* Verbal Sequential Memory Test: Diotic test in which the syllables PA TA CA and FA are presented without visualcues, and the patients are instructed to repeat the sequence that has been presented.
* Frequency Pattern Test (FPT): Diotic Test performed at the intensity of 50 dBSL, assesses the temporal ordering ability.
The ambiguity in the interpretation of left ear extinction as a sign of auditory neglect has led to the introduction of the diotic listening paradigm, which consists of two simultaneous stimuli presented to the right or left by means of interaural time differences.
We have investigated how R-PA affects key features of auditory neglect, namely performance on dichotic and diotic listening and auditory localization, and what the underlying anatomical constraints are.
Behavioural data from the dichotic and diotic tasks were tested for normality using the Shapiro-Wilk normality test, and due to the nonnormality of the distribution, the effect of RPA was evaluated at the group level by a repeated measures nonparametric F-test.
For the dichotic listening task factors, ear (left, right) and session (pre- and post-R-PA) were used, for diotic listening side (left, right) and session (pre- and post-R-PA).
Another patient (P4), who had a normal performance in diotic listening, including a normal lateralization index, prior to R-PA, increased after R-PA reporting for the right but not the left space; his lateralization index was then outside the normal range, favouring the right space.
In summary, R-PA induced in specific cases rightward spatial bias in diotic listening by enhancing the reporting within the right but not the left space.
Avci, "Perceived quality of resonance based decomposed speech components under diotic
and dichotic listening," in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing, pp.
Cumulative baseline recordings are generated and used to relate multiple -component (dichotic, diotic, ipsilateral, etc.) auditory stimuli to a listener's discrimination and synthesis of complex speech.
If there is no time delay between ears (diotic) the click will appear to be slightly off-center in about 80% of listeners.