A Maximum-Likelihood Approach to Modeling Multisensory
... and it predicts a functional relation between uni- and bimodal levels of discriminability that is testable both in neurophysiological and behavioral experiments. ...
... and it predicts a functional relation between uni- and bimodal levels of discriminability that is testable both in neurophysiological and behavioral experiments. ...
Chapter Three - New Providence School District
... A second method in this line of investigation is to compare specific traits across identical twins and fraternal twins. This method, called studies, assumes that inherited traits are much more likely to be found among (.i~_e.ntical/fraternal) twins, These studies do in fact show that for many charac ...
... A second method in this line of investigation is to compare specific traits across identical twins and fraternal twins. This method, called studies, assumes that inherited traits are much more likely to be found among (.i~_e.ntical/fraternal) twins, These studies do in fact show that for many charac ...
Answers to Mastering Concepts Questions
... One invertebrate nervous system is the nerve net typical of cnidarians. In these nets, the nerve cells touch one another and allow nerve signals to spread throughout the body wall so that the animal can move its tentacles or swim. Arthropods have a brain and ventral nerve cord and well developed sen ...
... One invertebrate nervous system is the nerve net typical of cnidarians. In these nets, the nerve cells touch one another and allow nerve signals to spread throughout the body wall so that the animal can move its tentacles or swim. Arthropods have a brain and ventral nerve cord and well developed sen ...
Adaptive, behaviorally gated, persistent encoding of task
... • Array of response latencies and event timing in frontal cortex :The time at which cortical neurons respond to sensory stimuli can provide insight into their functional role and the level that the neurons occupy in the bi-directional sensory-to–decision-making hierarchy. In frontal cortex neurons, ...
... • Array of response latencies and event timing in frontal cortex :The time at which cortical neurons respond to sensory stimuli can provide insight into their functional role and the level that the neurons occupy in the bi-directional sensory-to–decision-making hierarchy. In frontal cortex neurons, ...
Skeletal System
... Processing of inputs in the various circuits is both serial and parallel In serial processing, the input travels along a single pathway to a specific destination In parallel processing, the input travels along several different pathways to be integrated in different CNS regions Each pattern has its ...
... Processing of inputs in the various circuits is both serial and parallel In serial processing, the input travels along a single pathway to a specific destination In parallel processing, the input travels along several different pathways to be integrated in different CNS regions Each pattern has its ...
English - BCCN Berlin
... louder the sound or stronger the evoked muscle contraction. Other cells, in contrast, use a ‘temporal code’: it is not the number of impulses that matters, but rather their exact timing. It is crucial ...
... louder the sound or stronger the evoked muscle contraction. Other cells, in contrast, use a ‘temporal code’: it is not the number of impulses that matters, but rather their exact timing. It is crucial ...
Properties of spike train spectra in two parietal reach areas
... spatially tuned temporal structure, as evidenced by the existence of significantly elevated spectral power in the gamma frequency band (25–90 Hz). LFP activity reflects the movement of extracellular currents arising from the activation of a local neuronal ensemble and is easier to record than spikin ...
... spatially tuned temporal structure, as evidenced by the existence of significantly elevated spectral power in the gamma frequency band (25–90 Hz). LFP activity reflects the movement of extracellular currents arising from the activation of a local neuronal ensemble and is easier to record than spikin ...
Information About Spatial View in an Ensemble of Primate
... visual cortex (Rolls et al. 1997c) and the orbitofrontal olfactory cortex (Rolls et al. 1996). Of particular interest also was how the information increases as more cells are added to the ensemble. An attractive property of distributed encoding is that the information available from an ensemble can ...
... visual cortex (Rolls et al. 1997c) and the orbitofrontal olfactory cortex (Rolls et al. 1996). Of particular interest also was how the information increases as more cells are added to the ensemble. An attractive property of distributed encoding is that the information available from an ensemble can ...
NERVOUS and ENDOCRINE SYSTEMS TEST PREVIEW
... 2. What’s the function of the nervous and endocrine systems? 3. What part of a neuron receives impulses and carries it to the cell body? Which part carries impulses away from the cell body? 4. What is the difference between intensity and strength of a nerve impulse? 5. What determines the rate of an ...
... 2. What’s the function of the nervous and endocrine systems? 3. What part of a neuron receives impulses and carries it to the cell body? Which part carries impulses away from the cell body? 4. What is the difference between intensity and strength of a nerve impulse? 5. What determines the rate of an ...
Text S1.
... All excitatory synaptic weights were initially set to 0.05 and could vary between zero and 0.1 due to STDP. At the maximal weight, each spike would have a 50% probability of evoking a spike in the postsynaptic neuron, due to its summation with intrinsic noise (Figure S1-7). The synaptic weights for ...
... All excitatory synaptic weights were initially set to 0.05 and could vary between zero and 0.1 due to STDP. At the maximal weight, each spike would have a 50% probability of evoking a spike in the postsynaptic neuron, due to its summation with intrinsic noise (Figure S1-7). The synaptic weights for ...
