Observation and imitation of actions performed by humans, androids, and robots: An EMG study

Frontiers in Human Neuroscience

Volumn 9, Issue JUNE, 2015, Pages

  Hofree, Galit ^a   Urgen, Burcu A ^b   Winkielman, Piotr ^a,c,d   Saygin, Ayse P ^b  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b UNIVERSITY OF CALIFORNIA   (United States)

^c UNIVERSITY OF WARWICK   (United Kingdom)

^d SWPS UNIVERSITY OF SOCIAL SCIENCES AND HUMANITIES   (Poland)

Author keywords

Action perception; Body movements; Electromyography; Human robot interaction; Imitative processing; Mirror neuron system; Social cognition; Social robotics

Indexed keywords

ARM MOVEMENT; ARM MUSCLE; ARTICLE; BODY MOVEMENT; ELECTROMYOGRAPHY; HEMISPHERIC DOMINANCE; HUMAN; HUMAN EXPERIMENT; IMITATION; MIRROR NEURON; MOVEMENT PERCEPTION; MUSCLE CONTRACTION; NORMAL HUMAN; ROBOTICS; SOCIAL COGNITION; VISUAL STIMULATION;

EID: 84934923164     PISSN: None     EISSN: 16625161     Source Type: Journal    
DOI: 10.3389/fnhum.2015.00364     Document Type: Article

References (137)

1. Arbib, M. A. (2005). From monkey-like action recognition to human language: an evolutionary framework for neurolinguistics. Behav. Brain Sci. 28, 105-124. doi: 10.1017/S0140525X05000038
2. Arnstein, D., Cui, F., Keysers, C., Maurits, N. M., and Gazzola, V. (2011). μ-suppression during action observation and execution correlates with BOLD in dorsal premotor, inferior parietal, and SI Cortices. J. Neurosci. 31, 14243-14249. doi: 10.1523/JNEUROSCI.0963-11.2011
3. Avenanti, A., Annella, L., Candidi, M., Urgesi, C., and Aglioti, S. M. (2013). Compensatory plasticity in the action observation network: virtual lesions of STS enhance anticipatory simulation of seen actions. Cereb. Cortex 23, 570-580. doi: 10.1093/cercor/bhs040
4. Aziz-Zadeh, L., Koski, L., Zaidel, E., Mazziotta, J., and Iacoboni, M. (2006). Lateralization of the human mirror neuron system.J. Neurosci. 26, 2964-2970. doi: 10.1523/JNEUROSCI.2921-05.2006
5. Baldissera, F., Cavallari, P., Craighero, L., and Fadiga, L. (2001). Modulation of spinal excitability during observation of hand actions in humans. Eur. J. Neurosci. 13, 190-194. doi: 10.1046/j.0953-816x.2000.01368.x
6. Barsalou, L. W. (1999). Perceptions of perceptual symbols. Behav. Brain Sci. 22, 637-660. doi: 10.1017/S0140525X99532147
7. Barsalou, L. W. (2008). Grounded cognition. Annu. Rev. Psychol. 59, 617-645. doi: 10.1146/annurev.psych.59.103006.093639
8. Berger, S. M., and Hadley, S. W. (1975). Some effects of a model's performance on an observer's electromyographic activity.Am. J. Psychol. 88, 263-276. doi: 10.2307/1421596
9. Blakemore, S.-J., and Decety, J. (2001). From the perception of action to the understanding of intention. Nat. Rev. Neurosci.2, 561-567. doi: 10.1038/35086023
10. Borroni, P., and Baldissera, F. (2008). Activation of motor pathways during observation and execution of hand movements.Soc. Neurosci. 3, 276-288. doi: 10.1080/17470910701515269
11. Borroni, P., Montagna, M., Cerri, G., and Baldissera, F. (2008). Bilateral motor resonance evoked by observation of a one-hand movement: role of the primary motor cortex. Eur. J. Neurosci. 28, 1427-1435. doi: 10.1111/j.1460-9568.2008.06458.x
12. Bouquet, C. A., Gaurier, V., Shipley, T., Toussaint, L., and Blandin, Y. (2007). Influence of the perception of biological or non-biological motion on movement execution. J. Sports Sci. 25, 519-530. doi: 10.1080/02640410600946803
