Research Article

Obstacle Avoidance amongst Parkinson Disease Patients Is Challenged in a Threatening Context

Figure 1

Conditions of environmental context. (a) low postural threat and (b) high postural threat. Subjects wore a full-body safety harness in all trials. In high threat trials, the harness was attached to a rolling coupling on an overhead track (not shown).
787861.fig.001a
(a)
787861.fig.001b
(b)