Table 2.

Equipment within the Multi-Sensory Environment (MSE) used in the study and how it can be engaged with in each condition.

Item and description	Active-Change condition	Passive-Change condition
(a) Coloured LED room lights: lights positioned on the ceiling that change the colour of the room	One of the eight colours can be selected, changing the colour as often as they choose	One of the eight alternating colours is presented every 3 s
(b) Bubble tube: water-filled tube with bubbles that travel up the tube continuously	One of the eight colours can be selected, changing the colour as often as they choose	One of the eight alternating colours is presented every 3 s
(c) Fibre optics: fibre optic cabling that lights up	One of the eight colours can be selected, changing the colour as often as they choose	One of the eight alternating colours is presented every 3 s
(d) Touch, sound and light board: board with eight buttons; when touched they produce a coloured light and a sound	Eight buttons can be pressed on the equipment lighting up one of the eight colours and playing a piano note. Buttons can be pressed concurrently	Eight buttons, each of a different colour, are lit. Each colour changes position on the board every 3 s. No piano notes are played
(e) Mirror ball: pin-spot light shines on a spinning mirror ball, projecting small moving lights onto the walls	Activate and de-activate the spotlight that shines onto the continually rotating mirror ball	The spotlight remains active throughout