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| Gain-field encoding ： ウィキペディア英語版 |
Gain-field encoding
Gain field encoding is a hypothesis about the internal storage and processing of limb motion in the brain. In the motor areas of the brain, there are neurons which collectively have the ability to store information regarding both limb positioning and velocity in relation to both the body (intrinsic) and the individual's external environment (extrinsic). The input from these neurons is taken multiplicatively, forming what is referred to as a gain field.〔 The gain field works as a collection of internal models for which the body can base its movements off. The process of encoding and recalling these models is the basis of muscle memory.
==Physiology==
Neurons involved in gain field encoding work multiplicatively, taking the input from several together to form the gain field.〔 It is this process that allows the complexity of motor control. Instead of simply encoding the motion of the limb in which a specific motion is desired, the multiplicative nature of the gain field ensures that the positioning of the rest of the body is taken in to consideration. This process allows for motor coordination of flexible bimanual actions as opposed to restricting the individual to unimanual motion. For example, when considering the movement of both arms, the body calls upon gain field models for each arm in order to compensate for the mechanical interactions created by both.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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