Musical score (IMAGE) Universitat Pompeu Fabra - Barcelona Caption Musical score for the familiar stimulus and its pitch-modified versions. One version is shifted one octave higher, while the other is shifted one octave lower Credit UPF Usage Restrictions No restrictions. License CC0 Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.