Title: The uncanny valley effect in typically developing children and its absence in children with autism spectrum disorders Authors: Shuyuan Feng, Xueqin Wang, Qiandong Wang, Jing Fang, Yaxue Wu, Li Yi*, & Kunlin Wei* Contents: behavior and eye movement data Descriptions for the data set The data folder contains two folders called “behavior” and “eye movement” that includes the behavioral and the eye movement data respectively. Both the behavioral data and the eye movement data includes two file folders named “TD” and “ASD”, which contains the data of the two groups. For the behavioral data, each mat file contains the data of a subject and the file name is the number of the subject (e.g., “1.mat” is the data of subject 1). Each file has 90 rows and 4 columns. Each row records one trial and the first two columns are the numbers of the images presented on the left and right half of the screen, the third column is the number of the image chosen by the participant, and the fourth column is the response time of the participants. Numbers of the images were from 1 to 10 among which 1 to 3 denote the three cartoon faces with eye sizes of 100%, 125%, and 150%, 4 to 7 denote the morphed faces with human realism of 20%, 40%, 60% and 80%, 8 to 10 denote the three human faces with eye sizes of 100%, 125%, and 150%. For the eye movement data, each file contains the eye movement data of one trial of a subject. The file name is composed of the subject number and the trial number (e.g., “1_1.mat” contains the eye movement data of subject 1’s first trial). Each mat file contains three variables, “Lefteye”, “Righteye”, and “TimeStamp”. Both the “Lefteye” and “Righteye” variables includes 13 columns, please refer to the attached file (“eyedata_column meaning. txt”) for the meaning of each column. Each row denotes a sample recorded by the eye tracker. As the sampling rate of the eye tracker is 120 HZ, it recorded 120 samples within one second. The “TimeStamp” variable has only one column, and each row of it recorded the time within the system of the eye tracker when a sample was recorded. Note that the subject number of the ASD group ranges from 1 to 30, but the data of subjects 21, 23, 25, 29 were not available, the subject number of the TD group ranges from 101 to 128, but the data of subjects 22 and 24 were also not available. Thus, this data set contains data of 26 TD children and 26 ASD children.