Table 4. Assessments of Cognitive Activity Limitation from 1970 - 2013^* (N = 40).

Assessment	No. (%)
Papers using >1 instrument to assess cognitive activity limitations	30 (75%)
Cognitive Domains measured†
General intelligence	37 (93%)
Executive function	22 (55%)
Memory	19 (48%)
Attention	18 (45%)
Language / verbal fluency or production / naming	17 (43%)
Visuospatial Construction or Ability	16 (40%)
Working memory	16 (40%)
Mental Processing Speed	12 (30%)
Alertness	2 (5%)

^*Three (8%) papers were published prior to 2000

^†Domains are not mutually exclusive