Investigates the effectiveness of non-speech auditory stimuli in eliciting transformations analogous to those reported for speech stimuli to determine if a non-verbal analogue to the verbal transformation effect exists. (DD)

The results of this study of 24 9- and 10-year-old normal children indicated that by 9 years of age, children spontaneously adopt both ear and temporal recall strategies under the same conditions as do adults. The children readily switch from one recall strategy to the other as a function of the rate input of the material. (WY)

Three studies compared effects of different rhythmic contexts on order judgments of targets embedded in auditory patterns designed to manifest auditory stream segregation. The magnitude of the captor effect varied with temporal predictability of flanking and/or target tones. A pairwise rhythm was likely to improve judgments by facilitating…

Four groups of infants, 4 1/2 to 5 1/2 months of age, were presented with repeated speech stimuli which were synthesized exemplars of the sound, "baba," natural exemplars of "baba" or "kaba," or novel syllables on each trial. (RH)

Two experiments using event-related potentials (ERPs) investigated recognition memory in infants. ERPs were recorded to 100 identical aural stimuli. Fifty familiar and 50 novel stimuli were presented 24 hours later. Results suggest that establishment of memory trace involved a process by which responses to repeated events were more consistent when…

This study investigated the effect of auditory feedback alterations on stuttering frequency of 10 adults. At high speech rates, stuttering frequency was significantly reduced under delayed auditory feedback, frequency altered feedback, and a combination. There were no significant differences among the altered feedback conditions. (Author/SW)

Infants between four and eight months of age were tested for their ability to reach for visible and unseen toys that made sounds. Infants reached for toys in the dark under two auditory illusion conditions, the Haas effect and the midline illusion. Results indicated that, by four months of age, infants perceived the Haas effect and the midline…

Cyclical fluctuation in spontaneous motor activity (CM) emerges in fetus and persists in newborn. This "resetting" experiment perturbed CM by noise stimulus during infants' active sleep. Pre- and postperturbation CM were measured and compared. Subjects were 33 infants between 1 and 3 days of age. The stimulus induced a relative slowing of CM…

We examined the effect of stimulus complexity and frequency on infants' attention responses during an auditory habituation procedure. Five stimuli of different complexity and frequency were presented repeatedly to 80 5-month-old infants. Quicker attention-getting and longer attention-holding responses were obtained with the more complex stimuli.…

The phenomenon of attentional capture by a unique yet irrelevant singleton distractor has typically been studied in visual search. In this article, the authors examine whether a similar phenomenon occurs in the auditory domain. Participants searched sequences of sounds for targets defined by frequency, intensity, or duration. The presence of a…

Two partly overlapping frequency glides can be perceived as consisting of a long pitch trajectory accompanied by a short tone in the temporal middle. It was found that the appearance of this middle tone could not be related to peripheral processes concerned with spectral splatter or combination tones that could have emerged during the overlap of…

Participants judged whether two sequential visual events were presented for the "same" length of time or for "different" lengths of time, while ignoring two irrelevant sequential sounds. Sounds could be either the same or different in terms of their duration or their pitch. When the visual stimuli were in conflict with the sound stimuli (e.g.,…

Patients with lesions of the left hemisphere often suffer from oral-facial apraxia, apraxia of speech, and aphasia. In these patients, visual features often play a critical role in speech and language therapy, when pictured lip shapes or the therapist's visible mouth movements are used to facilitate speech production and articulation. This demands…

The assimilation and synthesis of knowledge is essential for students to be successful in chemistry, yet not all students synthesize knowledge as intended. The study used the Learning Preference Checklist to classify students into one of three learning modalities--visual, auditory, or kinesthetic (VAK). It also used the Kolb Learning Style…