Orienting attention based on long-term memory improves perceptual discriminations
The role of attentional orienting in daily life is to selectively deploy both behavioural and neural resources towards events, based on continually changing task goals and expectations, in order to optimize performance. In the following experiment, we show that attentional orienting is influenced by...
| Main Authors: | , , , |
|---|---|
| Other Authors: | |
| Format: | Conference item |
| Language: | English |
| Published: |
2009
|
| Subjects: |
| _version_ | 1797075407843885056 |
|---|---|
| author | Patai, E Summerfield, J Rao, A Nobre, A |
| author2 | Nature Publishing Group |
| author_facet | Nature Publishing Group Patai, E Summerfield, J Rao, A Nobre, A |
| author_sort | Patai, E |
| collection | OXFORD |
| description | The role of attentional orienting in daily life is to selectively deploy both behavioural and neural resources towards events, based on continually changing task goals and expectations, in order to optimize performance. In the following experiment, we show that attentional orienting is influenced by long-term memories in a perceptual discrimination task. In the learning phase, participants were trained on 120 ecologically valid natural scenes, of which 80 contained a target. Their task was to locate the target (a small key) on the screen by clicking on it with the mouse. One or two days later, participants completed a cued perceptual discrimination task. The same scenes that were studied before, but without any targets, were presented as cues (50 ms duration), followed, after a delay (450ms), by the scene again with or without the target (200ms). Participants discriminated covertly whether the key was present or absent from the second scene. There were three conditions: valid (key in learning and discrimination task was in same location), invalid (key in learning and discrimination task were in different location) and neutral (there was no key in learning phase). Behavioural results indicated that memory-guided attention benefits both the sensitivity (d’) and speed of target identification within natural scenes. A replication of the study is being carried out with event-related potentials to chart the neural modulations that accompany the perceptual enhancements observed behaviourally. |
| first_indexed | 2024-03-06T23:49:59Z |
| format | Conference item |
| id | oxford-uuid:72465dcc-69a1-418a-bf0e-e7c8eea66c44 |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-06T23:49:59Z |
| publishDate | 2009 |
| record_format | dspace |
| spelling | oxford-uuid:72465dcc-69a1-418a-bf0e-e7c8eea66c442022-03-26T19:49:01ZOrienting attention based on long-term memory improves perceptual discriminationsConference itemhttp://purl.org/coar/resource_type/c_5794uuid:72465dcc-69a1-418a-bf0e-e7c8eea66c44Experimental psychologyNeuroscienceEnglishOxford University Research Archive - Valet2009Patai, ESummerfield, JRao, ANobre, ANature Publishing GroupCognitive Neuroscience SocietyThe role of attentional orienting in daily life is to selectively deploy both behavioural and neural resources towards events, based on continually changing task goals and expectations, in order to optimize performance. In the following experiment, we show that attentional orienting is influenced by long-term memories in a perceptual discrimination task. In the learning phase, participants were trained on 120 ecologically valid natural scenes, of which 80 contained a target. Their task was to locate the target (a small key) on the screen by clicking on it with the mouse. One or two days later, participants completed a cued perceptual discrimination task. The same scenes that were studied before, but without any targets, were presented as cues (50 ms duration), followed, after a delay (450ms), by the scene again with or without the target (200ms). Participants discriminated covertly whether the key was present or absent from the second scene. There were three conditions: valid (key in learning and discrimination task was in same location), invalid (key in learning and discrimination task were in different location) and neutral (there was no key in learning phase). Behavioural results indicated that memory-guided attention benefits both the sensitivity (d’) and speed of target identification within natural scenes. A replication of the study is being carried out with event-related potentials to chart the neural modulations that accompany the perceptual enhancements observed behaviourally. |
| spellingShingle | Experimental psychology Neuroscience Patai, E Summerfield, J Rao, A Nobre, A Orienting attention based on long-term memory improves perceptual discriminations |
| title | Orienting attention based on long-term memory improves perceptual discriminations |
| title_full | Orienting attention based on long-term memory improves perceptual discriminations |
| title_fullStr | Orienting attention based on long-term memory improves perceptual discriminations |
| title_full_unstemmed | Orienting attention based on long-term memory improves perceptual discriminations |
| title_short | Orienting attention based on long-term memory improves perceptual discriminations |
| title_sort | orienting attention based on long term memory improves perceptual discriminations |
| topic | Experimental psychology Neuroscience |
| work_keys_str_mv | AT pataie orientingattentionbasedonlongtermmemoryimprovesperceptualdiscriminations AT summerfieldj orientingattentionbasedonlongtermmemoryimprovesperceptualdiscriminations AT raoa orientingattentionbasedonlongtermmemoryimprovesperceptualdiscriminations AT nobrea orientingattentionbasedonlongtermmemoryimprovesperceptualdiscriminations |