Breath Hold Paradigm:

TASK_SEQUENCE = ( R, G, In, Out, Deep, H1, H2, H3, H4, H5, H6,
                  R, G, In, Out, Deep, H1, H2, H3, H4, H5, H6,
                  R, G, In, Out, Deep, H1, H2, H3, H4, H5, H6,
                  R, G, In, Out, Deep, H1, H2, H3, H4, H5, H6,
                  R, G, In, Out, Deep, H1, H2, H3, H4, H5, H6,
                  R, G, In, Out, Deep, H1, H2, H3, H4, H5, H6,
                  R, G, In, Out, Deep, H1, H2, H3, H4, H5, H6 )
TASK_TIMING =   (10, 2,  2,   2,    2,  3,  3,  3,  3,  3,  3,
                 10, 2,  2,   2,    2,  3,  3,  3,  3,  3,  3,
                 10, 2,  2,   2,    2,  3,  3,  3,  3,  3,  3,
                 10, 2,  2,   2,    2,  3,  3,  3,  3,  3,  3,
                 10, 2,  2,   2,    2,  3,  3,  3,  3,  3,  3,
                 10, 2,  2,   2,    2,  3,  3,  3,  3,  3,  3,
                 10, 2,  2,   2,    2,  3,  3,  3,  3,  3,  3 )
                 
KEY: 	R="Rest"
		G="Get Ready"
		In="Breathe In"
		Out="Breathe Out"
		Deep="Deep Breath and Hold"
		H1-H6= Circles of descreasing size, indicating how much longer breath needed to be held.