Effective Visual Working Memory Capacity: An Emergent Effect from the Neural Dynamics in an Attractor Network

PLoS ONE

Volumn 7, Issue 8, 2012, Pages

  Dempere Marco, Laura ^a   Melcher, David P ^b   Deco, Gustavo ^a,c  

^a UNIVERSITAT POMPEU FABRA   (Spain)

^b UNIVERSITY OF TRENTO   (Italy)

^c INSTITUCIÓ CATALANA DE RECERCA I ESTUDIS AVANÇATS ICREA   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; ATTENTION; ATTRACTOR NETWORK; BIOPHYSICS; BRAIN FUNCTION; HUMAN; MATHEMATICAL MODEL; MEMORY CONSOLIDATION; MENTAL CAPACITY; MENTAL PERFORMANCE; NERVE CELL EXCITABILITY; NERVE CELL NETWORK; NERVE CELL STIMULATION; NERVE CONDUCTION; NEUROPHYSIOLOGY; VISUAL MEMORY; WORKING MEMORY;

ALGORITHMS; ATTENTION; BIOPHYSICS; COGNITION; COMPUTER SIMULATION; HUMANS; MEMORY; MEMORY, SHORT-TERM; MODELS, BIOLOGICAL; MODELS, NEUROLOGICAL; MODELS, STATISTICAL; MOTIVATION; NERVE NET; NEUROPHYSIOLOGY; PSYCHOLOGY; VISUAL PERCEPTION;

EID: 84865611253     PISSN: None     EISSN: 19326203     Source Type: Journal    
DOI: 10.1371/journal.pone.0042719     Document Type: Article

References (49)