13. Brass, M., Bekkering, H., Wohlschläger, A., and Prinz, W. (2000). Compatibility between observed and executed finger movements: comparing symbolic, spatial, and imitative cues. Brain Cogn. 44, 124-143. doi: 10.1006/brcg.2000.1225
14. Brass, M., and Heyes, C. (2005). Imitation: is cognitive neuroscience solving the correspondence problem?Trends Cogn. Sci. 9, 489-495. doi: 10.1016/j.tics.2005.08.007
15. Buccino, G., Lui, F., Canessa, N., Patteri, I., Lagravinese, G., Benuzzi, F., et al. (2004). Neural circuits involved in the recognition of actions performed by nonconspecifics: an fMRI study. J. Cogn. Neurosci. 16, 114-126. doi: 10.1162/089892904322755601
16. Caetano, G., Jousmäki, V., and Hari, R. (2007). Actor's and observer's primary motor cortices stabilize similarly after seen or heard motor actions. Proc. Natl. Acad. Sci. U.S.A. 104, 9058-9062. doi: 10.1073/pnas.0702453104
17. Calvo-Merino, B., Grèzes, J., Glaser, D. E., Passingham, R. E., and Haggard, P. (2006). Seeing or doing? Influence of visual and motor familiarity in action observation. Curr. Biol. 16, 1905-1910. doi: 10.1016/j.cub.2006.07.065
18. Carr, E. W., and Winkielman, P. (2014). When mirroring is both simple and "smart": how mimicry can be embodied, adaptive, and non-representational. Front. Hum. Neurosci. 8:505. doi: 10.3389/fnhum.2014.00505
19. Carr, L., Iacoboni, M., Dubeau, M.-C., Mazziotta, J. C., and Lenzi, G. L. (2003). Neural mechanisms of empathy in humans: a relay from neural systems for imitation to limbic areas. Proc. Natl. Acad. Sci. U.S.A. 100, 5497-5502. doi: 10.1073/pnas.0935845100
20. Carter, E. J., Hodgins, J. K., and Rakison, D. H. (2011). Exploring the neural correlates of goal-directed action and intention understanding. Neuroimage 54, 1634-1642. doi: 10.1016/j.neuroimage.2010.08.077
21. Casile, A., Dayan, E., Caggiano, V., Hendler, T., Flash, T., and Giese, M. A. (2010). Neuronal encoding of human kinematic invariants during action observation. Cereb. Cortex 20, 1647-1655. doi: 10.1093/cercor/bhp229
22. Casile, A., and Giese, M. A. (2006). Nonvisual motor training influences biological motion perception. Curr. Biol. 16, 69-74. doi: 10.1016/j.cub.2005.10.071
23. Chaminade, T., and Cheng, G. (2009). Social cognitive neuroscience and humanoid robotics. J. Physiol. (Paris) 103, 286-295. doi: 10.1016/j.jphysparis.2009.08.011
24. Chaminade, T., Franklin, D. W., Oztop, E., and Cheng, G. (2005). "Motor interference between humans and humanoid robots: effect of biological and artificial motion," in Proceedings of the 4th International Conference on Development and Learning, (Osaka: IEEE), 96-101. doi: 10.1109/DEVLRN.2005.1490951
25. Chaminade, T., and Hodgins, J. K. (2006). Artificial agents in social cognitive sciences. Interact. Stud. 7, 347-353. doi: 10.1075/is.7.3.07cha
26. Chaminade, T., Hodgins, J., and Kawato, M. (2007). Anthropomorphism influences perception of computer-animated characters' actions. Soc. Cogn. Affect. Neurosci. 2, 206-216. doi: 10.1093/scan/nsm017
27. Chartrand, T. L., and Bargh, J. A. (1999). The chameleon effect: the perception-behavior link and social interaction. J. Pers. Soc. Psychol. 76, 893-910. doi: 10.1037/0022-3514.76.6.893
28. Christensen, A., Ilg, W., and Giese, M. A. (2011). Spatiotemporal tuning of the facilitation of biological motion perception by concurrent motor execution. J. Neurosci. 31, 3493-3499. doi: 10.1523/JNEUROSCI.4277-10.2011
