Properties and Functional Role of Voltage
... positive pressure (30 – 60 millibar). This process helped in cleaning off glial cells that often wrap Purkinje cell dendrites. Purkinje cells were easily identified on the basis of their large size and distinctive morphology. Purkinje cells in the vermis were used for these experiments. Distance of ...
... positive pressure (30 – 60 millibar). This process helped in cleaning off glial cells that often wrap Purkinje cell dendrites. Purkinje cells were easily identified on the basis of their large size and distinctive morphology. Purkinje cells in the vermis were used for these experiments. Distance of ...
Synaptic inhibition is caused by:
... Which of the following is not true regarding a group of end bulbs which affect one post-synaptic site of another neuron: a. each causes a potential of 1mV b. they will be from endings of more than one axon c. only EPSP or IPSP types will be present d. both spatial and temporal methods will be utiliz ...
... Which of the following is not true regarding a group of end bulbs which affect one post-synaptic site of another neuron: a. each causes a potential of 1mV b. they will be from endings of more than one axon c. only EPSP or IPSP types will be present d. both spatial and temporal methods will be utiliz ...
Goldstein - Chapter 9
... Caption: Perception are located at both lower and higher visual centers and imagery are located mainly at higher levels (Behrmann et al., 1994). The general locations of damage for C.K. and R.M. are indicated by the vertical arrows. These locations can explain why R.M. has trouble creating images bu ...
... Caption: Perception are located at both lower and higher visual centers and imagery are located mainly at higher levels (Behrmann et al., 1994). The general locations of damage for C.K. and R.M. are indicated by the vertical arrows. These locations can explain why R.M. has trouble creating images bu ...
The Neural Architecture Underlying Habit Learning: An Evolving
... testing several methods began to stain the experimental brains. I was astonished. I could identify many patterns that I had seen in the connectivity studies. But how to look at the human brain? With some trepidation, I found my way to the Massachusetts General Hospital, where I met its wonderful die ...
... testing several methods began to stain the experimental brains. I was astonished. I could identify many patterns that I had seen in the connectivity studies. But how to look at the human brain? With some trepidation, I found my way to the Massachusetts General Hospital, where I met its wonderful die ...
The assessment of hemispheric lateralization in functional MRI
... results. Robustness was assessed by evaluating the dependence on arbitrary external parameters, reproducibility was assessed by Pearson’s correlation coefficient. LIs based on active voxels counts at one single fixed statistical threshold as well as LIs based on unthresholded signal intensity change ...
... results. Robustness was assessed by evaluating the dependence on arbitrary external parameters, reproducibility was assessed by Pearson’s correlation coefficient. LIs based on active voxels counts at one single fixed statistical threshold as well as LIs based on unthresholded signal intensity change ...
Integrated model of visual processing
... computation is impossible when it requires combining neurons with selectivities to different attributes like movement direction, depth, color, shape etc . . . . One way to achieve this combination is by exchanging information between neurons in higher order areas coding for different attributes. How ...
... computation is impossible when it requires combining neurons with selectivities to different attributes like movement direction, depth, color, shape etc . . . . One way to achieve this combination is by exchanging information between neurons in higher order areas coding for different attributes. How ...
Episodic autobiographical memories over the course of time
... Wilson & Ross, 2003). When it comes to the relationship between self and memory, Tulving’s conception emphasizes the episodic aspects of the self, defending the role of a phenomenological self in the construction and maintenance of subjective continuity in time and personal identity. The episodic co ...
... Wilson & Ross, 2003). When it comes to the relationship between self and memory, Tulving’s conception emphasizes the episodic aspects of the self, defending the role of a phenomenological self in the construction and maintenance of subjective continuity in time and personal identity. The episodic co ...
Impaired odour discrimination on desynchronization of odour
... appears, therefore, that oscillatory synchronization of neuronal assemblies is functionally relevant, and essential for fine sensory discrimination. This suggests that oscillatory synchronization and the kind of temporal encoding it affords provide an additional dimension by which the brain could se ...
