Dear Luis,
The relationship between pupil size, eye movement and the
mental workload is very interesting issue for me.
I hope that following two our papers help you something.
Regarads,
Minoru Nakayama
The act of task difficulty and eye-movement frequency for
the 'Oculo-motor indices', Proceedings of the symposium on
Eye tracking research & applications 2002
http://portal.acm.org/ft_gateway.cfm?id=507080&type=pdf&coll=GUIDE&dl=ACM&CFID=14829809&CFTOKEN=24114678
The response of eye-movement and pupil size to audio
instruction while viewing a moving target, Proceedings of
the symposium on Eye tracking research & applications 2000
http://portal.acm.org/ft_gateway.cfm?id=355043&type=pdf&dl=GUIDE&dl=ACM&CFID=14829865&CFTOKEN=24188040
In message <[log in to unmask]>:
Luis Nunes <[log in to unmask]> wrote
| Dear colleagues
|
| In several experiments carried on with participants that drove an =
| instrumented vehicle in open roads we have found systematically a pupil =
| size increment effect attributable to increased mental workload - =
| (independent from variations attributable to daylight changes) - and =
| this effect has also been consistent with subjective effort measures. We =
| have also found, congruently, momentary pupill size peaks corresponding =
| to particularly demanding traffic situations like emergency braking, =
| etc.
|
| But in recent experiments focused on speed effects on visual behaviour, =
| we found a pupil size reduction attributable to driving speed, but we =
| have no explanation for this. The reanalysis of data prior experiments =
| regarding speed seems to confirm this effect also.=20
|
| Has anyone found this effect, or has anyone some idea about a possible =
| explanation ?
|
| Thanks
|
|
| Luis Miguel Nunes
| Direcci=F3n General de Tr=E1fico
| c/Josefa Valc=E1rcel 28
| 28027-Madrid
|
| Tel. +34 91 301 82 38
|
| --
| EYE-MOVEMENT mailing list ([log in to unmask])
| N.B. Replies are sent to the list, not the sender
| To unsubscribe, etc. see http://www.jiscmail.ac.uk/files/eye-movement/introdu
| ction.html
| Other queries to list owner at [log in to unmask]
--
EYE-MOVEMENT mailing list ([log in to unmask])
N.B. Replies are sent to the list, not the sender
To unsubscribe, etc. see http://www.jiscmail.ac.uk/files/eye-movement/introduction.html
Other queries to list owner at [log in to unmask]
|