Neurophysiology: Serotonin`s many meanings elude simple theories
... then influence the choice of appropriate actions. Interpreting electrophysiological recordings, however, has always been difficult. Neuromodulatory neurons reside in complex nuclei that harbour many different types of neurons, raising doubts about whether any recorded electrophysiological activity c ...
... then influence the choice of appropriate actions. Interpreting electrophysiological recordings, however, has always been difficult. Neuromodulatory neurons reside in complex nuclei that harbour many different types of neurons, raising doubts about whether any recorded electrophysiological activity c ...
Temporal Sequence Detection with Spiking Neurons: Towards
... including paired-pulse facilitation or depression, augmentation, post-tetanus potentiation, etc. The real neurons use these short term dynamics as an additional powerful mechanism for temporal processing. Several studies have explored the mechanisms of synaptic dynamics (Tsodyks et al., 1998; Abbott ...
... including paired-pulse facilitation or depression, augmentation, post-tetanus potentiation, etc. The real neurons use these short term dynamics as an additional powerful mechanism for temporal processing. Several studies have explored the mechanisms of synaptic dynamics (Tsodyks et al., 1998; Abbott ...
The mind`s mirror
... In another recent study, also published in Neuron (Vol. 42, No. 2, pages 335–346), Keysers and his colleagues looked at "tactile empathy," or how we experience the sight of others being touched. He found that the same area of the somatosensory cortex was active both when the 14 participants--this ti ...
... In another recent study, also published in Neuron (Vol. 42, No. 2, pages 335–346), Keysers and his colleagues looked at "tactile empathy," or how we experience the sight of others being touched. He found that the same area of the somatosensory cortex was active both when the 14 participants--this ti ...
Occipital Nerve Stimulation Suppresses Nociception
... • ONS is an emerging therapy for chronic daily headache (e.g. chronic migraine) • Migraine pain may result from sensitization of the trigeminal nucleus caudalis • This study quantifies the effects of ONS on these neurons in a rat model of central trigeminal sensitization ...
... • ONS is an emerging therapy for chronic daily headache (e.g. chronic migraine) • Migraine pain may result from sensitization of the trigeminal nucleus caudalis • This study quantifies the effects of ONS on these neurons in a rat model of central trigeminal sensitization ...
3 state neurons for contextual processing
... Since NMDA and AMPA pathways have distinct roles in respectively switching and firing our model neuron, we suggest the following conceptual model shown on Fig 3A. Without any input the neuron is at the rest or disabled state. Contextual input (via NMDA receptors) can bring the neuron into an enabled ...
... Since NMDA and AMPA pathways have distinct roles in respectively switching and firing our model neuron, we suggest the following conceptual model shown on Fig 3A. Without any input the neuron is at the rest or disabled state. Contextual input (via NMDA receptors) can bring the neuron into an enabled ...
Oct2011_Computers_Brains_Extra_Mural
... The Hypothalamus is the core of the brain having spontaneously active neurons that “animate” everything else. Other brain regions just layer on various constraints to these basic animating signals. The Thalamus (Diencephalon) seems to have started out as a contra-indicator center and later became mo ...
... The Hypothalamus is the core of the brain having spontaneously active neurons that “animate” everything else. Other brain regions just layer on various constraints to these basic animating signals. The Thalamus (Diencephalon) seems to have started out as a contra-indicator center and later became mo ...
Mechanisms to synchronize neuronal activity
... had varying directions of motion. And indeed, information contained in the mean ®ring rate of single neurons was sucient to explain the performance of the animal to discriminating stimulus movement in the preferred direction of the neuron from the opposite direction (Newsome et al. 1989). Although ...
... had varying directions of motion. And indeed, information contained in the mean ®ring rate of single neurons was sucient to explain the performance of the animal to discriminating stimulus movement in the preferred direction of the neuron from the opposite direction (Newsome et al. 1989). Although ...
Biopsychology and the Foundations of
... These two systems do not just work in cooperation during stressful situations like a car accident, but also in happier situations, such as when you earn an unexpected “A,” or “fall in love.” ...
... These two systems do not just work in cooperation during stressful situations like a car accident, but also in happier situations, such as when you earn an unexpected “A,” or “fall in love.” ...
Presentation
... These two systems do not just work in cooperation during stressful situations like a car accident, but also in happier situations, such as when you earn an unexpected “A,” or “fall in love.” ...
... These two systems do not just work in cooperation during stressful situations like a car accident, but also in happier situations, such as when you earn an unexpected “A,” or “fall in love.” ...
lecture9
... 6. Visuo-motor coordination is a computationally difficult problem for the brain. Need flexibility to correct errors. ...
... 6. Visuo-motor coordination is a computationally difficult problem for the brain. Need flexibility to correct errors. ...
Discrete Modeling of Multi-Transmitter Neural Networks with Neuron
... The remaining parameters characterize the functional (dynamic) properties. Novel approaches will be required for their description. To realize our goals, the existing discrete models need substantial expansions in several directions. 1. In all above-described discrete models, neurons are connected b ...
... The remaining parameters characterize the functional (dynamic) properties. Novel approaches will be required for their description. To realize our goals, the existing discrete models need substantial expansions in several directions. 1. In all above-described discrete models, neurons are connected b ...