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Attention theories Broadbent

Attention theories Broadbent. Attention theories Broadbent. In Broadbent’s (1958) “split-scan” experiment, letters are presented simultaneously to the left and right ears. Subjects CAN filter. Attention theories. Gray and Weddebum’s (1960) “Dear Aunt Jane” experiment: The message

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Attention theories Broadbent

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  1. Attention theories Broadbent

  2. Attention theories Broadbent In Broadbent’s (1958) “split-scan” experiment, letters are presented simultaneously to the left and right ears. Subjects CAN filter.

  3. Attention theories Gray and Weddebum’s (1960) “Dear Aunt Jane” experiment: The message “Dear Aunt Jane” starts in the left ear, jumps to the right ear and then goes back to the left. CONTENT affects the ‘filtering’.

  4. Attention theories Flow diagram for Treisman’s attenuation model of selective attention.

  5. Strayer and Johnston’s (2001) cell-phone experiment. The person talking on the cell phone (a) missed more red lights, and (b) took longer to apply the brakes.

  6. Flanker-compatibility task used to test the “spotlight” approach to attention. Pay attention to a target stimulus at S and ignore flanker stimuli like the H’s.

  7. Neglect Syndrome • Cause – Unilateral parietal lesion, typically on the right • Main symptoms – Failure to acknowledge objects or events in the hemispace contralateral to the lesion, typically the left • Act as if the left side of space does not exist

  8. Neglect - Line Cancellation

  9. Neglect - Copying

  10. Recovery from Neglect Self-portraits of German artist Anton Raederscheidt at progressive time points after the stroke

  11. Remaining asymmetry

  12. Neglect and Imagery • Bisiach and Luzzatti (1978) asked Milan neglect patients to imagine Piazza del Duomo as if they were standing on the cathedral steps or on the other side of the piazza, and name as many buildings as they could.

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