memory, because they may be considered to be a general recognition memory pathway. These regions can be identified by a visual comparison between th ...
... such as the Montreal method (Worsley et al., 1992; Arndt et al., 1995). It is also of interest to study the regions common to word and face recognition memory, because they may be considered to be a general recognition memory pathway. These regions can be identified by a visual comparison between th ...
Bio Chap 15 - mlfarrispsych
... – Damage to frontal-temporal areas that impairs episodic memory can produce a detachment from the self. – People with damage to the ACC and the insula may treat their mirror image as a companion, intruder, or stalker. – The insula and inferior parietal cortex appear to distinguish between self as ag ...
... – Damage to frontal-temporal areas that impairs episodic memory can produce a detachment from the self. – People with damage to the ACC and the insula may treat their mirror image as a companion, intruder, or stalker. – The insula and inferior parietal cortex appear to distinguish between self as ag ...
Interactions between attention, context and learning in primary
... Attention in early visual processing engages the higher order, context dependent properties of neurons. Even at the earliest stages of visual cortical processing neurons play a role in intermediate level vision — contour integration and surface segmentation. The contextual influences mediating this ...
... Attention in early visual processing engages the higher order, context dependent properties of neurons. Even at the earliest stages of visual cortical processing neurons play a role in intermediate level vision — contour integration and surface segmentation. The contextual influences mediating this ...
Experience-Dependent Sharpening of Visual Shape Selectivity in
... orientation, the strength and sharpness of neuronal selectivity decreased as stimuli were rotated away from the trained orientation. This decrease in selectivity correlated with a deterioration of behavioral performance for rotated stimuli (observed during separate behavioral testing), suggesting a ...
... orientation, the strength and sharpness of neuronal selectivity decreased as stimuli were rotated away from the trained orientation. This decrease in selectivity correlated with a deterioration of behavioral performance for rotated stimuli (observed during separate behavioral testing), suggesting a ...
Functional Clustering Drives Encoding Improvement in a
... The vertebrate brain exhibits intricate functional organization at many different spatial scales, from cortical microcolumns dedicated to processing specific receptive field properties, to large domains such as somatotopic maps. It is thought that this organization of neurons according to shared fun ...
... The vertebrate brain exhibits intricate functional organization at many different spatial scales, from cortical microcolumns dedicated to processing specific receptive field properties, to large domains such as somatotopic maps. It is thought that this organization of neurons according to shared fun ...
Prefrontal Activation Deficits During Episodic Memory in
... Healthy comparison subjects—Nine studies reported retrieval results for healthy subjects, resulting in 108 foci. Table S4 in the online supplement lists the 11 distinct brain regions activated. These included the left and right frontal gyri (BA 6, 9, 46), the right middle (BA 46) and medial frontal ...
... Healthy comparison subjects—Nine studies reported retrieval results for healthy subjects, resulting in 108 foci. Table S4 in the online supplement lists the 11 distinct brain regions activated. These included the left and right frontal gyri (BA 6, 9, 46), the right middle (BA 46) and medial frontal ...
NUCLEUS ACCUMBENS NEURONAL ACTIVITY DURING A
... made after FOC, are unable to use the motivational value of a CS to acquire and express new responses in SOC (McDannald, Setlow, & Holland, 2013). Further, disconnection lesions of the basolateral amygdala (BLA), a major limbic input to the NAc, also impair cue-oriented responses (Chang et al., 2012 ...
... made after FOC, are unable to use the motivational value of a CS to acquire and express new responses in SOC (McDannald, Setlow, & Holland, 2013). Further, disconnection lesions of the basolateral amygdala (BLA), a major limbic input to the NAc, also impair cue-oriented responses (Chang et al., 2012 ...
Limitations of Neural Map Topography for Decoding Spatial
... movements using custom-written MATLAB software. Trials that showed a drift in the z-plane were discarded. Single trial data stacks were first aligned with a reference frame within the movie using MATLAB customwritten code based on a rigid image registration algorithm. To align stacks between trials, ...
... movements using custom-written MATLAB software. Trials that showed a drift in the z-plane were discarded. Single trial data stacks were first aligned with a reference frame within the movie using MATLAB customwritten code based on a rigid image registration algorithm. To align stacks between trials, ...
Why do Breakups "Hurt?" - Wyoming Scholars Repository
... sociological, there are still physiologic events that occur when experiencing emotions. Along with the specific brain areas regulating emotions, there are three variables that also contribute to the way emotions affect behavior or are expressed. Stimulus properties, individual characteristics, and t ...
... sociological, there are still physiologic events that occur when experiencing emotions. Along with the specific brain areas regulating emotions, there are three variables that also contribute to the way emotions affect behavior or are expressed. Stimulus properties, individual characteristics, and t ...
Full-Text PDF
... implicit level and another on an explicit level [28–32]. Whereas the cerebellum has been associated with information processing on an implicit level in other functional domains [33–35], it has been described as being involved in the implicit and explicit components of the emotional domain [36,37]. I ...
... implicit level and another on an explicit level [28–32]. Whereas the cerebellum has been associated with information processing on an implicit level in other functional domains [33–35], it has been described as being involved in the implicit and explicit components of the emotional domain [36,37]. I ...