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EnglishOne patient with left spatial neglect (FM) and four right-brain damaged controls without neglect were tested on a line bisection task with pictures of neutral and emotional faces of the same size as unilateral cues. Our aim was to investigate whether bisection biases induced by cuing can be better explained as the result of a direct perceptual lengthening of the cued part of the line or, alternatively, because cues draw spatial attention thereby increasing the salience of that side. We thus manipulated the attentional salience of the cues (higher for emotional faces and lower for neutral faces) while keeping physical dimensions and perceptual characteristics of the stimuli constant. Our findings showed that left emotional faces were more effective than left neutral faces in reducing bisection errors in patient FM. These data indicate that in the left neglected hemispace cues bias attention rather than simply altering the perceptual point of balance of the line in the horizontal plane.
| Titolo: | Emotional Faces Modulate Spatial Neglect: Evidence from Line Bisection |
| Autori Riconosciuti: | |
| Autori: | Tamietto M; Latini Corazzini L; Pia L; Zettin M; Gionco M; Geminiani G |
| Data di pubblicazione: | 2005 |
| Abstract: | One patient with left spatial neglect (FM) and four right-brain damaged controls without neglect were tested on a line bisection task with pictures of neutral and emotional faces of the same size as unilateral cues. Our aim was to investigate whether bisection biases induced by cuing can be better explained as the result of a direct perceptual lengthening of the cued part of the line or, alternatively, because cues draw spatial attention thereby increasing the salience of that side. We thus manipulated the attentional salience of the cues (higher for emotional faces and lower for neutral faces) while keeping physical dimensions and perceptual characteristics of the stimuli constant. Our findings showed that left emotional faces were more effective than left neutral faces in reducing bisection errors in patient FM. These data indicate that in the left neglected hemispace cues bias attention rather than simply altering the perceptual point of balance of the line in the horizontal plane. |
| Editore: | Lawrence Erlbaum Associates |
| Titolo del libro: | Proceedings of the 26th Annual Conference of the Cognitive Science Society |
| Pagina iniziale: | 2151 |
| Pagina finale: | 2155 |
| Nome del convegno: | 27th Annual Conference of the Cognitive Science Society |
| Luogo del convegno: | Stresa |
| Anno del convegno: | 21-23 Luglio |
| Parole Chiave: | emotion; neglect; line bisection; cueing; attention; face processing |
| Appare nelle tipologie: | 04A-Conference paper in volume |
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| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| Tamietto et al. Cogsci 2005.pdf | 2 PDF Editoriale | Accesso aperto | Open Access Visualizza/Apri |
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