Fig. 2. Long-term use of a fixed click detector.

a Training data was collected during 4 sessions that occurred within a period of 16 days. For each day, each sub-bar represents a separate block of training data collection (6 training blocks total). b Using the fixed detector, one block of switch scanning with the communication board was performed +21 days post-training data collection (purple). From Day +46 to Day +81, the fixed detector was used for switch scan spelling with a 7-vote threshold (blue). From Day +81 to Day +111, the fixed detector was used for switch scan spelling with a 4-vote threshold (teal). For each day, each sub-bar represents a separate spelling block of 3-4 sentences. The horizontal axis spanning both (a) and (b) represents the number of days relative to the last day of training data collection (Day 0).