1. At Birth, Humans Associate “Few” with Left and “Many” with Right
Maria Dolores de Hevia, Ludovica Veggiotti, Arlette Streri, Cory D. Bonn 
Current Biology 
Volume 27, Issue 24, Pages e2 (December 2017)
DOI: /j.cub
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2. Figure 1 Methods and Results of Exp. 1, Number, Duration, and Length
Left: (A) Infants are familiarized with a long line and an 18-syllable sequence/long duration and then tested with a 6-syllable sequence/short duration paired with a short line appearing on the left and right sides of the screen in consecutive test trials. (B) Infants are familiarized with a short line and a 6-syllable sequence/short duration and then tested with an 18-syllable sequence/long duration and a long line appearing on the left and right sides of the screen in consecutive test trials.
Right: data are represented as mean and bootstrapped 95% CI. Small dots represent individual data points. Average looking times (seconds) during test trials: infants look longer to the line presented on the left than to the one presented on the right when experiencing a decrease from familiarization (18-syllable sequence/long duration) to test (6-syllable sequence/short duration); conversely, infants look longer to the line presented on the right than to the one presented on the left when experiencing an increase from familiarization (6-syllable sequence/short duration) to test (18-syllable sequence/long duration).
See also Table S1.
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3. Figure 2
Methods and Results of Exp. 2, Duration and Length, and Exp. 3, Length
Top, left: (A) Infants are familiarized with a long line and a long duration and then tested with a short duration paired with a short line appearing on the left and right sides of the screen in consecutive test trials. (B) Infants are familiarized with a short line and a short duration and then tested with a long duration paired with a long line appearing on the left and right sides of the screen in consecutive test trials.
Bottom, left: (A) Infants are familiarized with a long line and then tested with a short line appearing on the left and right sides of the screen in consecutive test trials. (B) Infants are familiarized with a short line and then tested with a long line appearing on the left and right sides of the screen in consecutive test trials.
Top and bottom, right: data are represented as mean and bootstrapped 95% CI. Small dots represent individual data points. Average looking times (seconds) during test trials: infants look equally long to both the left and right lines in test trials across all familiarization conditions.
See also Tables S2 and S3.
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Copyright © 2017 Elsevier Ltd Terms and Conditions

4. Figure 3
Methods and Results of Exp. 4, Number and Length, and Exp. 5, Number and Duration
Top, left: (A) Infants are familiarized with a long line and an 18-syllable sequence and then tested with a 6-syllable sequence paired with a short line appearing on the left and right sides of the screen in consecutive test trials. (B) Infants are familiarized with a short line and a 6-syllable sequence and then tested with an 18-syllable sequence and a long line appearing on the left and right sides of the screen in consecutive test trials. Both numerical sequences are matched in duration.
Bottom, left: (A) Infants are familiarized with a line and an 18-syllable sequence and then tested with a 6-syllable sequence paired with a circle appearing on the left and right sides of the screen in consecutive test trials. (B) Infants are familiarized with a line and a 6-syllable sequence and then tested with an 18-syllable sequence paired with a circle appearing on the left and right sides of the screen in consecutive test trials.
Right: data are represented as mean and bootstrapped 95% CI. Small dots represent individual data points. Average looking times (seconds) during test trials: infants look longer to the figure presented on the left than to the one presented on the right when experiencing a decrease from familiarization (18-syllable sequence) to test (6-syllable sequence); conversely, infants look longer to the figure presented on the right than to the one presented on the left when experiencing an increase from familiarization (6-syllable sequence) to test (18-syllable sequence).
See also Tables S4 and S5.
Current Biology  , e2DOI: ( /j.cub )
Copyright © 2017 Elsevier Ltd Terms and Conditions