Measuring time to awareness
The timing of two simultaneous responses to one single visual event, namely the sudden subjective expansion of a real object occurring at the onset of a reaching movement, was measured in normal subjects. The motor response was represented by the earliest sign of correction in trajectory of the move...
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| Published in | Neuroreport Vol. 2; no. 12; p. 797 |
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| Main Authors | , |
| Format | Journal Article |
| Language | English |
| Published |
England
01.12.1991
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| Subjects | |
| Online Access | Get more information |
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| Abstract | The timing of two simultaneous responses to one single visual event, namely the sudden subjective expansion of a real object occurring at the onset of a reaching movement, was measured in normal subjects. The motor response was represented by the earliest sign of correction in trajectory of the movement. The subjective report was represented by a vocal utterance that the subjects were instructed to emit when they became aware of the change in appearance of the object. The subjective report lagged the motor response by 150 ms. Control experiments ruled out a possible interference between the two responses. It is concluded that this temporal dissociation reflects a duality of neural pathways involved in processing object-related information. |
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| AbstractList | The timing of two simultaneous responses to one single visual event, namely the sudden subjective expansion of a real object occurring at the onset of a reaching movement, was measured in normal subjects. The motor response was represented by the earliest sign of correction in trajectory of the movement. The subjective report was represented by a vocal utterance that the subjects were instructed to emit when they became aware of the change in appearance of the object. The subjective report lagged the motor response by 150 ms. Control experiments ruled out a possible interference between the two responses. It is concluded that this temporal dissociation reflects a duality of neural pathways involved in processing object-related information. |
| Author | Jeannerod, M Castiello, U |
| Author_xml | – sequence: 1 givenname: U surname: Castiello fullname: Castiello, U organization: Fisiologia Umana, Universita di Parma, Italy – sequence: 2 givenname: M surname: Jeannerod fullname: Jeannerod, M |
| BackLink | https://www.ncbi.nlm.nih.gov/pubmed/1793825$$D View this record in MEDLINE/PubMed |
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| SubjectTerms | Awareness - physiology Humans Movement Psychomotor Performance - physiology Reaction Time Visual Perception |
| Title | Measuring time to awareness |
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