Plus, there's fewer external cues to distract you from both.
The music from dancing may serve as an external cue to facilitate movements.
But on the computer there are no external cues" to help a colorblind person.
It has often been proven that, without external physical cues, one's perception of time is extremely subjective.
With his instruments shot up, he had to rely on external visual cues to fly the aircraft.
Generally patients have less difficulties when some short of external cue is provided.
Generally patients have less difficulty when some sort of external cue is provided.
The arms are usually shielded from each other in some way but not to the extent that external cues cannot be used as reference points.
Conversely, the ability to move in response to an external cue is largely intact.
Moreover, sensory receptors for any external cue have not been identified yet.