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2014 ; 85
(5
): 1795-804
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The Goldilocks effect in infant auditory attention
#MMPMID24990627
Kidd C
; Piantadosi ST
; Aslin RN
Child Dev
2014[Sep]; 85
(5
): 1795-804
PMID24990627
show ga
Infants must learn about many cognitive domains (e.g., language, music) from
auditory statistics, yet capacity limits on their cognitive resources restrict
the quantity that they can encode. Previous research has established that infants
can attend to only a subset of available acoustic input. Yet few previous studies
have directly examined infant auditory attention, and none have directly tested
theorized mechanisms of attentional selection based on stimulus complexity. This
work utilizes model-based behavioral methods that were recently developed to
examine visual attention in infants (e.g., Kidd, Piantadosi, & Aslin, 2012). The
present results demonstrate that 7- to 8-month-old infants selectively attend to
nonsocial auditory stimuli that are intermediately predictable/complex with
respect to their current implicit beliefs and expectations. These findings
provide evidence of a broad principle of infant attention across modalities and
suggest that sound-to-sound transitional statistics heavily influence the
allocation of auditory attention in human infants.