When the Sun Prickles Your Nose: An EEG Study Identifying
... estimation of the solution of the inverse problem by taking into account the well-known effects of the head as a volume conductor. Conventional LORETA and modern sLORETA analyses have been frequently used in previous experiments to localize brain activations on the basis of EEG or MEG data [28; 29; ...
... estimation of the solution of the inverse problem by taking into account the well-known effects of the head as a volume conductor. Conventional LORETA and modern sLORETA analyses have been frequently used in previous experiments to localize brain activations on the basis of EEG or MEG data [28; 29; ...
Generation of Rapid Eye Movements during Paradoxical Sleep in
... prove the existence of PGO waves in humans. Nevertheless, positron emission tomography (PET) and cerebral blood flow (CBF) determination make it possible to unravel their existence indirectly through their hemodynamic consequences. In neuroanatomical terms, it follows from the hypothesis of the pres ...
... prove the existence of PGO waves in humans. Nevertheless, positron emission tomography (PET) and cerebral blood flow (CBF) determination make it possible to unravel their existence indirectly through their hemodynamic consequences. In neuroanatomical terms, it follows from the hypothesis of the pres ...
Aberrant Localization of Synchronous Hemodynamic
... areas can be assessed with fMRI by taking a seed point (voxel) from within the motor cortex and correlating the fMRI time course from this voxel to all the other fMRI time courses within the brain (typically after low-pass filtering to remove highfrequency noise) (Xiong et al 1999). Voxels from ipsi ...
... areas can be assessed with fMRI by taking a seed point (voxel) from within the motor cortex and correlating the fMRI time course from this voxel to all the other fMRI time courses within the brain (typically after low-pass filtering to remove highfrequency noise) (Xiong et al 1999). Voxels from ipsi ...
Neuropsychologia fMRI evidence for strategic decision
... semantic resources are required in order to interpret the gender attributes of a pronoun and a potential referent. For example, “she” can refer to “nun” but does not ordinarily refer to “king” (here and throughout the paper, we do not consider non-standard uses of pronouns for metaphor and other pra ...
... semantic resources are required in order to interpret the gender attributes of a pronoun and a potential referent. For example, “she” can refer to “nun” but does not ordinarily refer to “king” (here and throughout the paper, we do not consider non-standard uses of pronouns for metaphor and other pra ...
Glutamatergic activation of anterior cingulate cortex produces
... While not mutually exclusive, these hypotheses lead to clearly t-test, P < 0.05). Group comparisons revealed no significant differdifferent predictions of the effect of ACC manipulations on the ence between sham and lesion groups (Fig. 1b; Student’s t-test, acquisition and expression of avoidance le ...
... While not mutually exclusive, these hypotheses lead to clearly t-test, P < 0.05). Group comparisons revealed no significant differdifferent predictions of the effect of ACC manipulations on the ence between sham and lesion groups (Fig. 1b; Student’s t-test, acquisition and expression of avoidance le ...
Effect of Language Switching on Arithmetic: A Bilingual fMRI Study
... horizontal segment of the IPS, the posterior segment of the IPS, the fusiform gyrus, the lingual gyrus, the thalamus, the left inferior parietal lobule, the medial aspect of the superior frontal gyrus, and right insular regions (Table 2). Deactivation was observed in the bilateral AG, the medial pre ...
... horizontal segment of the IPS, the posterior segment of the IPS, the fusiform gyrus, the lingual gyrus, the thalamus, the left inferior parietal lobule, the medial aspect of the superior frontal gyrus, and right insular regions (Table 2). Deactivation was observed in the bilateral AG, the medial pre ...
The Spatiotemporal Dynamics of Autobiographical
... 2004). Addis et al. (2004) showed that the hippocampus and amygdala were modulated during retrieval by ratings of emotional intensity. However, in this study, the amygdala effects were subthreshold when considering autobiographical memories that occurred only once (as opposed to repeated events). Th ...
... 2004). Addis et al. (2004) showed that the hippocampus and amygdala were modulated during retrieval by ratings of emotional intensity. However, in this study, the amygdala effects were subthreshold when considering autobiographical memories that occurred only once (as opposed to repeated events). Th ...
Chapter 12 PowerPoint - Hillsborough Community College
... • Functional imaging (PET and MRI) of brain show specific motor and sensory functions are located in discrete cortical areas called domains – Higher functions are spread over many areas ...
... • Functional imaging (PET and MRI) of brain show specific motor and sensory functions are located in discrete cortical areas called domains – Higher functions are spread over many areas ...
