Deshpande_Gopikrishna_200708_phd
... Next, we expand the scope of functional connectivity to include directional interactions in the brain, which is termed effective connectivity. We investigate both linear and nonlinear Granger models of effective connectivity. First, we demonstrate the utility of an integrated approach involving mul ...
... Next, we expand the scope of functional connectivity to include directional interactions in the brain, which is termed effective connectivity. We investigate both linear and nonlinear Granger models of effective connectivity. First, we demonstrate the utility of an integrated approach involving mul ...
Electrical Interactions via the Extracellular Potential Near Cell Bodies
... in crushed nerves or in nerves damaged by multiple sclerosis (see Faber and Korn, 1989; Jefferys, 1995). There have been only two demonstrations of electrical ephaptic effects in normal operations: between the Mauthner cell and its inhibitory afferents (Korn and Faber, 1980; Faber and Korn, 1989) an ...
... in crushed nerves or in nerves damaged by multiple sclerosis (see Faber and Korn, 1989; Jefferys, 1995). There have been only two demonstrations of electrical ephaptic effects in normal operations: between the Mauthner cell and its inhibitory afferents (Korn and Faber, 1980; Faber and Korn, 1989) an ...
From format to function: Embodiment and the functional roles of
... far enough. It’s not merely the case that existing evidence cannot distinguish between modal and amodal representational formats. Rather, the representational debate rests on an unjustified premise—a distinction in kind between modal and amodal neural systems—and we argue that no type of neural evid ...
... far enough. It’s not merely the case that existing evidence cannot distinguish between modal and amodal representational formats. Rather, the representational debate rests on an unjustified premise—a distinction in kind between modal and amodal neural systems—and we argue that no type of neural evid ...
Neurotransmitter Function
... Dendrites receive incoming information from other neurons Makes up most of the surface area of the neuron Dendritic spines can number in the thousands ...
... Dendrites receive incoming information from other neurons Makes up most of the surface area of the neuron Dendritic spines can number in the thousands ...
Central Nervous System
... If enough neurotransmitter is released, graded potential will be generated Eventually an action potential (nerve impulse) will occur in the neuron beyond the synapse ...
... If enough neurotransmitter is released, graded potential will be generated Eventually an action potential (nerve impulse) will occur in the neuron beyond the synapse ...
Chapter 12 PowerPoint - Hillsborough Community College
... • Muscle strength or ability to perform discrete individual movements is not impaired; only control over movements is lost – Example: damage to premotor area controlling movement of fingers would still allow fingers to move, but voluntary control needed to type would be lost ...
... • Muscle strength or ability to perform discrete individual movements is not impaired; only control over movements is lost – Example: damage to premotor area controlling movement of fingers would still allow fingers to move, but voluntary control needed to type would be lost ...
Insular cortex – review
... the human taste cortex11 which shows us an evolutionary aspect of eliciting responses in the taste cortex by substances important for modifying behavior and survival. As mentioned earlier, the primary gustatory cortex doesn’t just respond to basic stimuli which accompanies our experience of ingestin ...
... the human taste cortex11 which shows us an evolutionary aspect of eliciting responses in the taste cortex by substances important for modifying behavior and survival. As mentioned earlier, the primary gustatory cortex doesn’t just respond to basic stimuli which accompanies our experience of ingestin ...
Developmental Changes Revealed by Immunohistochemical
... of all mammals, can be subdivided into several embryonic zones. Initially, the neuroepithelium is a single layer, which develops into a trilayered structure consisting of a ventricular zone, a preplate and a marginal zone. The first appearance of the cortical plate occurs at -10 weeks gestational ag ...
... of all mammals, can be subdivided into several embryonic zones. Initially, the neuroepithelium is a single layer, which develops into a trilayered structure consisting of a ventricular zone, a preplate and a marginal zone. The first appearance of the cortical plate occurs at -10 weeks gestational ag ...
Target neuron prespecification in the olfactory map of Drosophila
... letters to nature antennal lobe send dendrites into glomeruli and axons to higher brain centres4, thereby transferring this odour map further into the brain. Here we use the MARCM method5 to perform a systematic clonal analysis of projection neurons, allowing us to correlate lineage and birth time ...
