Table 1.

A summary of the reviewed studies on N400 for action comprehension.

Study	Stimuli	Distribution	Lateralization	Other effects
COMPREHENSION OF EVERYDAY ACTIONS
1. Sitnikova et al. (2003)	Videos	Frontal and Central	Both	N300/LPC
2. Balconi and Caldiroli (2011)	Videos	Frontal and Central	Both
3. Reid and Striano (2008)	Videos	Frontal	Right
4. Sitnikova et al. (2008)	Videos	Frontal and Central	Right	N300/LPC
5. West and Holcomb (2002)	Pictures (Drawings)	Frontal and Central	Right	N300
6. Mudrik et al. (2010)	Pictures (Photos)	Frontal and Central	Both	N300
7. Shibata et al. (2009)	Pictures (Photos)	Parietal	Both	N300/N800
8. Bach et al. (2009)	Pictures (Photos)	Central	Both	LPC
9. Proverbio and Riva (2009)	Pictures (Photos)	Frontal	Both	N250
10. Proverbio et al. (2010)	Pictures (Photos)	Frontal	Both	N2/RP/N230
SPEECH AND CO-SPEECH GESTURES
11. Kelly et al. (2004)	Videos/Auditory Utterances	Frontal	Both	P1-N1/P2
12. Kelly et al. (2007)	Videos/Auditory Utterances	Frontal and Central	Both
13. Kelly et al. (2010)	Videos/Auditory Utterances	Central and Parietal	Both	P2
14. Wu and Coulson (2005)	Videos/Auditory Utterances	Frontal and Central	Both	LPC
15. Holle and Gunter (2007)	Videos/Words	Broadly	Both
16. Ozyurek et al. (2007)	Videos/Auditory Utterances	Frontal	Both	N1-P2/N300
17. Lim et al. (2009)	Videos/Words	Central and Parietal	Both
18. Cornejo et al. (2009)	Videos/Auditory Utterances	Frontal	Left	LPC
19. Ibanez et al. (2011a,b)	Videos/Auditory Utterances	Frontal	Left	LPC
20. Ibanez et al. (2010)	Videos/Auditory Utterances	Frontal	Left	LPC
CURRENT MOTOR EVENTS
21. Van Elk et al. (2008)	Words/Motor Task	Frontal and Central	Both
22. Aravena et al. (2010)	Auditory Utterances/Motor Task	Central	Both	MP/RAP
23. Ibanez et al. (2012b)	Auditory Utterances/Motor Task	Frontal and Central	Left	MP