sequence of events in spatial cueing paradigm
DESCRIPTION
Sequence of Events in Spatial Cueing Paradigm. +. Sequence of Events in Spatial Cueing Paradigm. +. . time. Sequence of Events in Spatial Cueing Paradigm. +. . time. *. Spatial Cueing. Independent Variable: type of cue (could also be called cue-target relationship ) - PowerPoint PPT PresentationTRANSCRIPT
Sequence of Events in Spatial Cueing Paradigm
+
Sequence of Events in Spatial Cueing Paradigm
+
time
Sequence of Events in Spatial Cueing Paradigm
+
*time
Spatial Cueing
• Independent Variable: type of cue (could also be called cue-target relationship)– Levels: Valid, Invalid, Neutral
VALID CUE
+
*
INVALID CUE
+
*
NEUTRAL CUE
+
---
*
Spatial Cueing
• Dependant Variable: Reaction time
• Results
Valid Neutral Invalid
Rea
ctio
n tim
e
+
SOA (Stimulus Onset Asychrony)
+
time
SOA (Stimulus Onset Asychrony)
+
*time
SOA ( ex. 500ms)
0
1
2
3
4
5
6
1 2
100 1200
Valid Invalid Valid Invalid
REALY short SOA Not too short SOA
0
1
2
3
4
5
6
1 2
100 1200
Series1
Series2
Inhibition of return keeps attention from revisiting where it has just been.
On valid trials that’s what you have to do – so your RT is slower.
Valid Invalid Valid Invalid
REALY short SOA Not too short SOA
IVs you could add to spatial cueing task
• Type of cue (central or peripheral)• SOA• Target appears Left vs. right• Any more???
Attentional Blink
• IV: separation between the two targets --levels (0), 2, 4, 6, 8, seconds
• IV: target order--levels 1st or 2nd
• DV: Accuracy of detection of targets
Attentional Blink Results
2 4 6 8
Cor
rect
det
ectio
ns
Seconds in between 1st and 2nd letter
1st letter
2nd letter