... letters to nature antennal lobe send dendrites into glomeruli and axons to higher brain centres4, thereby transferring this odour map further into the brain. Here we use the MARCM method5 to perform a systematic clonal analysis of projection neurons, allowing us to correlate lineage and birth time ...
Purves ch. 8 + Kandel ch. 23 - Weizmann Institute of Science
... the human hand. These corpuscles are particularly efficient in transducing information about the relatively low-frequency vibrations (30–50 Hz) that occur when textured objects are moved across the skin. Pacinian corpuscles are large encapsulated endings located in the subcutaneous tissue (and more ...
... the human hand. These corpuscles are particularly efficient in transducing information about the relatively low-frequency vibrations (30–50 Hz) that occur when textured objects are moved across the skin. Pacinian corpuscles are large encapsulated endings located in the subcutaneous tissue (and more ...
Dopamine and adaptive memory - Shohamy Lab
... and expectation of events that are of motivational significance, and for sending these signals to a selective set of target regions to coordinate motivation to learn about, and ultimately obtain, goals. Thus, dopaminergic signals provide a potential mechanism for making the contents of memory motiva ...
... and expectation of events that are of motivational significance, and for sending these signals to a selective set of target regions to coordinate motivation to learn about, and ultimately obtain, goals. Thus, dopaminergic signals provide a potential mechanism for making the contents of memory motiva ...
Directionally Selective Complex Cells and the Computation of
... was 0.4. Responses were sampled in 16 periodic increments in time, t, beginning with the time of stimulus Cortical 1-bar tests presentation, and also 16 samples in one-dimensional To study DS we began by reducing the stepwise (1D) space. The number of samples plotted was chosen movement sequence to ...
... was 0.4. Responses were sampled in 16 periodic increments in time, t, beginning with the time of stimulus Cortical 1-bar tests presentation, and also 16 samples in one-dimensional To study DS we began by reducing the stepwise (1D) space. The number of samples plotted was chosen movement sequence to ...
Sports concussion management in the South African environment
... and physiological brain changes rather than gross structural abnormality, has remained intact since the first international conference on concussion in sport in Vienna, 2001. Indeed it is this broad descriptive terminology that dictates a multifaceted and serial clinical approach to the concussed at ...
... and physiological brain changes rather than gross structural abnormality, has remained intact since the first international conference on concussion in sport in Vienna, 2001. Indeed it is this broad descriptive terminology that dictates a multifaceted and serial clinical approach to the concussed at ...
Intracellular study of rat substantia nigra pars reticulata neurons in
... followed by a long-duration depolarization The IPSP was markedly suppressed by apphcatlon of blcucuihne methlodide and the polarity was reversed by lntracellular rejection of CI-. In the preparations obtained from internal capsule-transected rats, STH-mduced EPSPs had much longer duranons than those ...
... followed by a long-duration depolarization The IPSP was markedly suppressed by apphcatlon of blcucuihne methlodide and the polarity was reversed by lntracellular rejection of CI-. In the preparations obtained from internal capsule-transected rats, STH-mduced EPSPs had much longer duranons than those ...
characterisation of dopamine neurons of the murine ventral
... neurons originating from this region project and receive input from various other brain regions and through several neurotransmitter systems. The attention was concentrated on the excitatory modulation suggested to regulate important functions of synaptic plasticity, which have been associated with ...
... neurons originating from this region project and receive input from various other brain regions and through several neurotransmitter systems. The attention was concentrated on the excitatory modulation suggested to regulate important functions of synaptic plasticity, which have been associated with ...
Synapse formation in developing neural circuits.
... While physiologists and neuropharmacologists were functionally defining the concept of synapses, neuroanatomists tangled in a bitter debate on their existence. The main reason for this debate was that during the nineteenth century and earlier part of the twentieth century, nobody could visualize cel ...
... While physiologists and neuropharmacologists were functionally defining the concept of synapses, neuroanatomists tangled in a bitter debate on their existence. The main reason for this debate was that during the nineteenth century and earlier part of the twentieth century, nobody could visualize cel ...
Principles and techniques of digital holographic microscopy
... reference wave, thus eliminating the problem of the zero-order and twin images of the Gabor’s on-axis configuration. Soon many new techniques and applications of holography began to develop. Holography is now a mature field, and an excellent survey is given, for example, in Ref. 8. It was also reali ...
