Assertion: retina's type | /r/HasProperty | selective
Facets:
value: directionally
type: MANNER
Source sentences:
text: An intriguing type of ganglion cell found in many retinas is a movement-sensitive cell that is directionally selective – it responds well when a spot of light moves across the retina in one direction, but not at all when the spot moves in the opposite direction ( Figure 6b).