29. Churchland, M. M., Cunningham, J. P., Kaufman, M. T., Foster, J. D., Nuyujukian, P., Ryu, S. I., et al. (2012). Neural population dynamics during reaching. Nature 487, 51-56. doi: 10.1038/nature11129
30. Cochin, S., Barthelemy, C., Roux, S., and Martineau, J. (1999). Observation and execution of movement: similarities demonstrated by quantified electroencephalography. Eur. J. Neurosci. 11, 1839-1842. doi: 10.1046/j.1460-9568.1999.00598.x
31. Cook, R., Bird, G., Catmur, C., Press, C., and Heyes, C. (2014). Mirror neurons: from origin to function. Behav. Brain Sci. 37, 177-192. doi: 10.1017/S0140525X13000903
32. Coradeschi, S., Ishiguro, H., Asada, M., Shapiro, S. C., Thielscher, M., Breazeal, C., et al. (2006). Human-inspired robots. IEEE Intell. Syst. 21, 74-85. doi: 10.1109/MIS.2006.72
33. Craighero, L., Fadiga, L., Rizzolatti, G., and Umiltà, C. (1998). Visuomotor priming. Vis. Cogn. 5, 109-125. doi: 10.1080/713756780
34. Craighero, L., Fadiga, L., Umiltà, C. A., and Rizzolatti, G. (1996). Evidence for visuomotor priming effect. Neuroreport 8, 347-349. doi: 10.1097/00001756-199612200-00068
35. Crescentini, C., Mengotti, P., Grecucci, A., and Rumiati, R. I. (2011). The effect of observed biological and non biological movements on action imitation: an fMRI study. Brain Res. 1420, 80-92. doi: 10.1016/j.brainres.2011.08.077
36. Cross, E. S., de C. Hamilton, A. F., and Grafton, S. T. (2006). Building a motor simulation de novo: observation of dance by dancers. Neuroimage 31, 1257-1267. doi: 10.1016/j.neuroimage.2006.01.033
37. Cross, E. S., Liepelt, R., de C. Hamilton, A. F., Parkinson, J., Ramsey, R., Stadler, W., et al. (2012). Robotic movement preferentially engages the action observation network. Hum. Brain Mapp. 33, 2238-2254. doi: 10.1002/hbm.21361
38. Cross, K. A., and Iacoboni, M. (2014). To imitate or not: avoiding imitation involves preparatory inhibition of motor resonance. Neuroimage 91, 228-236. doi: 10.1016/j.neuroimage.2014.01.027
39. Cross, K. A., Torrisi, S., Reynolds Losin, E. A., and Iacoboni, M. (2013). Controlling automatic imitative tendencies: interactions between mirror neuron and cognitive control systems. Neuroimage 83, 493-504. doi: 10.1016/j.neuroimage.2013.06.060
40. Dautenhahn, K. (2007). Socially intelligent robots: dimensions of human-robot interaction. Philos. Trans. R. Soc. B Biol. Sci.362, 679-704. doi: 10.1098/rstb.2006.2004
41. de Morree, H. M., and Marcora, S. M. (2010). The face of effort: frowning muscle activity reflects effort during a physical task.Biol. Psychol. 85, 377-382. doi: 10.1016/j.biopsycho.2010.08.009
42. Dimberg, U. (1982). Facial reactions to facial expressions. Psychophysiology 19, 643-647. doi: 10.1111/j.1469-8986.1982.tb02516.x
43. Dinstein, I., Hasson, U., Rubin, N., and Heeger, D. J. (2007). Brain areas selective for both observed and executed movements.J. Neurophysiol. 98, 1415-1427. doi: 10.1152/jn.00238.2007
44. Engel, A., Burke, M., Fiehler, K., Bien, S., and Rösler, F. (2008). How moving objects become animated: the human mirror neuron system assimilates non-biological movement patterns. Soc. Neurosci. 3, 368-387. doi: 10.1080/17470910701612793
45. Fadiga, L., Craighero, L., and Olivier, E. (2005). Human motor cortex excitability during the perception of others' action. Curr. Opin. Neurobiol. 15, 213-218. doi: 10.1016/j.conb.2005.03.013
46. Fadiga, L., Fogassi, L., Pavesi, G., and Rizzolatti, G. (1995). Motor facilitation during action observation: a magnetic stimulation study. J. Neurophysiol. 73, 2608-2611.