Repetition and the brain: neural models of stimulus
... inferred via fMRI-adaptation, for objects presented to both monkeys and humans. Repetition effects as measured with EEG/MEG Repetition effects have also been studied by measuring changes in the electrical (EEG) or magnetic (MEG) field, usually recorded above the scalp. These effects reflect changes ...
... inferred via fMRI-adaptation, for objects presented to both monkeys and humans. Repetition effects as measured with EEG/MEG Repetition effects have also been studied by measuring changes in the electrical (EEG) or magnetic (MEG) field, usually recorded above the scalp. These effects reflect changes ...
Repetition and the brain: neural models of stimulus
... inferred via fMRI-adaptation, for objects presented to both monkeys and humans. Repetition effects as measured with EEG/MEG Repetition effects have also been studied by measuring changes in the electrical (EEG) or magnetic (MEG) field, usually recorded above the scalp. These effects reflect changes ...
... inferred via fMRI-adaptation, for objects presented to both monkeys and humans. Repetition effects as measured with EEG/MEG Repetition effects have also been studied by measuring changes in the electrical (EEG) or magnetic (MEG) field, usually recorded above the scalp. These effects reflect changes ...
Computational cognitive neuroscience: 10. Prefrontal Cortex (PFC)
... • The lateral PFC areas are interconnected with sensory and motor areas and play a role in controlling the processing in these areas. • The medial PFC areas are more strongly interconnected with subcortical brain areas associated with affective and motivational functions. • Functionally we can chara ...
... • The lateral PFC areas are interconnected with sensory and motor areas and play a role in controlling the processing in these areas. • The medial PFC areas are more strongly interconnected with subcortical brain areas associated with affective and motivational functions. • Functionally we can chara ...
Neuron
... To examine the possible contribution of the peripheral visual stimuli to the observed activity, we conducted control experiments in which visual stimulation parameters were matched to those in the original saccade task, but no saccade was performed. In both monkeys and humans, the BOLD signal increa ...
... To examine the possible contribution of the peripheral visual stimuli to the observed activity, we conducted control experiments in which visual stimulation parameters were matched to those in the original saccade task, but no saccade was performed. In both monkeys and humans, the BOLD signal increa ...
Negative BOLD in Sensory Cortices During
... Abstract People tend to close their eyes when trying to retrieve an event or a visual image from memory. However the brain mechanisms behind this phenomenon remain poorly understood. Recently, we showed that during visual mental imagery, auditory areas show a much more robust deactivation than durin ...
... Abstract People tend to close their eyes when trying to retrieve an event or a visual image from memory. However the brain mechanisms behind this phenomenon remain poorly understood. Recently, we showed that during visual mental imagery, auditory areas show a much more robust deactivation than durin ...
The Motor System of the Cortex and the Brain Stem
... Slide 13. High intensity stimulation of almost any part of the cerebral cortex produces a movement. However, the primary motor cortex produces movements with the lowest levels of stimulation. During brain surgery, the cortex may be stimulated and the resulting movements can be recorded. Stimulation ...
... Slide 13. High intensity stimulation of almost any part of the cerebral cortex produces a movement. However, the primary motor cortex produces movements with the lowest levels of stimulation. During brain surgery, the cortex may be stimulated and the resulting movements can be recorded. Stimulation ...
What light have resting state fMRI studies shed on cognition and
... refer to all forms of cognitive deficit, including the various domains and degrees of severity. We will specify the cognitive domains tested within each study when possible, but this raises the problem of small sample size used in most RS fMRI research. Even when studies include cognitive testing re ...
... refer to all forms of cognitive deficit, including the various domains and degrees of severity. We will specify the cognitive domains tested within each study when possible, but this raises the problem of small sample size used in most RS fMRI research. Even when studies include cognitive testing re ...
Eye movement control by the cerebral cortex
... the nature of the single saccade to be performed. Thus, this point illustrates how an area (i.e. the SEF) may be active using fMRI without being in fact crucial to the correct execution of a paradigm (e.g. a single memoryguided saccade), as suggested by lesion and TMS studies on the SEF [2]. The dor ...
... the nature of the single saccade to be performed. Thus, this point illustrates how an area (i.e. the SEF) may be active using fMRI without being in fact crucial to the correct execution of a paradigm (e.g. a single memoryguided saccade), as suggested by lesion and TMS studies on the SEF [2]. The dor ...
