Kubovy Perception Lab
Deviant Detection Task: Grouping by Pitch (Similarity) or Time (Proximity)
soa
w
(soa within pairs)
soa
b
(soa between pairs)
soa
b
/soa
w
Examples*
Possible Grouping Pattern and Strength
300 msec
150 msec
0.50
By Time
Strong
200 msec
0.67
By Time
Weak
300 msec
1.00
By Pitch
Moderate
450 msec
1.50
By Pitch
Strong
600 msec
2.00
By Pitch
Very Strong
450 msec
225 msec
0.50
By Time
Strong
300 msec
0.67
By Time
Weak
450 msec
1.00
By Pitch
Moderate
675 msec
1.50
By Pitch
Strong
900 msec
2.00
By Pitch
Very Strong
* All examples decelerate to regular tempo
