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Table 1. 

ERP Effects in the Continuous Dual Task

Temporal Processing Stage
ERP Component
Stimulus Type
ERP Measure
Key Result
Early Visual P1 Target Amplitude Reduced in attend auditory vs. dual attention condition 
Latency Delayed in attend auditory condition 
Nontarget Amplitude No differences 
Latency Delayed in attend auditory condition 
Auditory N1 Target Amplitude Enhanced in attend auditory conditiona 
Latency No differences 
Nontarget Amplitude Enhanced in attend auditory vs. attend visual conditiona 
Latency Delayed in attend visual vs. attend auditory condition 
Late Visual P3 Target Amplitude Reduced in attend auditory condition 
Latency No differences 
Nontarget Amplitude No differences 
Latency No differences 
Auditory P3 Target Amplitude Reduced in attend visual condition 
Latency Delayed in dual vs. auditory, dual vs. visual, and auditory vs. visual attention conditionsa 
Nontarget Amplitude No differences 
Latency No differences 
Temporal Processing Stage
ERP Component
Stimulus Type
ERP Measure
Key Result
Early Visual P1 Target Amplitude Reduced in attend auditory vs. dual attention condition 
Latency Delayed in attend auditory condition 
Nontarget Amplitude No differences 
Latency Delayed in attend auditory condition 
Auditory N1 Target Amplitude Enhanced in attend auditory conditiona 
Latency No differences 
Nontarget Amplitude Enhanced in attend auditory vs. attend visual conditiona 
Latency Delayed in attend visual vs. attend auditory condition 
Late Visual P3 Target Amplitude Reduced in attend auditory condition 
Latency No differences 
Nontarget Amplitude No differences 
Latency No differences 
Auditory P3 Target Amplitude Reduced in attend visual condition 
Latency Delayed in dual vs. auditory, dual vs. visual, and auditory vs. visual attention conditionsa 
Nontarget Amplitude No differences 
Latency No differences 

Table 1 shows a summary of the relevant results from the ERP component analyses.

aThose comparisons in which there was an effect of dual-task performance.

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