The subtraction task was rated as significantly more difficult to perform than the addition task, implying that stimulation of the cerebellum affects performance on tasks that are more challenging to perform.
That makes it more difficult to perform because everything is so transparent and visible.
However, analytical investigations and computations for diffusions with so-called heavy-tailed ergodic distributions are more difficult to perform.
Organ transplants are, for a variety of reasons, more difficult to perform successfully than are most other grafts.
But the combination of the eccentric courts and their retinues, with an insatiable and still more intrusive media, has made that role ever more difficult to perform.
Critics say that these changes could make it more difficult to perform calculations like the one that the E.P.A. made public on Tuesday.
The second reaction is more difficult to perform: in conventional fuel cells, platinum is used in both electrodes, but 10 times as much is needed on the water-producing side.
The SDS-PAGE analysis confirmed the MALDI-TOF data but was more difficult to perform.
The dynamic tensile tests of concrete are more difficult to perform and there are limited results available.
Our results endorse the fact that US is more difficult to perform in overweight patients, but that it is still of great value.
However, transvenous pacing is technically more difficult to perform and has the potential for more complications related to the venous access and lead placement [15].
