Odour encoding by temporal sequences of firing in oscillating neural assemblies

Article Abstract:

Encoding of odor occurs in the temporal sequence of neural assemblies which are non-randomly updated during each oscillatory response pattern. Oscillatory synchronizations recruit neurons in an oscillating assembly in a stimulus-specific manner. The phase of the active neuron firing fails to contain any information about the stimulus. Oscillations help in the combinatorial neural coding of odor in time and space, with the information stored in the temporal firing pattern of the neuron groups.

Odors, Neural circuitry, Neural stimulation

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Who reads temporal information contained across synchronized and oscillatory spike trains?

Article Abstract:

Oscillations and synchronization functions in information processing, perception and action are difficult to establish, although a degree of neural synchronization with specific behavioral or cognitive tasks has been correlated in mammal studies. Synchronization depends critically on fast GABA-mediated inhibition, but it is possible that no single neuron between sensory and motor/cognitive areas is sensitive to input synchronization on its own.

Observations, Brain research, Perception, Perception (Psychology)

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Hebbian STDP in mushroom bodies facilitates the synchronous flow of olfactory information in locusts

Article Abstract:

Intracellular recordings in vivo are used for examining transmission and plasticity at the synapse made by Kenyon cells onto downstream targets in locusts. Hebbian spike-timing dependent plasticity (STDP) has enhanced the synchronization of the Kenyon cells' targets and has helped in preserving the propagation of the odour-specific codes through the olfactory system.

Science & research, Locusts, Locusts (Insects), Mushrooms, Olfactory receptors

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