Introduction
Study 1: Temporal Bisection of Arousing Face and Wildlife Images in a Typical Adult Population
Method
Participants
Measure | Females (n = 47) | Males (n = 38) | Total (n = 85) | |||
---|---|---|---|---|---|---|
M
|
SD
|
M
|
SD
|
M
|
SD
| |
Age (years; months) | 22;0 | 3.00 | 23;5 | 6.57 | 22;7 | 4.94 |
AQa
| 14.09 | 5.83 | 16.11 | 5.00 | 15.0 | 5.51 |
Materials and Procedure
Temporal Bisection Tasks
Analysis of the Temporal Bisection Data
Results
Autism Spectrum Quotient
Subjective Valence and Arousal Ratings for the Face and Wildlife Data
Valence
|
Arousal
| |||
---|---|---|---|---|
M
|
SD
|
M
|
SD
| |
Face
| ||||
Angry | 3.90 | 1.60 | 3.73 | 1.98 |
Fear | 4.41 | 1.54 | 3.88 | 1.89 |
Happy | 7.16 | 1.33 | 3.40 | 2.07 |
Neutral | 4.99 | 0.68 | 2.45 | 1.48 |
Wildlife
| ||||
Snarl | 3.67 | 1.36 | 4.42 | 1.94 |
Spider | 2.99 | 1.72 | 5.02 | 2.52 |
Puppy | 7.51 | 1.39 | 3.79 | 2.37 |
Flower | 6.50 | 1.41 | 2.38 | 1.81 |
Temporal Bisection: Face
Bisection point
|
Weber ratio
| |||
---|---|---|---|---|
M
|
SD
|
M
|
SD
| |
Face
| ||||
Angry | 967.93 | 155.95 | 0.116 | 0.08 |
Fear | 944.97 | 142.73 | 0.123 | 0.09 |
Happy | 941.66 | 150.34 | 0.120 | 0.08 |
Neutral | 982.82 | 177.04 | 0.131 | 0.13 |
Wildlife
| ||||
Snarl | 945.65 | 174.61 | 0.101 | 0.07 |
Spider | 976.12 | 157.91 | 0.122 | 0.09 |
Puppy | 963.90 | 150.05 | 0.108 | 0.08 |
Flower | 997.29 | 155.34 | 0.123 | 0.08 |
Temporal Bisection: Wildlife
Association Between Temporal Bisection, Weber Ratio and AQ
Study 2: Temporal Bisection of Arousing Face and Wildlife Images in Individuals with ASD and a Matched Comparison Group
Method
Participants
Measure | ASD (n = 20: M = 17; F = 3) | Comparison (n = 26: M = 20; F = 6) |
p
| ||
---|---|---|---|---|---|
M
|
SD
|
M
|
SD
| ||
Age (years; months) | 45;4 | 12.6 | 44;0 | 11.6 |
ns
|
Verbal IQa
| 114.4 | 14.5 | 109.1 | 14.7 |
ns
|
Performance IQa
| 111.0 | 17.8 | 105.6 | 14.3 |
ns
|
Full-Scale IQa
| 114.6 | 16.6 | 108.1 | 15.3 |
ns
|
AQb
| 35.8 | 14.3 | 14.3 | 5.8 | < 0.001
|
Materials and Procedure
Results
Temporal Bisection: Faces
ASD | Comparison | |||||||
---|---|---|---|---|---|---|---|---|
Bisection point
|
Weber ratio
|
Bisection point
|
Weber ratio
| |||||
M
|
SD
|
M
|
SD
|
M
|
SD
|
M
|
SD
| |
Face
| ||||||||
Angry | 906.03 | 148.68 | 0.085 | 0.09 | 1013.17 | 165.28 | 0.113 | 0.09 |
Fear | 959.07 | 169.29 | 0.101 | 0.08 | 990.92 | 186.25 | 0.096 | 0.09 |
Happy | 923.39 | 150.71 | 0.098 | 0.08 | 1012.50 | 153.34 | 0.103 | 0.06 |
Neutral | 969.15 | 146.21 | 0.114 | 0.07 | 1027.86 | 178.83 | 0.112 | 0.07 |
Wildlife
| ||||||||
Snarl | 965.39 | 178.50 | 0.119 | 0.08 | 960.05 | 160.85 | 0.117 | 0.08 |
Spider | 1020.65 | 164.60 | 0.090 | 0.07 | 986.62 | 155.21 | 0.100 | 0.06 |
Puppy | 976.37 | 187.02 | 0.100 | 0.07 | 974.36 | 151.30 | 0.083 | 0.05 |
Flower | 1063.93 | 202.92 | 0.093 | 0.06 | 1007.10 | 204.51 | 0.105 | 0.08 |