Zatorre R J, Halpern A R
Montreal Neurological Institute, McGill University, Quebec, Canada.
Neuropsychologia. 1993 Mar;31(3):221-32. doi: 10.1016/0028-3932(93)90086-f.
Auditory imagery for songs was studied in two groups of patients with left or right temporal-lobe excision for control of epilepsy, and a group of matched normal control subjects. Two tasks were used. In the perceptual task, subjects saw the text of a familiar song and simultaneously heard it sung. On each trial they judged if the second of two capitalized lyrics was higher or lower in pitch than the first. The imagery task was identical in all respects except that no song was presented, so that subjects had to generate an auditory image of the song. The results indicated that all subjects found the imagery task more difficult than the perceptual task, but patients with right temporal-lobe damage performed significantly worse on both tasks than either patients with left temporal-lobe lesions or normal control subjects. These results support the idea that imagery arises from activation of a neural substrate shared with perceptual mechanisms, and provides evidence for a right temporal-lobe specialization for this type of auditory imaginal processing.
对两组因控制癫痫而接受左颞叶或右颞叶切除术的患者以及一组匹配的正常对照受试者进行了歌曲听觉意象的研究。使用了两项任务。在感知任务中，受试者看到一首熟悉歌曲的歌词并同时听到演唱。在每次试验中，他们判断两个大写歌词中第二个的音高比第一个高还是低。意象任务在所有方面都相同，只是不播放歌曲，这样受试者必须生成歌曲的听觉意象。结果表明，所有受试者都发现意象任务比感知任务更难，但右颞叶损伤的患者在这两项任务上的表现明显比左颞叶损伤的患者或正常对照受试者差。这些结果支持了这样一种观点，即意象源于与感知机制共享的神经基质的激活，并为右颞叶在这种听觉意象加工类型上的特化提供了证据。
