Trick Lana M
Department of Psychology, University of Guelph, Guelph, ON, N1G 2W1 Canada.
Psychon Bull Rev. 2005 Aug;12(4):675-81. doi: 10.3758/bf03196757.
Articulatory suppression (repeatedly pronouncing a syllable or word while carrying out another task) is thought to interfere selectively with the phonological store in working memory. Although suppression interferes with temporal enumeration (enumerating successive light flashes), to date there has been little evidence of such interference in spatial enumeration (enumerating units laid out in space at one time)--a finding with serious ramifications for theories of enumeration. Participants carried out a spatial enumeration task, enumerating 1-8 dots while listening to a metronome (baseline condition) or while carrying out a secondary task to the rhythm of the metronome (dual-task condition). There were four secondary tasks: simple articulation (saying a letter), complex articulation (alternating between two letters), simple tapping (tapping a finger), and complex tapping (alternating between two fingers). Interference varied with number of items, but the pattern differed from that observed with temporal enumeration.
发音抑制（在执行另一项任务时反复念一个音节或单词）被认为会选择性地干扰工作记忆中的语音存储。尽管抑制会干扰时间计数（对连续的闪光进行计数），但迄今为止，几乎没有证据表明这种干扰会出现在空间计数中（一次性对排列在空间中的单元进行计数）——这一发现对计数理论具有严重的影响。参与者进行了一项空间计数任务，在听节拍器的同时（基线条件）或按照节拍器的节奏执行第二项任务时（双任务条件），对1至8个点进行计数。有四项第二项任务：简单发音（说出一个字母）、复杂发音（在两个字母之间交替）、简单敲击（用手指敲击）和复杂敲击（在两个手指之间交替）。干扰随项目数量而变化，但模式与时间计数中观察到的不同。