... appears, therefore, that oscillatory synchronization of neuronal assemblies is functionally relevant, and essential for fine sensory discrimination. This suggests that oscillatory synchronization and the kind of temporal encoding it affords provide an additional dimension by which the brain could se ...
A neurocomputational model of the mammalian fear
... of ‘fear conditioning’ experiments, which show how animals learn that certain environmental stimuli come to predict aversive events [43]. The primary contribution of this thesis is to demonstrate a model that can replicate a wide variety of the findings from these experiments, suggesting that the sp ...
... of ‘fear conditioning’ experiments, which show how animals learn that certain environmental stimuli come to predict aversive events [43]. The primary contribution of this thesis is to demonstrate a model that can replicate a wide variety of the findings from these experiments, suggesting that the sp ...
1 Memory for pictures: Sometimes a picture is not worth a single
... saline control for three types of stimuli: photographs, abstract pictures and words. Midazolam is a benzodiazepine and an anxiolytic that causes temporary anterograde amnesia. We believe that midazolam causes this memory impairment by blocking the ability to form new bindings in memory (Park, Quinla ...
... saline control for three types of stimuli: photographs, abstract pictures and words. Midazolam is a benzodiazepine and an anxiolytic that causes temporary anterograde amnesia. We believe that midazolam causes this memory impairment by blocking the ability to form new bindings in memory (Park, Quinla ...
Radiologic-Pathologic Correlation Polymicrogyria
... arterial feeders. Large areas of dysplastic cortex occasionally engulf portions of the subarachnoid space that on MR imaging can simulate cysts within a mass. If these dysplasias are not recognized as such and biopsy is done, the pathologist might misinterpret them as ganglion cell tumors. Proton MR ...
... arterial feeders. Large areas of dysplastic cortex occasionally engulf portions of the subarachnoid space that on MR imaging can simulate cysts within a mass. If these dysplasias are not recognized as such and biopsy is done, the pathologist might misinterpret them as ganglion cell tumors. Proton MR ...
Temporal and spatial neural dynamics in the perception of basic
... sadness and happiness may involve a slower unfolding over time than that of fear or disgust (Fredrickson, 1998; Baumeister et al., 2001). Aside from its theoretical relevance, including the time element in our current understanding of emotions can also yield new discoveries about how emotions are re ...
... sadness and happiness may involve a slower unfolding over time than that of fear or disgust (Fredrickson, 1998; Baumeister et al., 2001). Aside from its theoretical relevance, including the time element in our current understanding of emotions can also yield new discoveries about how emotions are re ...
The contribution of sleep to hippocampus
... dichotomy indicate that more features need consideration: for instance, in one study declarative episodic memory benefitted from late REM-rich sleep [35], and procedural visual texture discrimination was improved also after SWS-rich early sleep [2,13]. Post-learning sleep modifications in sleep arch ...
... dichotomy indicate that more features need consideration: for instance, in one study declarative episodic memory benefitted from late REM-rich sleep [35], and procedural visual texture discrimination was improved also after SWS-rich early sleep [2,13]. Post-learning sleep modifications in sleep arch ...
Adaptive neural coding: from biological to behavioral decision
... rate functions of value while wide ranges elicit shallow ones ([40]; Figure 2b). Similar adaptive value coding has been observed in other monkey brain regions including the anterior cingulate cortex [38] and midbrain dopaminergic nuclei [41], as well as in reward-related circuits in the human brain ...
... rate functions of value while wide ranges elicit shallow ones ([40]; Figure 2b). Similar adaptive value coding has been observed in other monkey brain regions including the anterior cingulate cortex [38] and midbrain dopaminergic nuclei [41], as well as in reward-related circuits in the human brain ...
The Three Neurogenetic Phases of Human Consciousness
... the ICC allow me to discuss another illustration. I have made a demonstration involving quarks, subatomic particles, and atoms interacting and giving rise to complexity-dependent degrees of consciousness. Thus the next step would be to discuss the molecular degree of consciousness. At this level mol ...
... the ICC allow me to discuss another illustration. I have made a demonstration involving quarks, subatomic particles, and atoms interacting and giving rise to complexity-dependent degrees of consciousness. Thus the next step would be to discuss the molecular degree of consciousness. At this level mol ...
