 Passive training. To control for pure practice or exposure effects, a second group of elderly participants will undergo passive training. Participants will be exposed to an auditory beep 1000 Hz and a visual flash a white circle with varying SOAs, similarly as in the active training group. The maximum SOA for each individual will be likewise determined by his or her threshold from the TOJ assessment. However the participants will not be asked to perform the TOJ task and no feedback will be provided. Instead, participants will perform an oddball task in which they are asked to detect a dark grey circle or a high pitch beep 1500 Hz that occurs less frequently than the standard stimuli i.e., a white circle or a 1000 Hz beep. Having an oddball task in both auditory and visual modalities will ensure that participants attention is divided between the two modalities as required in the active training task 16. There will be a total of 160 trials in the training phase 8 SOAs x 20 repetitions. 