Table 4.

Age effects on mean univariate SM effects and spread of multivariate SM effects in the STM task

ROI/ measureModelLinearQuadratic
Fptradj2pTradj2p
Mean univariate STM activation
    PFC4.570.01283.010.05530.00336−0.5050.615
    PVC9.430.0001874.280.119<0.0001−0.9880.324
    PFC-PVC0.6060.548−0.5870.559−0.8780.380
Multivariate spread (SD) of STM activity
    PFC13.4<0.00010.6620.507−5.030.162<0.0001
    PVC9.300.000210−1.010.308−4.070.108<0.0001
    PFC-PFC3.000.05470.6740.4972.260.02500244
  • PFC-PVC refers to analyses in which the dependent variable was the difference in each measure between PFC and PVC. n = 96.