47. Felleman, D. J., and Essen, D. C. V. (1991). Distributed hierarchical processing in the primate. Cereb. Cortex 1, 1-47. doi: 10.1093/cercor/1.1.1
48. Fleischer, F., Caggiano, V., Thier, P., and Giese, M. A. (2013). Physiologically inspired model for the visual recognition of transitive hand actions. J. Neurosci. 33, 6563-6580. doi: 10.1523/JNEUROSCI.4129-12.2013
49. Franz, E. A., Ford, S., and Werner, S. (2007). Brain and cognitive processes of imitation in bimanual situations: making inferences about mirror neuron systems. Brain Res. 1145, 138-149. doi: 10.1016/j.brainres.2007.01.136
50. Gallese, V., Fadiga, L., Fogassi, L., and Rizzolatti, G. (1996). Action recognition in the premotor cortex. Brain 119, 593-609. doi: 10.1093/brain/119.2.593
51. Gazzola, V., Rizzolatti, G., Wicker, B., and Keysers, C. (2007). The anthropomorphic brain: the mirror neuron system responds to human and robotic actions. Neuroimage 35, 1674-1684. doi: 10.1016/j.neuroimage.2007.02.003
52. Giese, M. A., and Poggio, T. (2003). Neural mechanisms for the recognition of biological movements. Nat. Rev. Neurosci. 4, 179-192. doi: 10.1038/nrn1057
53. Gilaie-Dotan, S., Bentin, S., Harel, M., Rees, G., and Saygin, A. P. (2011). Normal form from biological motion despite impaired ventral stream function. Neuropsychologia 49, 1033-1043. doi: 10.1016/j.neuropsychologia.2011.01.009
54. Gowen, E., and Poliakoff, E. (2012). How does visuomotor priming differ for biological and non-biological stimuli? A review of the evidence. Psychol. Res. 76, 407-420. doi: 10.1007/s00426-011-0389-5
55. Grafton, S. T. (2009). Embodied cognition and the simulation of action to understand others. Ann. N. Y. Acad. Sci. 1156, 97-117. doi: 10.1111/j.1749-6632.2009.04425.x
56. Hamilton, A. F. C. (2013). Reflecting on the mirror neuron system in autism: a systematic review of current theories. Dev. Cogn. Neurosci. 3, 91-105. doi: 10.1016/j.dcn.2012.09.008
57. Hari, R., Bourguignon, M., Piitulainen, H., Smeds, E., Tiège, X. D., and Jousmäki, V. (2014). Human primary motor cortex is both activated and stabilized during observation of other person's phasic motor actions. Philos. Trans. R. Soc. B Biol. Sci.369:20130171. doi: 10.1098/rstb.2013.0171
58. Hari, R., Forss, N., Avikainen, S., Kirveskari, E., Salenius, S., and Rizzolatti, G. (1998). Activation of human primary motor cortex during action observation: a neuromagnetic study. Proc. Natl. Acad. Sci. U.S.A. 95, 15061-15065. doi: 10.1073/pnas.95.25.15061
59. Hasson, U., Ghazanfar, A. A., Galantucci, B., Garrod, S., and Keysers, C. (2012). Brain-to-brain coupling: a mechanism for creating and sharing a social world. Trends Cogn. Sci. 16, 114-121. doi: 10.1016/j.tics.2011.12.007
60. Hayes, C. J., Crowell, C. R., and Riek, L. D. (2013). "Automatic processing of irrelevant co-speech gestures with human but not robot actors," in Proceedings of the eigth ACM/IEEE International Conference on Human-robot Interaction HRI '13(Piscataway, NJ: IEEE Press), 333-340. doi: 10.1109/hri.2013.6483607
61. Heyes, C. (2011). Automatic imitation. Psychol. Bull. 137, 463-483. doi: 10.1037/a0022288
62. Hickok, G. (2009). Eight problems for the mirror neuron theory of action understanding in monkeys and humans. J. Cogn. Neurosci. 21, 1229-1243. doi: 10.1162/jocn.2009.21189
63. Hoehn-Saric, R., Hazlett, R. L., Pourmotabbed, T., and McLeod, D. R. (1997). Does muscle tension reflect arousal? Relationship between electromyographic and electroencephalographic recordings. Psychiatry Res. 71, 49-55. doi: 10.1016/S0165-1781(97)00037-1
64. Hofree, G., Ruvolo, P., Bartlett, M. S., and Winkielman, P. (2014). Bridging the mechanical and the human mind: spontaneous mimicry of a physically present android. PLoS ONE 9:e99934. doi: 10.1371/journal.pone.0099934
65. Iacoboni, M. (2009). Imitation, empathy, and mirror neurons. Annu. Rev. Psychol. 60, 653-670. doi: 10.1146/annurev.psych.60.110707.163604
66. Iacoboni, M., and Dapretto, M. (2006). The mirror neuron system and the consequences of its dysfunction. Nat. Rev. Neurosci. 7, 942-951. doi: 10.1038/nrn2024
67. Iacoboni, M., Woods, R. P., Brass, M., Bekkering, H., Mazziotta, J. C., and Rizzolatti, G. (1999). Cortical mechanisms of human imitation. Science 286, 2526-2528. doi: 10.1126/science.286.5449.2526
68. Ishiguro, H. (2006). Android science: conscious and subconscious recognition. Connect. Sci. 18, 319-332. doi: 10.1080/09540090600873953
69. Jarrett, C. (2012). Mirror Neurons: The Most Hyped Concept in Neuroscience? Psychology Today. Available at:https://www.psychologytoday.com/blog/brain-myths/201212/mirror-neurons-the-most-hyped-concept-in-neuroscience[accessed March 11, 2015].
