A neuronal network for computing population vectors in the leech

Article Abstract:

The population coding in a small network underlying the leech local bend is reported. A complete set of sensory inputs to the network were monitored and manipulated. The population vector was found to correlate with bend direction, linking a proposed algorithm for neural population coding with synaptic and network mechanisms.

Leeches

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Dissociation between hand motion and population vectors from neural activity in motor cortex

Article Abstract:

Research into the activity of neurons in contralateral motor cortex of monkeys while they made reaching movements with their right arms oriented in the horizontal plane is presented. There were found to be systematic biases between the population vector and the direction of hand movement.

Motor cortex

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Converting thoughts into action

Article Abstract:

Exploration of the field of neuroprosthetics could provide a potential approach to permit individuals with severe neurological injuries to interact with environment. Several significant advances being made with brain-implantation technology to that effect are discussed.

United States, Medical Instruments and Supplies, Medical Equipment and Supplies Manufacturing, Neurological Equipment, Care and treatment, Usage, Nervous system diseases, Brain tissue transplantation

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