Bridging Cytoarchitectonics and Connectomics in Human Cerebral
... In parallel, studies examining connectivity at the macroscale level of brain organization have suggested that the brain’s global network structure of large-scale white matter projections may play an important role in neural processing. For example, macroscale connectome studies have suggested large ...
... In parallel, studies examining connectivity at the macroscale level of brain organization have suggested that the brain’s global network structure of large-scale white matter projections may play an important role in neural processing. For example, macroscale connectome studies have suggested large ...
CNS Slide Show
... the “gateway to the cerebral cortex” – nearly all input to the cerebrum passes by way of synapses in the thalamic nuclei, filters information on its way to cerebral cortex – plays key role in motor control by relaying signals from cerebellum to cerebrum and providing feedback loops between the cereb ...
... the “gateway to the cerebral cortex” – nearly all input to the cerebrum passes by way of synapses in the thalamic nuclei, filters information on its way to cerebral cortex – plays key role in motor control by relaying signals from cerebellum to cerebrum and providing feedback loops between the cereb ...
Short frontal lobe connections of the human brain
... The diffusion data was then processed using a spherical deconvolution approach based on the damped version of the Richardson Lucy algorithm as described in (Dell’acqua et al., 2010). The high SNR of the data allowed us to apply a relatively low regularisation threshold equal to h ¼ .02 without an ex ...
... The diffusion data was then processed using a spherical deconvolution approach based on the damped version of the Richardson Lucy algorithm as described in (Dell’acqua et al., 2010). The high SNR of the data allowed us to apply a relatively low regularisation threshold equal to h ¼ .02 without an ex ...
Pathways for emotions and memory prefrontal cortices in the rhesus monkey
... one case (case AF), consistent with the restricted projections from AM to area OPro described previously (Dermon and Barbas, 1994). In case AF, anterograde label in AM was seen at the dorsomedial part at the central and caudal extent of the nucleus (Fig. 3, top, A–D, case AF). The labeled axonal ter ...
... one case (case AF), consistent with the restricted projections from AM to area OPro described previously (Dermon and Barbas, 1994). In case AF, anterograde label in AM was seen at the dorsomedial part at the central and caudal extent of the nucleus (Fig. 3, top, A–D, case AF). The labeled axonal ter ...
BMC Neuroscience Serial pathways from primate prefrontal cortex to autonomic areas
... from the highest to the lowest levels of the neuraxis. On one hand, high-order association areas are necessary to understand the significance of an emotional situation, and on the other hand, low level structures must be activated to express the emotion through changes in the rhythm of peripheral or ...
... from the highest to the lowest levels of the neuraxis. On one hand, high-order association areas are necessary to understand the significance of an emotional situation, and on the other hand, low level structures must be activated to express the emotion through changes in the rhythm of peripheral or ...
The evolution of brains from early mammals to humans
... as in present-day marsupials, so that they could grasp maternal hair and nurse.29 As placental mammals could have long gestation periods for brain development, they thereby escaped this restriction. Overall, the comparative evidence indicates that early mammals had on the order of 15–20 cortical are ...
... as in present-day marsupials, so that they could grasp maternal hair and nurse.29 As placental mammals could have long gestation periods for brain development, they thereby escaped this restriction. Overall, the comparative evidence indicates that early mammals had on the order of 15–20 cortical are ...
Crossmodal and action-specific: neuroimaging the human mirror
... the premotor cortex – a popular interpretation was (and is) that this occurs through a simulation or direct matching mechanism, where observing someone else activates the same motor circuits as when executing that action ‘from within’, through a ‘motor resonance’ process [5,6,11]. According to this ...
... the premotor cortex – a popular interpretation was (and is) that this occurs through a simulation or direct matching mechanism, where observing someone else activates the same motor circuits as when executing that action ‘from within’, through a ‘motor resonance’ process [5,6,11]. According to this ...
Neuroanatomy Final Review Notes by Russ Beach
... I. Visual agnosias: inability to recognize an object due to lesions in visual association areas ...
... I. Visual agnosias: inability to recognize an object due to lesions in visual association areas ...
The effect of word imagery on priming effect under a preconscious
... and imagery. While brain areas related to word association have been well documented, those linked to word imagery have yet to be identified. The semantic priming effect refers to the promoting effect observed in response to a target word when it is preceded by a semantically related word, compared ...
... and imagery. While brain areas related to word association have been well documented, those linked to word imagery have yet to be identified. The semantic priming effect refers to the promoting effect observed in response to a target word when it is preceded by a semantically related word, compared ...