70. Järveläinen, J., Schürmann, M., Avikainen, S., and Hari, R. (2001). Stronger reactivity of the human primary motor cortex during observation of live rather than video motor acts. Neuroreport 12, 3493-3495. doi: 10.1097/00001756-200111160-00024
71. Jastorff, J., and Orban, G. A. (2009). Human functional magnetic resonance imaging reveals separation and integration of shape and motion cues in biological motion processing. J. Neurosci. 29, 7315-7329. doi: 10.1523/JNEUROSCI.4870-08.2009
72. Kahn, J., Peter H., Ishiguro, H., Friedman, B., Kanda, T., Freier, N. G., et al. (2007). What is a human? Toward psychological benchmarks in the field of human-robot interaction. Interact. Stud. 8, 363-390. doi: 10.1075/is.8.3.04kah
73. Kalaska, J. F. (2009). From intention to action: motor cortex and the control of reaching movements. Prog. Mot. Control 139-178. doi: 10.1007/978-0-387-77064-2_8
74. Kanda, T., Miyashita, T., Osada, T., Haikawa, Y., and Ishiguro, H. (2008). Analysis of humanoid appearances in human #x2013;Robot interaction. IEEE Trans. Robot 24, 725-735. doi: 10.1109/TRO.2008.921566
75. Kilner, J. M., Friston, K. J., and Frith, C. D. (2007). Predictive coding: an account of the mirror neuron system. Cogn. Process.8, 159-166. doi: 10.1007/s10339-007-0170-2
76. Kilner, J. M., and Frith, C. D. (2007). A possible role for primary motor cortex during action observation. Proc. Natl. Acad. Sci. U.S.A. 104, 8683-8684. doi: 10.1073/pnas.0702937104
77. Kilner, J. M., and Lemon, R. N. (2013). What we know currently about mirror neurons. Curr. Biol. 23, R1057-R1062. doi: 10.1016/j.cub.2013.10.051
78. Kilner, J. M., Marchant, J. L., and Frith, C. D. (2009). Relationship between activity in human primary motor cortex during action observation and the mirror neuron system. PLoS ONE 4:e4925. doi: 10.1371/journal.pone.0004925
79. Kilner, J. M., Paulignan, Y., and Blakemore, S.-J. (2003). An interference effect of observed biological movement on action.Curr. Biol. 13, 522-525. doi: 10.1016/S0960-9822(03)00165-9
80. Koski, L., Iacoboni, M., Dubeau, M.-C., Woods, R. P., and Mazziotta, J. C. (2003). Modulation of cortical activity during different imitative behaviors. J. Neurophysiol. 89, 460-471. doi: 10.1152/jn.00248.2002
81. Kupferberg, A., Huber, M., Helfer, B., Lenz, C., Knoll, A., and Glasauer, S. (2012). Moving just like you: motor interference depends on similar motility of agent and observer. PLoS ONE 7:e39637. doi: 10.1371/journal.pone.0039637
82. Leighton, J., Bird, G., Orsini, C., and Heyes, C. (2010). Social attitudes modulate automatic imitation. J. Exp. Soc. Psychol. 46, 905-910. doi: 10.1016/j.jesp.2010.07.001
83. Li, A. X., Florendo, M., Miller, L. E., Ishiguro, H., and Saygin, A. P. (2015). "Robot form and motion influences social attention," in Proceedings of the Tenth Annual ACM/IEEE International Conference on Human-Robot Interaction HRI '15(New York, NY: ACM), 43-50. doi: 10.1145/2696454.2696478
84. Liepelt, R., Prinz, W., and Brass, M. (2010). When do we simulate non-human agents? Dissociating communicative and non-communicative actions. Cognition 115, 426-434. doi: 10.1016/j.cognition.2010.03.003
85. Lingnau, A., Gesierich, B., and Caramazza, A. (2009). Asymmetric fMRI adaptation reveals no evidence for mirror neurons in humans. Proc. Natl. Acad. Sci. U.S.A. 106, 9925-9930. doi: 10.1073/pnas.0902262106
86. Longo, M. R., Schüür, F., Kammers, M. P. M., Tsakiris, M., and Haggard, P. (2008). What is embodiment? A psychometric approach. Cognition 107, 978-998. doi: 10.1016/j.cognition.2007.12.004
