Podcast
Questions and Answers
What is the approximate frequency of saccades?
What is the approximate frequency of saccades?
- 15-20 times a second
- 1-2 times a second
- 3-5 times a second (correct)
- 10-12 times a second
During the execution of saccadic movement, what happens to some visual processing?
During the execution of saccadic movement, what happens to some visual processing?
- It becomes slower
- It is suppressed (correct)
- It remains unaffected
- It is enhanced
What is the purpose of smooth pursuit eye movements?
What is the purpose of smooth pursuit eye movements?
- To fixate points of interest
- To initiate saccades
- To track an item of interest (correct)
- To suppress visual processing
What did Yarbus (1967) ask participants to do during the scene viewing?
What did Yarbus (1967) ask participants to do during the scene viewing?
What is the top-down influence on saccades?
What is the top-down influence on saccades?
Why are eye movements not random?
Why are eye movements not random?
What does shifting the eyes achieve in terms of spatial resolution?
What does shifting the eyes achieve in terms of spatial resolution?
What is the purpose of goal-directed eye movements?
What is the purpose of goal-directed eye movements?
What is the outcome often important in goal-directed movements?
What is the outcome often important in goal-directed movements?
What is the approximate time for initiation of saccades?
What is the approximate time for initiation of saccades?
During smooth pursuit eye movements, what is the velocity once at the same speed as the target?
During smooth pursuit eye movements, what is the velocity once at the same speed as the target?
What is the purpose of saccades?
What is the purpose of saccades?
What is the alteration of the motor plan based on a discrepancy between predicted and real feedback called?
What is the alteration of the motor plan based on a discrepancy between predicted and real feedback called?
What plays a role in reducing the ability to make online corrections to reaching movements when transcranial magnetic stimulation (TMS) is applied?
What plays a role in reducing the ability to make online corrections to reaching movements when transcranial magnetic stimulation (TMS) is applied?
Which factor significantly contributes to the precision of rapid pointing movements?
Which factor significantly contributes to the precision of rapid pointing movements?
What is used to plan a sequence of slow, guided movements?
What is used to plan a sequence of slow, guided movements?
What is part of the circuits for visual processing and deployment of saccades?
What is part of the circuits for visual processing and deployment of saccades?
Which phase involves comparing the visible hand trajectory to an invisible planned trajectory?
Which phase involves comparing the visible hand trajectory to an invisible planned trajectory?
In which phase are reaches planned in eye-centred coordinates?
In which phase are reaches planned in eye-centred coordinates?
What is the alteration of the motor plan based on a discrepancy between predicted and real feedback called?
What is the alteration of the motor plan based on a discrepancy between predicted and real feedback called?
What is used to plan a sequence of slow, guided movements?
What is used to plan a sequence of slow, guided movements?
What is part of the circuits for visual processing and deployment of saccades?
What is part of the circuits for visual processing and deployment of saccades?
Which phase involves comparing the visible hand trajectory to an invisible planned trajectory?
Which phase involves comparing the visible hand trajectory to an invisible planned trajectory?
In which phase are reaches planned in eye-centred coordinates?
In which phase are reaches planned in eye-centred coordinates?
What is the approximate frequency of saccades?
What is the approximate frequency of saccades?
What is the purpose of smooth pursuit eye movements?
What is the purpose of smooth pursuit eye movements?
What is the top-down influence on saccades?
What is the top-down influence on saccades?
What did Yarbus (1967) ask participants to do during the scene viewing?
What did Yarbus (1967) ask participants to do during the scene viewing?
What is the outcome often important in goal-directed movements?
What is the outcome often important in goal-directed movements?
What is the purpose of goal-directed eye movements?
What is the purpose of goal-directed eye movements?
What is the approximate time for initiation of saccades?
What is the approximate time for initiation of saccades?
What is the purpose of saccades?
What is the purpose of saccades?
Why are eye movements not random?
Why are eye movements not random?
During the execution of saccadic movement, what happens to some visual processing?
During the execution of saccadic movement, what happens to some visual processing?
What is the alteration of the motor plan based on a discrepancy between predicted and real feedback called?
What is the alteration of the motor plan based on a discrepancy between predicted and real feedback called?
What is used to plan a sequence of slow, guided movements?
What is used to plan a sequence of slow, guided movements?
What is the approximate time needed to update a rapid pointing movement online?
What is the approximate time needed to update a rapid pointing movement online?
What factor significantly contributes to the precision of rapid pointing movements?
What factor significantly contributes to the precision of rapid pointing movements?
What is the purpose of 'look ahead' saccades?
What is the purpose of 'look ahead' saccades?
What plays a role in reducing the ability to make online corrections to reaching movements when transcranial magnetic stimulation (TMS) is applied?
What plays a role in reducing the ability to make online corrections to reaching movements when transcranial magnetic stimulation (TMS) is applied?
What is the approximate distance between the first saccade and the hand during rapid pointing?
What is the approximate distance between the first saccade and the hand during rapid pointing?
What is the purpose of the superior colliculus in the context of visual processing and saccade deployment?
What is the purpose of the superior colliculus in the context of visual processing and saccade deployment?
What is the alteration of the motor plan based on a discrepancy between predicted and real feedback called?
What is the alteration of the motor plan based on a discrepancy between predicted and real feedback called?
What is the approximate time needed to update a slow, reaching movement online?
What is the approximate time needed to update a slow, reaching movement online?
What is the primary factor limiting performance related to fatigue and energy expenditure?
What is the primary factor limiting performance related to fatigue and energy expenditure?
What is the primary factor limiting performance related to compromised stereo and low light conditions?
What is the primary factor limiting performance related to compromised stereo and low light conditions?
What is the primary factor limiting performance related to the speed-accuracy trade-off in movements?
What is the primary factor limiting performance related to the speed-accuracy trade-off in movements?
What is the primary factor limiting precision in rapid pointing movements?
What is the primary factor limiting precision in rapid pointing movements?