Hippocampal region - NeuronDevelopment.org
... studies by Hjorth-Simonsen (1972) showed that the perforant path is lOpographically organized so that EntL terminates in the superficial third of the lacunosum moleculare layer of CA3 and in the superficial third of the dentate molecular layer throughout both ectal and endallimbs. The EntM terminate ...
... studies by Hjorth-Simonsen (1972) showed that the perforant path is lOpographically organized so that EntL terminates in the superficial third of the lacunosum moleculare layer of CA3 and in the superficial third of the dentate molecular layer throughout both ectal and endallimbs. The EntM terminate ...
Spatial and temporal correlation between neuron neuronopathic Gaucher disease
... the CNS. The basal ganglia, the nuclei globus pallidus and the substantia nigra started showing faint Mac2 immunoreactivity from 12 days (Figs 5A and 6A), which became more intense and widespread with increased age. Microglial activation was evident in both pars compacta [substantia nigra compacta ( ...
... the CNS. The basal ganglia, the nuclei globus pallidus and the substantia nigra started showing faint Mac2 immunoreactivity from 12 days (Figs 5A and 6A), which became more intense and widespread with increased age. Microglial activation was evident in both pars compacta [substantia nigra compacta ( ...
Novel Behavioral Tasks for Studying Spatial Cognition in Rats
... neuronal substrate in various animal species including humans. It is possible to design several versions of the task presented in Nekovářová and Klement (2006) in which all the experimental parameters such as timing, behavioral response, motivation are identical except the stimuli presented on the s ...
... neuronal substrate in various animal species including humans. It is possible to design several versions of the task presented in Nekovářová and Klement (2006) in which all the experimental parameters such as timing, behavioral response, motivation are identical except the stimuli presented on the s ...
Quantified Distribution of the Noradrenaline Innervation in the
... They were then coated by dipping in Ilford K-5 nuclear emulsion diluted 1: 1 with water and developed in D- 19 after 15 d of radioautographic exposure (for technical details, see Doucet et al., 1988). Quantificationof innervationdensity.The labeled varicosities (aggregates of silver grains) were cou ...
... They were then coated by dipping in Ilford K-5 nuclear emulsion diluted 1: 1 with water and developed in D- 19 after 15 d of radioautographic exposure (for technical details, see Doucet et al., 1988). Quantificationof innervationdensity.The labeled varicosities (aggregates of silver grains) were cou ...
prenatal formation of cortical input and development of
... turn by E69 or earlier is in harmony with [“Hlthymidine evidence obtained in the same species that neurons in cortical layer 5 which give rise to the corticostriatal projection are generated some time between E45 and E63 (P. Rakic and G. Wikmark, unpublished observations). Thus, at least the earlier ...
... turn by E69 or earlier is in harmony with [“Hlthymidine evidence obtained in the same species that neurons in cortical layer 5 which give rise to the corticostriatal projection are generated some time between E45 and E63 (P. Rakic and G. Wikmark, unpublished observations). Thus, at least the earlier ...
A framework for the first-person internal sensation of visual
... lead to its firing (Palmer et al. 2014). (2) Secondly, depending on the distance that the postsynaptic potentials travel and the diameter of the dendrites, they degrade as they reach the axon hillock where action potentials are triggered (Spruston 2008). Therefore, contributions of these potentials ...
... lead to its firing (Palmer et al. 2014). (2) Secondly, depending on the distance that the postsynaptic potentials travel and the diameter of the dendrites, they degrade as they reach the axon hillock where action potentials are triggered (Spruston 2008). Therefore, contributions of these potentials ...
Introduction to Neural Networks "Energy" and attractor networks
... Why is an “energy” interpretation of neural dynamics useful? Viewing neural computation in terms of motion over an “energy landscape” provides some useful intuitions. For example, think of memories as consisting of a set of stable points in state space of the neural system--i.e. local minima in whic ...
... Why is an “energy” interpretation of neural dynamics useful? Viewing neural computation in terms of motion over an “energy landscape” provides some useful intuitions. For example, think of memories as consisting of a set of stable points in state space of the neural system--i.e. local minima in whic ...