87. Lu, C., and Proctor, R. W. (1995). The influence of irrelevant location information on performance: a review of the Simon and spatial Stroop effects. Psychon. Bull. Rev. 2, 174-207. doi: 10.3758/BF03210959
88. MacDorman, K. F., and Ishiguro, H. (2006). The uncanny advantage of using androids in cognitive and social science research.Interact. Stud. 7, 297-337. doi: 10.1075/is.7.3.03mac
89. Marshall, P. J., and Meltzoff, A. N. (2014). Neural mirroring mechanisms and imitation in human infants. Philos. Trans. R. Soc. Lond. B Biol. Sci. 369:20130620. doi: 10.1098/rstb.2013.0620
90. Mcbride, J., Boy, F., Husain, M., and Sumner, P. (2012). Automatic motor activation in the executive control of action. Front. Hum. Neurosci. 6:82. doi: 10.3389/fnhum.2012.00082
91. McDonnell, R., Breidt, M., and Bülthoff, H. H. (2012). Render me real? investigating the effect of render style on the perception of animated virtual humans. ACM Trans. Graph. 31, 91:1-91:11. doi: 10.1145/2185520.2185587
92. Miller, L. E., and Saygin, A. P. (2013). Individual differences in the perception of biological motion: links to social cognition and motor imagery. Cognition 128, 140-148. doi: 10.1016/j.cognition.2013.03.013
93. Molenberghs, P., Cunnington, R., and Mattingley, J. B. (2009). Is the mirror neuron system involved in imitation? A short review and meta-analysis. Neurosci. Biobehav. Rev. 33, 975-980. doi: 10.1016/j.neubiorev.2009.03.010
94. Moody, E. J., and McIntosh, D. N. (2011). Mimicry of dynamic emotional and motor-only stimuli. Soc. Psychol. Personal. Sci.2, 679-686. doi: 10.1177/1948550611406741
95. Mukamel, R., Ekstrom, A. D., Kaplan, J., Iacoboni, M., and Fried, I. (2010). Single-neuron responses in humans during execution and observation of actions. Curr. Biol. 20, 750-756. doi: 10.1016/j.cub.2010.02.045
96. Nelissen, K., Borra, E., Gerbella, M., Rozzi, S., Luppino, G., Vanduffel, W., et al. (2011). Action observation circuits in the macaque monkey cortex. J. Neurosci. 31, 3743-3756. doi: 10.1523/JNEUROSCI.4803-10.2011
97. Nelissen, K., Luppino, G., Vanduffel, W., Rizzolatti, G., and Orban, G. A. (2005). Observing others: multiple action representation in the frontal lobe. Science 310, 332-336. doi: 10.1126/science.1115593
98. Neuper, C., Scherer, R., Wriessnegger, S., and Pfurtscheller, G. (2009). Motor imagery and action observation: modulation of sensorimotor brain rhythms during mental control of a brain-computer interface. Clin. Neurophysiol. 120, 239-247. doi: 10.1016/j.clinph.2008.11.015
99. Niedenthal, P. M. (2007). Embodying emotion. Science 316, 1002-1005. doi: 10.1126/science.1136930
100. Oberman, L. M., McCleery, J. P., Ramachandran, V. S., and Pineda, J. A. (2007). EEG evidence for mirror neuron activity during the observation of human and robot actions: toward an analysis of the human qualities of interactive robots.Neurocomputing 70, 2194-2203. doi: 10.1016/j.neucom.2006.02.024
101. Oztop, E., Kawato, M., and Arbib, M. (2006). Mirror neurons and imitation: a computationally guided review. Neural Netw. 19, 254-271. doi: 10.1016/j.neunet.2006.02.002
102. Peddireddi, L. (2009). Motion Detection in a Video. Available at:http://www.mathworks.com/matlabcentral/fileexchange/18151-motion-detection-in-a-video
103. Pelphrey, K. A., Mitchell, T. V., McKeown, M. J., Goldstein, J., Allison, T., and McCarthy, G. (2003). Brain activity evoked by the perception of human walking: controlling for meaningful coherent motion. J. Neurosci. 23, 6819-6825.