1. Baddeley A, (1992) Working memory. Science 255: 556-559.
2. Baddeley A, (1996) The fractionation of working memory. Proc Natl Acad Sci USA 93: 13468-13472.
3. Courtney SM, Ungerleider LG, Keil K, Haxby JV, (1996) Object and spatial visual working memory activate separate neural systems in human cortex. Cereb Cortex 6: 39-49.
4. Cowan N, (2000) The magical number 4 in short-term memory: A reconsideration of mental storage capacity. Behav Brain Sci 24: 87-114.
5. Bays P, Husain M, (2008) Dynamic shifts of limited working memory resources in human vision. Science 321: 851-854.
6. Alvarez G, Cavanagh P, (2004) The capacity of visual short-term memory is set both by visual information load and by number of objects. Psychol Sci 15: 106-111.
7. Melcher D, (2001) Persistence of visual memory for scenes. Nature 412: 401.
8. Todd JJ, Marois R, (2004) Capacity limit of visual short-term memory in human posterior parietal cortex. Nature 428: 751-754.
9. Zhang W, Luck S, (2008) Discrete fixed-resolution representations in visual working memory. Nature 453: 233-235.
10. Treisman A, Gelade G, (1980) A feature integration theory of attention. Cognitive Psychol 12: 97-136.
11. Koch C, Ullman S, (1985) Shifts in selective visual attention: towards the underlying neural circuitry. Hum Neurobiol 4: 219-227.
12. Itti L, Koch C, (2001) Computational modeling of visual attention. Nat Rev Neurosci 2: 194-203.
13. Kustov A, Robinson D, (1996) Shared neural control of attentional shifts and eye movements. Nature 384: 74-77.
14. Thompson K, Bichot N, (2005) A visual salience map in the primate frontal eye field. Prog Brain Res 147: 249-262.
15. Gottlieb J, Kusunoki M, Goldberg M, (1998) The representation of visual salience in monkey posterior parietal cortex. Nature 391: 481-484.
16. Li Z, (2002) A saliency map in primary visual cortex. Trends Cogn Sci 6: 9-16.
17. Fine M, Minnery B, (2009) Visual salience affects performance in a working memory task. J Neurosci 29: 8016-8021.
18. Berg D, Itti L, (2008) Memory, eye position and computed saliency [abstract]. J Vision 8: 1164.
19. Melcher D, Piazza M, (2011) The role of attentional priority and saliency in determining capacity limits in enumeration and visual working memory. PLoS One 6: 1-11.
20. Fuster J, Alexander G, (1971) Neuron activity related to short-term memory. Science 173: 652-654.
21. Goldman-Rakic P, (1995) Cellular basis of working memory. Neuron 14: 477-485.
22. Fuster J, Jervey J, (1981) Inferotemporal neurons distinguish and retain behaviorallly relevant features of visual stimuli. Science 212: 952-955.
23. Jensen O, Gelfand J, Kounios J, JE JL, (2002) Oscillations in the alpha band (9-12 hz) increase with memory load during retention in a short-term memory task. Cereb Cortex 12: 877-882.
24. Raghavachari S, Lisman J, Tully M, Madsen J, Bromfield E, et al. (2006) Theta oscillations in human cortex during a working-memory task: evidence for local generators. J Neurophysiol 95: 1630-1638.
25. Lundqvist M, Herman P, Lansner A, (2011) Theta and gamma power increases and alpha/beta power decreases with memory load in an attractor network model. J Cogn Neurosci 23: 3008-3020.
26. Warden MR, Miller EK, (2007) The representation of multiple objects in prefrontal neuronal delay activity. Cereb Cortex 17: 41-50.
27. Edin F, Klingberg T, Johansson P, McNab F, Tegnér J, et al. (2009) Mechanisms for top-down control of working memory capacity. Proc Natl Acad Sci USA 106: 6802-6807.
28. Buschman TJ, Siegel M, Roy JE, Miller E, (2011) Neural substrates of cognitive capacity limitations. Proc Natl Acad Sci USA 108: 11252-11255.
29. Amit DJ, Brunel N, (1997) Model of global spontaneous activity and local structured activity during delay periods in the cerebral cortex. Cereb Cortex 7: 237-252.
30. Brunel N, Wang XJ, (2001) Effects of neuromodulation in a cortical networkmodel of object working memory dominated by recurrent inhibition. J Comput Neurosci 11: 63-85.
31. Compte A, Brunel N, Goldman-Rakic P, Wang XJ, (2000) Synaptic mechanisms and network dynamics underlying spatial working memory in a cortical network model. Cereb Cortex 10: 910-923.
32. Lisman JE, Idiart MAP, (1995) Storage of 7±2 short-term memories in oscillatory subcycles. Science 267: 1512-1515.
33. Mongillo G, Barak O, Tsodyks M, (2008) Synaptic theory of working memory. Science 319: 1543-1546.
34. Naya Y, Sakai K, Miyashita Y, (1996) Activity of primate inferotemporal neurons related to a sought target in pair-association task. Proc Natl Acad Sci USA 93: 2664-2669.
35. Shafi M, Zhou Y, Quintana J, Chow C, Fuster J, et al. (2007) Variability in neuronal activity in primate cortex during working memory tasks. Neuroscience 146: 1082-1108.
36. Rainer G, Miller E, (2002) Timecourse of object-related neural activity in the primate prefrontal cortex during a short-term memory task. Eur J Neurosci 15: 1244-1254.
37. Macoveanu J, Klinberg T, Tegnér J, (2006) A biophysical model of multiple-item working memory: A computational and neuroimaging study. Neuroscience 141: 1611-1618.
38. Amit D, Bernacchia A, Yakovlev V, (2003) Multiple-object working memory - a model for behavioral performance. Cereb Cortex 13: 435-443.
39. Miller E, Erickson C, Desimone R, (1996) Neural mechanisms of visual working memory in prefrontal cortex of the macaque. J Neurosci 16: 5154-5167.
40. Yakovlev V, Bernacchia A, Orlov T, Hochstein S, Amit D, (2005) Multi-item working memory - a behavioral study. Cereb Cortex 15: 602-615.
41. Everling S, Tinsley C, Gaffan D, Duncan J, (2002) Filtering of neural signals by focused attention in the monkey prefrontal cortex. Nat Neurosci 5: 671-676.
42. Gegenfurtner K, Sperling G, (1993) Information transfer in iconic memory experiments. J Exp Psychol Human 19: 845-866.
43. Vogel E, Woodman G, Luck S, (2006) The time course of consolidation in visual working memory. J Exp Psychol Human 32: 1436-1451.
44. Desimone R, Duncan J, (1995) Neural mechanisms of selective visual attention. Annu Rev Neurosci 18: 193-222.
45. Palomares M, Egeth H, (2010) How element visibility affects visual enumeration. Vision Res 50: 2000-2007.
46. Piazza M, Fumarola A, Chinello A, Melcher D, (2011) Subitizing reflects visuo-spatial object individuation capacity. Cognition 121: 147-153.
47. Almeida R, Compte A, (2011) A computational and behavioral study of the precision of visuospatial working-memory for several items. BMC Neurosci 12: 45.
48. Koch K, Fuster J, (1989) Unit activity in monkey parietal cortex related to haptic perception and temporary memory. Exp Brain Res 76: 292-306.
49. Stetter M, (2006) Dynamic functional tuning of nonlinear cortical networks. Phys Rev E 73: 031903.