... reference wave, thus eliminating the problem of the zero-order and twin images of the Gabor’s on-axis configuration. Soon many new techniques and applications of holography began to develop. Holography is now a mature field, and an excellent survey is given, for example, in Ref. 8. It was also reali ...
Presumed Apoptosis and Reduced Arcuate Nucleus
... anti-digoxigenin antibody conjugated to peroxidase. The complex was then visualized using diaminobenzidine reaction, and positive cells were counted by an observer who was unaware of the experimental group of the animal. Four control and 6 insulin-treated brains were examined throughout the entire n ...
... anti-digoxigenin antibody conjugated to peroxidase. The complex was then visualized using diaminobenzidine reaction, and positive cells were counted by an observer who was unaware of the experimental group of the animal. Four control and 6 insulin-treated brains were examined throughout the entire n ...
Prevalent Presence of Periodic Actin-spectrin-based
... relatively small soma size. We also used general neuronal markers MAP2 and NeuN to exclude glial cells from our analysis. All neuronal subtypes were cultured for at least 10 days in vitro until a distinctly long axon had projected from the soma to ensure sufficient axon specification. The neurons we ...
... relatively small soma size. We also used general neuronal markers MAP2 and NeuN to exclude glial cells from our analysis. All neuronal subtypes were cultured for at least 10 days in vitro until a distinctly long axon had projected from the soma to ensure sufficient axon specification. The neurons we ...
The Impact of Prior Experience With Cross-Modal
... accurately (Stein, Meredith, Huneycutt, & McDade, 1989), simultaneous presentation of light and sound from different spatial locations can depress activity in neurons responsive to multiple sensory inputs (Binns, Turner, & Salt, 1999), which may attenuate behavior. The neurons responsible for MI are ...
... accurately (Stein, Meredith, Huneycutt, & McDade, 1989), simultaneous presentation of light and sound from different spatial locations can depress activity in neurons responsive to multiple sensory inputs (Binns, Turner, & Salt, 1999), which may attenuate behavior. The neurons responsible for MI are ...
Decisions and the Evolution of Memory: Multiple Systems, Multiple
... for the patterns in these observations. This distinction allows us to investigate hypotheses about the properties of these computational entities without misleading readers into thinking that we are referring to the observed phenomena instead. After all, a claim about a design feature of one search ...
... for the patterns in these observations. This distinction allows us to investigate hypotheses about the properties of these computational entities without misleading readers into thinking that we are referring to the observed phenomena instead. After all, a claim about a design feature of one search ...
The mirror neuron system and the consequences of its dysfunction
... made by humans and monkeys, and their discharge is also similar if the experimenter grasping a piece of food gives it to the monkey being recorded or to a second monkey3. An interesting class of mirror neurons is the one that codes observed actions which are preparatory or logically related to the e ...
... made by humans and monkeys, and their discharge is also similar if the experimenter grasping a piece of food gives it to the monkey being recorded or to a second monkey3. An interesting class of mirror neurons is the one that codes observed actions which are preparatory or logically related to the e ...
Neural Correlates of Object-Associated Choice Behavior
... roles of the PRC in object recognition in rodents, although many behavioral studies have explored the impact of perturbations in the PRC (Aggleton et al., 1997; Ennaceur and Aggleton, 1997; Norman and Eacott, 2005). Prior studies examining single-unit activity in the PRC primarily used spontaneous o ...
... roles of the PRC in object recognition in rodents, although many behavioral studies have explored the impact of perturbations in the PRC (Aggleton et al., 1997; Ennaceur and Aggleton, 1997; Norman and Eacott, 2005). Prior studies examining single-unit activity in the PRC primarily used spontaneous o ...
Parallel Processing of Appetitive Short- and Long
... immediate memory nor STM; (3) g neuron output is dispensable during memory consolidation, and therefore short-term information is not transferred from g to ab neurons to form LTM. Blocking g neurons using tetanus toxin resulted in a striking phenotype, because flies completely deprived of appetitive ...
... immediate memory nor STM; (3) g neuron output is dispensable during memory consolidation, and therefore short-term information is not transferred from g to ab neurons to form LTM. Blocking g neurons using tetanus toxin resulted in a striking phenotype, because flies completely deprived of appetitive ...