Search Results - "Srinivasa Chakravarthy, V."

Neurodegenerative Diseases - Is Metabolic Deficiency the Root Cause? by Muddapu, Vignayanandam Ravindernath, Dharshini, S Akila Parvathy, Chakravarthy, V Srinivasa, Gromiha, M Michael

“…Neurodegenerative diseases, including Alzheimer, Parkinson, Huntington, and amyotrophic lateral sclerosis, are a prominent class of neurological diseases…”
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Influence of energy deficiency on the subcellular processes of Substantia Nigra Pars Compacta cell for understanding Parkinsonian neurodegeneration by Muddapu, Vignayanandam Ravindernath, Chakravarthy, V. Srinivasa

“…Parkinson’s disease (PD) is the second most prominent neurodegenerative disease around the world. Although it is known that PD is caused by the loss of…”
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Modeling the development of cortical responses in primate dorsal ("where") pathway to optic flow using hierarchical neural field models by Gundavarapu, Anila, Chakravarthy, V Srinivasa

“…Although there is a plethora of modeling literature dedicated to the object recognition processes of the ventral ("what") pathway of primate visual systems,…”
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Artificial neurovascular network (ANVN) to study the accuracy vs. efficiency trade-off in an energy dependent neural network by Kumar, Bhadra S., Mayakkannan, Nagavarshini, Manojna, N. Sowmya, Chakravarthy, V. Srinivasa

“…Artificial feedforward neural networks perform a wide variety of classification and function approximation tasks with high accuracy. Unlike their artificial…”
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A phenomenological model of whole brain dynamics using a network of neural oscillators with power-coupling by Bandyopadhyay, Anirban, Ghosh, Sayan, Biswas, Dipayan, Chakravarthy, V. Srinivasa, S. Bapi, Raju

“…We present a general, trainable oscillatory neural network as a large-scale model of brain dynamics. The model has a cascade of two stages - an oscillatory…”
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A computational model of neuro-glio-vascular loop interactions by Chander, Bankim Subhash, Chakravarthy, V Srinivasa

“…We present a computational, biophysical model of neuron-astrocyte-vessel interaction. Unlike other cells, neurons convey "hunger" signals to the vascular…”
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A Multi-Scale Computational Model of Excitotoxic Loss of Dopaminergic Cells in Parkinson's Disease by Muddapu, Vignayanandam Ravindernath, Chakravarthy, V Srinivasa

“…Parkinson's disease (PD) is a neurodegenerative disorder caused by loss of dopaminergic neurons in substantia nigra pars compacta (SNc). Although the exact…”
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Modeling hippocampal spatial cells in rodents navigating in 3D environments by Aziz, Azra, Patil, Bharat K., Lakshmikanth, Kailash, Sreeharsha, Peesapati S. S., Mukhopadhyay, Ayan, Chakravarthy, V. Srinivasa

“…Studies on the neural correlates of navigation in 3D environments are plagued by several issues that need to be solved. For example, experimental studies show…”
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Interaction of network and rehabilitation therapy parameters in defining recovery after stroke in a Bilateral Neural Network by Elango, Sundari, Francis, Amal Jude Ashwin, Chakravarthy, V Srinivasa

“…Restoring movement after hemiparesis caused by stroke is an ongoing challenge in the field of rehabilitation. With several therapies in use, there is no…”
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A Computational Model of Loss of Dopaminergic Cells in Parkinson's Disease Due to Glutamate-Induced Excitotoxicity by Muddapu, Vignayanandam Ravindernath, Mandali, Alekhya, Chakravarthy, V Srinivasa, Ramaswamy, Srikanth

“…Parkinson's disease (PD) is a neurodegenerative disease associated with progressive and inexorable loss of dopaminergic cells in Substantia Nigra pars compacta…”
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Modeling the tonotopic map using a two-dimensional array of neural oscillators by Biswas, Dipayan, Chakravarthy, V. Srinivasa, Tarsode, Asit

“…We present a model of a tonotopic map known as the Oscillatory Tonotopic Self-Organizing Map (OTSOM). It is a 2-dimensional, self-organizing array of Hopf…”
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Probing the Role of Medication, DBS Electrode Position, and Antidromic Activation on Impulsivity Using a Computational Model of Basal Ganglia by Mandali, Alekhya, Chakravarthy, V Srinivasa

“…Everyday, we encounter situations where available choices are nearly equally rewarding (high conflict) calling for some tough decision making. Experimental…”
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A deep network-based model of hippocampal memory functions under normal and Alzheimer's disease conditions by Kanagamani, Tamizharasan, Chakravarthy, V Srinivasa, Ravindran, Balaraman, Menon, Ramshekhar N

“…We present a deep network-based model of the associative memory functions of the hippocampus. The proposed network architecture has two key modules: (1) an…”
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A generalized reinforcement learning based deep neural network agent model for diverse cognitive constructs by Nair, Sandeep Sathyanandan, Muddapu, Vignayanandam Ravindernath, Vigneswaran, C., Balasubramani, Pragathi P., Ramanathan, Dhakshin S., Mishra, Jyoti, Chakravarthy, V. Srinivasa

“…Human cognition is characterized by a wide range of capabilities including goal-oriented selective attention, distractor suppression, decision making, response…”
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A Complex-Valued Oscillatory Neural Network for Storage and Retrieval of Multidimensional Aperiodic Signals by Biswas, Dipayan, Pallikkulath, Sooryakiran, Chakravarthy, V Srinivasa

“…Recurrent neural networks with associative memory properties are typically based on fixed-point dynamics, which is fundamentally distinct from the oscillatory…”
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A Multi-Scale Computational Model of Levodopa-Induced Toxicity in Parkinson's Disease by Muddapu, Vignayanandam Ravindernath-Jayashree, Vijayakumar, Karthik, Ramakrishnan, Keerthiga, Chakravarthy, V Srinivasa

“…Parkinson's disease (PD) is caused by the progressive loss of dopaminergic cells in substantia nigra pars compacta (SNc). The root cause of this cell loss in…”
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A Model of Motion Processing in the Visual Cortex Using Neural Field With Asymmetric Hebbian Learning by Gundavarapu, Anila, Chakravarthy, V Srinivasa, Soman, Karthik

“…Neurons in the dorsal pathway of the visual cortex are thought to be involved in motion processing. The first site of motion processing is the primary visual…”
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The Influence of Neural Activity and Neural Cytoarchitecture on Cerebrovascular Arborization: A Computational Model by Kumar, Bhadra S, Menon, Sarath C, Gayathri, Sriya R, Chakravarthy, V Srinivasa

“…Normal functioning of the brain relies on a continual and efficient delivery of energy by a vast network of cerebral blood vessels. The bidirectional coupling…”
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A Multiscale, Systems-Level, Neuropharmacological Model of Cortico-Basal Ganglia System for Arm Reaching Under Normal, Parkinsonian, and Levodopa Medication Conditions by Nair, Sandeep Sathyanandan, Muddapu, Vignayanandam Ravindernath, Chakravarthy, V Srinivasa

“…In order to understand the link between substantia nigra pars compacta (SNc) cell loss and Parkinson's disease (PD) symptoms, we developed a multiscale…”
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A Network Architecture for Bidirectional Neurovascular Coupling in Rat Whisker Barrel Cortex by Kumar, Bhadra S., Khot, Aditi, Chakravarthy, V. Srinivasa, Pushpavanam, S.

“…Neurovascular coupling is typically considered as a master-slave relationship between the neurons and the cerebral vessels: the neurons demand energy which the…”
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