Tutorial 4: Visual Search
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What form should a 'guiding representation' in Treisman's feature integration theory take? | It might be better to think of a ‘guiding
representation’ as a control device.
Its
contents are abstracted from the main pathway
and it, in turn, controls access to the
attentional bottleneck. However, it would not,
itself, be part of the pathway.
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| Why does Treisman's feature integration theory need a modification to the 'guiding representation' theory? | 1. multiple
examples of ‘features’that are available early
but that are not available to guide the deployment
of attention.
2. there are
properties of guiding attributes that are not
reflected in attentive vision.
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| What is an example for the 'guiding representation' in Treisman's feature integration theory? | The hypothetical control module
guides selection like a security screener at an
airport. Based on a rather abstract representation
of the notion of ‘threat’, the screener
selects some individuals for more attention
than others.
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| What are the undoubted guiding attributes? | Colour,
motion, orientation and size .
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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