Table 1.

A summary of studies on coherent motion in ASD included in the meta-analysis

	Study	ASD		TD		Task type	Stimulus duration	Number of dots	Speed (deg/s)	Diameter (deg)	Lifetime (ms)	Dot density (dots/deg2)	Results
		Age	N	Age	N
1	Annaz et al. (2009)	5–12 years	23	4–12 years	34	CM detection	NS	NS	3.21	NS	NS	NS	ASD < TD
2	Atkinson (2009)	18–58 years	13	17–54 years	16	CM discrimination	200	750	2.0a	~1 mm	NS	5.9a	ASD < TD
3	Brieber et al. (2010)					CM discrimination	1000	300	2.5
4	Chen et al. (2012)	13–18 years	19	13–18 years	17	CM discrimination	300	200	5.25	0.03	Unlimited	5.19a	ASD = TD
5	David et al. (2014)	24–45 years	15	24–45 years	14	CM discrimination	750	N/A	2.4–3.0	0.36	N/A	N/A	ASD = TD
6	Davis et al. (2006)	10–18 years	9	7–15 years	9	CM discrimination	220, 1000	100	6.36	0.1	NS	2.52a	ASD = TD (200 ms) ASD < TD (1000 ms)
7	de Jonge et al. (2007)	7–33 years	29	7–33 years	32	CM detection	NS	NS	NS	1 pixel	NS	NS	ASD = TD
8	Del Viva et al. (2006)	6–14 years	10	6–7 years 8–12 years	12 14	CM discrimination	160	100	10	0.1	66	0.44a	ASD = TD
9	Foss–Feig et al. (2013)	8–17 years	15	8–17 years	17	CM discrimination	NS	N/A	4	1, 2.5, 6	NS	NS	ASD = TD (HC) ASD > TD (LC)
10	Greimel et al. (2013)	9–16 years	17	8–15 years	17	CM discrimination	420	300	5	0.038	NS	3.12	ASD = TD
11	Jones et al. (2011)	14–16 years	89	14–16 years	52	CM detection	<6000	NS	2.5	0.23	40	NS	ASD = TD
12	Koldewyn et al. (2013)	5–12 years	28	5–12 years	26	CM discrimination	1000	100	11	0.2	50	0.64a	ASD = TD
13	Koldewyn et al. (2010)	11–19 years	30	11–19 years	32	CM discrimination	2000	NS	4.5–9	NS	NS	NS	ASD < TD
14	Manning et al. (2013)	7–13 years	28	7–14 years	32	CM detection	1000	200	1.5, 6	0.34	83	0.83	ASD < TD (slow) ASD = TD (fast)
15	Manning et al. (2015)	7–13 years	31	7–13 years	31	CM detection	1000	200	1.5	0.34	83, Unlimited	0.83	ASD = TD
16	Manning et al. (2015)	6–13 years	33	6–13 years	33	CM discrimination	400	100	1.5, 6	0.44	Unlimited	NS	ASD > TD (noise) ASD = TD (no noise)
17	Milne et al. (2002)	9–15 years	25	9–15 years	22	CM discrimination	1010	150	8.8	1 pixel	224	0.3	ASD < TD
18	Milne et al. (2006)	8–12 years	23	8–12 years	23	CM detection	2300	600	7	0.1	85	2.14	ASD = TD except for a particular subgroup
19	Peiker et al. (2015)	24–45 years	13	23–46 years	14	CM discrimination	750	NS	2.4–3.0	0.36	NS	NS	ASD = TD
20	Pellicano and Gibson (2008)	8–12 years	20	8–12 years	20	CM discrimination	600	100	6.3	0.1	30	0.4	ASD < TD
21	Price et al. (2012)	7–23 years	14	7–23 years	16	CM detection	2300	1200	7a	0.1	200	2.1a	AD = TD
22	Robertson et al. (2012)	24 (3.5) years	20	30 (11.7) years	20	CM discrimination	200, 400, 1500	150	5	0.04	~ 50a	1.85	ASD < TD (200 ms) ASD = TD (400, 1500 ms)
23	Robertson et al. (2014)	16–27 years	18	15–23 years	18	CM discrimination	200, 600	150	5	0.04	~ 50a	1.85	ASD < TD (200 ms) ASD = TD (600 ms)
24	Ronconi et al. (2012)	9–18 years	11	11–18 years	11	CM discrimination	300	NS	12	0.05, 0.15	~ 50	17	ASD < TD (central) ASD = TD (peripheral)
25	Spencer and O’Brien (2006)	14 (3.3) years 12 (3.6) years	15 10	12 (2.4) years	15	CM detection	250	N/A	5.8	NS	50	4	ASD < TD AS = TD
26	Spencer et al. (2000)	7–11 years	23	7–11 years	50	CM detection	Self–timed	2000	5.8	NS	17a	4	ASD < TD
27	Tsermentseli et al. (2007)	17–40 years	21	17–40 years 17–40 years	20 20	CM detection	250	N/A	5.8	NS	50	4	ASD < TD AS = TD
28	Yamasaki et al. (2011)	20–39 years	12	20–39 years	12	CM discrimination	750	400	5	0.20	NS	0.16	ASD = TD

CM coherent motion, ASD individuals with ASD, AS individuals with Asperger Syndrome, TD typically developing individuals, NS not specified, HC high contract, LC low contrast, N/A not applicable

^aInformation not explicitly stated, but calculated from the information that was provided