shield suggests protective intervention in imminent danger or actual attack. shielded her eyes from the sun with her hand; guard implies protecting with vigilance and force against expected danger. White House entrances are well guarded; safeguard implies taking precautionary protective measures against merely possible danger
The test, called the Montreal Cognitive Assessment, or Moca, is a 10-minute screening exam meant to highlight possible problems with thinking and memory. But it is by no means definitive, nor even diagnostic, experts pointed out. Screening tests like these cannot rule out declines in reasoning or memory, or difficulties with planning or judgment.
Trail Making Test. The Trail Making Test is a neuropsychological test of visual attention and task switching. It consists of two parts in which the subject is instructed to connect a set of 25 dots as quickly as possible while still maintaining accuracy. The test can provide information about visual search speed, scanning, speed of processing, mental flexibility, as well as executive functioning. It is sensitive to detecting cognitive impairment associated with dementia, for example, Alzheimer's disease.