104. Press, C., Bird, G., Flach, R., and Heyes, C. (2005). Robotic movement elicits automatic imitation. Cogn. Brain Res. 25, 632-640. doi: 10.1016/j.cogbrainres.2005.08.020
105. Press, C., Cook, J., Blakemore, S.-J., and Kilner, J. (2011). Dynamic modulation of human motor activity when observing actions. J. Neurosci. 31, 2792-2800. doi: 10.1523/JNEUROSCI.1595-10.2011
106. Press, C., Gillmeister, H., and Heyes, C. (2007). Sensorimotor experience enhances automatic imitation of robotic action.Proc. R. Soc. B Biol. Sci. 274, 2509-2514. doi: 10.1098/rspb.2007.0774
107. Press, C., Ray, E., and Heyes, C. (2009). Imitation of lateralised body movements: doing it the hard way. Laterality 14, 515-527. doi: 10.1080/13576500802607990
108. Prinz, W. (1987). "Ideo-motor action," in Perspectives on Perception and Action, eds H. Heuer and A. F. Sanders (Hillsdale, NJ: Lawrence Erlbaum Associates, Inc.), 47-76.
109. Ramachandran, V. S. (2012). The Tell-Tale Brain: A Neuroscientist's Quest for What Makes us Human. New York, NY: W. W. Norton & Company.
110. Riek, L. D. (2013). "The social co-robotics problem space: six key challenges," in Proceedings of Robotics: Science, and Systems (RSS), Robotics Challenge and Visions, Berlin.
111. Rizzolatti, G., and Craighero, L. (2004). The mirror-neuron system. Annu. Rev. Neurosci. 27, 169-192. doi: 10.1146/annurev.neuro.27.070203.144230
112. Rizzolatti, G., Fadiga, L., Gallese, V., and Fogassi, L. (1996). Premotor cortex and the recognition of motor actions. Brain Res. Cogn. Brain Res. 3, 131-141. doi: 10.1016/0926-6410(95)00038-0
113. Rizzolatti, G., Fogassi, L., and Gallese, V. (2001). Neurophysiological mechanisms underlying the understanding and imitation of action. Nat. Rev. Neurosci. 2, 661-670. doi: 10.1038/35090060
114. Santucci, D. M., Kralik, J. D., Lebedev, M. A., and Nicolelis, M. A. L. (2005). Frontal and parietal cortical ensembles predict single-trial muscle activity during reaching movements in primates. Eur. J. Neurosci. 22, 1529-1540. doi: 10.1111/j.1460-9568.2005.04320.x
115. Sasaki, A. T., Kochiyama, T., Sugiura, M., Tanabe, H. C., and Sadato, N. (2012). Neural networks for action representation: a functional magnetic-resonance imaging and dynamic causal modeling study. Front. Hum. Neurosci. 6:236. doi: 10.3389/fnhum.2012.00236
116. Saygin, A. P. (2012). "Biological motion perception and the brain: neuropsychological and neuroimaging studies," in Visual Perception of the Human Body in Motion: Findings, Theory, and Practice Oxford Series in Visual Cognition, eds K. L. Johnson and M. Shiffrar (Oxford: Oxford University Press).
117. Saygin, A. P., Chaminade, T., Ishiguro, H., Driver, J., and Frith, C. (2012). The thing that should not be: predictive coding and the uncanny valley in perceiving human and humanoid robot actions. Soc. Cogn. Affect. Neurosci. 7, 413-422. doi: 10.1093/scan/nsr025
118. Saygin, A. P., Chaminade, T., Urgen, B. A., and Ishiguro, H. (2011). "Cognitive neuroscience and robotics: a mutually beneficial joining of forces," in Robotics: Science and Systems (RSS), Refereed workshop on Human-Robot Interaction: Perspectives and Contributions to Robotics from the Human Science, ed. L. Takayama (Los Angeles, CA: MIT Press).
