An Adaptive Neural Network: The Cerebral Cortex |
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Page 31
... channels have different intrinsic time constants ( 1-500 ms ) and postsynaptic potentials outlast the durations of afferent impulses ( Neher , 1983 ) . Potassium channels regulate the firing frequency of the neuron , for example by ...
... channels have different intrinsic time constants ( 1-500 ms ) and postsynaptic potentials outlast the durations of afferent impulses ( Neher , 1983 ) . Potassium channels regulate the firing frequency of the neuron , for example by ...
Page 34
... channels , can coexist with a neighboring zone specialized with Glutamate receptors linked to sodium and calcium channels . Integration of several inputs depends upon their relative positions and their extensions on the neuronal surface ...
... channels , can coexist with a neighboring zone specialized with Glutamate receptors linked to sodium and calcium channels . Integration of several inputs depends upon their relative positions and their extensions on the neuronal surface ...
Page 50
... channels : these channels can maintain an active state ( continuous firing frequency ) after a single excitatory input ( channel opening by depolarization ) ; this activity stops after a single inhibitory input and the cell remains in ...
... channels : these channels can maintain an active state ( continuous firing frequency ) after a single excitatory input ( channel opening by depolarization ) ; this activity stops after a single inhibitory input and the cell remains in ...
Contents
Introduction | 1 |
basic function of neurons | 23 |
temporal integration | 47 |
Copyright | |
28 other sections not shown
Common terms and phrases
action potential adaptations afferent associative areas auditory axes axons behavioral call trees cellular cerebellum cerebral cortex chapter circuits columnar automata combinations command construction correlations correspond cortical actions cortical areas cortical column cortical images cortical inputs cortical modules cortical network cortical regions cortical surface cortical system cortical zone dendrites depends differentiation disequilibrium effect example excitatory external eye movements Figure frontal areas frontal cortex frontal regions fundamental programs global hemisphere hippocampus inhibition inhibitory internal interneurons learning linked lower layers lower pyramidal maps membrane memorization modular actions module molecular motor areas neural structures organization oriented output parallel parameters parietal areas partial goals pathways phonemes pole position produce properties Purkinje cells pyramidal cells pyramidal neurons receptor recognition algorithms relations represent representation reticular reticular formation retinal sensorimotor sensory sequence somatosensory spatial specific stimulus symbolic symmetrical synapses syntactic rules temporal levels thalamic inputs tissue transmission coefficients triggering types uncoupling upper layers words