Trimodal Race Model Inequalities in Multisensory Integration: I. Basics

نویسندگان

  • Hans Colonius
  • Felix Hermann Wolff
  • Adele Diederich
چکیده

The race model inequality has become an important testing tool for the analysis of redundant signals tasks. In crossmodal reaction time experiments, the strength of violation of the inequality is taken as measure of multisensory integration occurring beyond probability summation. Here we extend previous results on trimodal race model inequalities and specify the underlying context invariance assumptions required for their validity. Some simulation results comparing the race model and the superposition model for Erlang distributed random variables illustrate the trimodal inequalities.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Do cross-modal projections always result in multisensory integration?

Convergence of afferents from different sensory modalities has generally been thought to produce bimodal (and trimodal) neurons (i.e., exhibit suprathreshold excitation to more than 1 sensory modality). Consequently, studies identifying cross-modal connections assume that such convergence results in bimodal (or trimodal) neurons that produce familiar forms of multisensory integration: response ...

متن کامل

Crossmodal inhibition and enhancement in trimodal multisensory integration

Any instant of conscious perception is shaped by the differential contributions of all of our sensory organs. Complementary information in distinct sensory streams can be exploited by crossmodal integration. The principles that govern these integrative processes are not yet completely understood. The traditional bimodal nature of multisensory research hampers the exploration of the complex inte...

متن کامل

Bimodal and trimodal multisensory enhancement: effects of stimulus onset and intensity on reaction time.

Manual reaction times to visual, auditory, and tactile stimuli presented simultaneously, or with a delay, were measured to test for multisensory interaction effects in a simple detection task with redundant signals. Responses to trimodal stimulus combinations were faster than those to bimodal combinations, which in turn were faster than reactions to unimodal stimuli. Response enhancement increa...

متن کامل

Developmental trends in the facilitation of multisensory objects with distractors

Sensory integration and the ability to discriminate target objects from distractors are critical to survival, yet the developmental trajectories of these abilities are unknown. This study investigated developmental changes in 9- (n = 18) and 11-year-old (n = 20) children, adolescents (n = 19) and adults (n = 22) using an audiovisual object discrimination task with uni- and multisensory distract...

متن کامل

The Multisensory Driver: Contributions From the Time–Window–of–Integration Model

In this paper, we sketch a specific framework developed to describe and predict crossmodal effects in orienting responses. The time-window-of-integration (TWIN) model postulates that a crossmodal stimulus triggers a race mechanism in the early peripheral sensory pathways, then followed by a compound stage of converging subprocesses that comprise neural integration of the input and preparation o...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره 8  شماره 

صفحات  -

تاریخ انتشار 2017