119. Saygin, A. P., and Stadler, W. (2012). The role of appearance and motion in action prediction. Psychol. Res. 76, 388-394. doi: 10.1007/s00426-012-0426-z
120. Saygin, A. P., Wilson, S. M., Dronkers, N. F., and Bates, E. (2004a). Action comprehension in aphasia: linguistic and non-linguistic deficits and their lesion correlates. Neuropsychologia 42, 1788-1804. doi: 10.1016/j.neuropsychologia.2004.04.016
121. Saygin, A. P., Wilson, S. M., Hagler, D. J., Bates, E., and Sereno, M. I. (2004b). Point-light biological motion perception activates human premotor cortex. J. Neurosci. 24, 6181-6188. doi: 10.1523/JNEUROSCI.0504-04.2004
122. Shenoy, K. V., Sahani, M., and Churchland, M. M. (2013). Cortical control of arm movements: a dynamical systems perspective. Annu. Rev. Neurosci. 36, 337-359. doi: 10.1146/annurev-neuro-062111-150509
123. Shimada, S. (2010). Deactivation in the sensorimotor area during observation of a human agent performing robotic actions.Brain Cogn. 72, 394-399. doi: 10.1016/j.bandc.2009.11.005
124. Shimazu, H., Maier, M. A., Cerri, G., Kirkwood, P. A., and Lemon, R. N. (2004). Macaque ventral premotor cortex exerts powerful facilitation of motor cortex outputs to upper limb motoneurons. J. Neurosci. 24, 1200-1211. doi: 10.1523/JNEUROSCI.4731-03.2004
125. Simpson, E. A., Murray, L., Paukner, A., and Ferrari, P. F. (2014). The mirror neuron system as revealed through neonatal imitation: presence from birth, predictive power and evidence of plasticity. Philos. Trans. R. Soc. Lond. B Biol. Sci. 369, 20130289. doi: 10.1098/rstb.2013.0289
126. Stürmer, B., Aschersleben, G., and Prinz, W. (2000). Correspondence effects with manual gestures and postures: a study of imitation. J. Exp. Psychol. Hum. Percept. Perform. 26, 1746-1759. doi: 10.1037/0096-1523.26.6.1746
127. Tai, Y. F., Scherfler, C., Brooks, D. J., Sawamoto, N., and Castiello, U. (2004). The human premotor cortex is "mirror" only for biological actions. Curr. Biol. 14, 117-120. doi: 10.1016/j.cub.2004.01.005
128. Tassinary, L. G., and Cacioppo, J. T. (2000). The skeletomotor system: surface electromyography. Handb. Psychophysiol. 2, 163-199.
129. Thoroughman, K. A., and Shadmehr, R. (1999). Electromyographic correlates of learning an internal model of reaching movements. J. Neurosci. 19, 8573-8588.
130. Urgen, B. A., Li, A. X., Berka, C., Kutas, M., Ishiguro, H., and Saygin, A. P. (2015). "Predictive coding and uncanny valley: evidence from electrical brain activity," in Cognition: A Bridge between Robotics and Interaction workshop, 10th ACM/IEEE International Conference on Human-Robot Interaction (HRI), Portland, OR.
131. Urgen, B. A., Poizner, H., and Saygin, A. P. (2013). EEG theta and Mu oscillations during perception of human and robot actions. Front. Neurorobotics 7:19. doi: 10.3389/fnbot.2013.00019
132. van Kemenade, B. M., Muggleton, N., Walsh, V., and Saygin, A. P. (2012). Effects of TMS over premotor and superior temporal cortices on biological Motion perception. J. Cogn. Neurosci. 24, 896-904. doi: 10.1162/jocn_a_00194
133. Vigneswaran, G., Philipp, R., Lemon, R. N., and Kraskov, A. (2013). M1 corticospinal mirror neurons and their role in movement suppression during action observation. Curr. Biol. 23, 236-243. doi: 10.1016/j.cub.2012.12.006
134. Watanabe, K. (2008). Behavioral speed contagion: automatic modulation of movement timing by observation of body movements. Cognition 106, 1514-1524. doi: 10.1016/j.cognition.2007.06.001
135. Weyers, P., Mühlberger, A., Hefele, C., and Pauli, P. (2006). Electromyographic responses to static and dynamic avatar emotional facial expressions. Psychophysiology 43, 450-453. doi: 10.1111/j.1469-8986.2006.00451.x
136. Wilson, M. (2002). Six views of embodied cognition. Psychon. Bull. Rev. 9, 625-636. doi: 10.3758/BF03196322
137. Winkielman, P., Niedenthal, P., Wielgosz, J., Eelen, J., and Kavanagh, L. C. (2015). "Embodiment of cognition and emotion," inAPA handbook of Personality and Social Psychology, Vol. 1, Attitudes and Social Cognition APA Handbooks in Psychology, eds M. Mikulincer, P. R. Shaver, E. Borgida, and J. A. Bargh (Washington, DC: American Psychological Association), 151-175. doi: 10.1037/14341-004