local sign

lo·cal sign

the characteristic of a sensation that permits distinguishing it from another sensation by locating its position in space.

direction, oculocentric

Direction associated with a particular retinal point. It is always perceived in the same direction if the light is received by the same retinal receptor. The capacity of a receptor to distinguish its excitation from that of its neighbours is referred to as local sign (or Lotze's local sign). This characteristic means that each retinal receptor has a unique oculocentric direction. See line of direction; oculocentre.

单词	local sign
释义	local sign local sign n (Physiology) physiol the information from a receptor in the eye or the skin signifying respectively a direction in space or a given point on the body local sign lo·cal sign the characteristic of a sensation that permits distinguishing it from another sensation by locating its position in space. direction, oculocentric Direction associated with a particular retinal point. It is always perceived in the same direction if the light is received by the same retinal receptor. The capacity of a receptor to distinguish its excitation from that of its neighbours is referred to as local sign (or Lotze's local sign). This characteristic means that each retinal receptor has a unique oculocentric direction. See line of direction; oculocentre.
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