Rhesus monkeys (Macaca mulatta) hear rising frequency sounds as looming.

Ghazanfar, Asif A.; Maier, Joost X.

doi:10.1037/a0016391

Cited by 24 publications

(20 citation statements)

References 34 publications

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“…In the absence of clear changes in spiking under multisensory conditions, a neuron was said to not integrate its different inputs. However, more recent work, which has focused not only on spiking but also on changes in the local field potential (LFP - a measure of summed synaptic activity), has illustrated the presence of multisensory interactions in the LFP response in the absence of clear changes in neuronal spiking (Ghazanfar and Maier, 2009,Ghazanfar, et al, 2005,Ghose and Wallace, 2014,Kayser, et al, 2009,Sarko, et al, 2013). …”

Section: Discussionmentioning

confidence: 99%

Deficits in audiovisual speech perception in normal aging emerge at the level of whole-word recognition

Stevenson

Nelms

Baum

et al. 2015

Neurobiology of Aging

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Over the next two decades, a dramatic shift in the demographics of society will take place, with a rapid growth in the population of older adults. One of the most common complaints with healthy aging is a decreased ability to successfully perceive speech, particularly in noisy environments. In such noisy environments, the presence of visual speech cues (i.e., lip movements) provide striking benefits for speech perception and comprehension, but previous research suggests that older adults gain less from such audiovisual integration than their younger peers. To determine at what processing level these behavioral differences arise in healthy-aging populations, we administered a speech-in-noise task to younger and older adults. We compared the perceptual benefits of having speech information available in both the auditory and visual modalities and examined both phoneme and whole-word recognition across varying levels of signal-to-noise ratio (SNR). For whole-word recognition, older relative to younger adults showed greater multisensory gains at intermediate SNRs, but reduced benefit at low SNRs. By contrast, at the phoneme level both younger and older adults showed approximately equivalent increases in multisensory gain as SNR decreased. Collectively, the results provide important insights into both the similarities and differences in how older and younger adults integrate auditory and visual speech cues in noisy environments, and help explain some of the conflicting findings in previous studies of multisensory speech perception in healthy aging. These novel findings suggest that audiovisual processing is intact at more elementary levels of speech perception in healthy aging populations, and that deficits begin to emerge only at the more complex, word-recognition level of speech signals.

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Section: Discussionmentioning

confidence: 99%

Deficits in audiovisual speech perception in normal aging emerge at the level of whole-word recognition

Stevenson

Nelms

Baum

et al. 2015

Neurobiology of Aging

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“…For example, Maier et al, (2004) showed that rhesus macaques associated complex tones that rose in intensity with expanding circles, which were thought to be perceived as aversive 'looming' or approaching stimuli by the macaques. Furthermore, macaques also associated rising frequency tones with expanding circles (Ghazanfar and Maier, 2009). A related effect known as the 'doppler illusion' is observed in humans: listeners report an increase in the pitch of a sound source moving towards them even though there is no change in the actual frequency of the sound (Neuhoff and McBeath, 1996).…”

Section: Structural Correspondencesmentioning

confidence: 99%

“…A related effect known as the 'doppler illusion' is observed in humans: listeners report an increase in the pitch of a sound source moving towards them even though there is no change in the actual frequency of the sound (Neuhoff and McBeath, 1996). However, although the macaques did not have any prior experience with the stimuli used in either study (Ghazanfar and Maier, 2009;Maier et al, 2004), it was not possible to establish whether the association between rising intensity and frequency with increasing size in multisensory looming signals is innately present, or dependent on experience. Therefore, the extent to which intensity-based associations represent fixed structural correspondences remains to be established.…”

Section: Structural Correspondencesmentioning

confidence: 99%

“…In the final section, we show that a wide range of mammalian species appear to develop multisensory cognitive representations about signals and signallers, enabling them to form time-independent expectations about the multisensory composition of communicative stimulus features (see Table 1 for a synthesis of studies). luminance and auditory pitch (Ludwig et al, 2011) conspecific call types (Izumi and Kojima, 2004;Parr, 2004) conspecific identities (Kojima et al, 2003;Martinez and Matsuzawa, 2009) old-world monkeys rhesus macaque (Macaca mulatta) conspecific call types (Ghazanfar and Logothetis, 2003) number of conspecific signallers (Jordan et al, 2005) looming/approaching signals (Maier et al, 2004;Ghazanfar and Maier, 2009) conspecific body size (Ghazanfar et al, 2007) conspecific identities (Adachi and Hampton, 2011;Sliwa et al, 2011) heterospecific identities (Sliwa et al, 2011) Japanese macaque (Macaca fuscata) species (both their own species and humans) (Adachi et al, 2006, Adachi et al, 2009 vervet monkey (Chlorocebus pygerythrus) heterospecific call types (Zangenehpour et al, 2009) grey cheeked mangabey (Lophocebus albigena) conspecific identities (Bovet and Deputte, 2009) new world monkeys tufted capuchin (Cebus apella) conspecific call type (Evans et al, 2005) squirrel monkey (Simia sciureus) heterospecific identities lemurs ring-tailed lemur (Lemur catta) conspecific identities (Kulachi et al, 2014) Carnivora domestic dog (Canis familiaris) conspecific body size (Faragó et al, 2010;Taylor et al, 2011) heterospecific identities heterospecific gender (Ratcliffe et al, 2014) Perissodactyla Domestic horse (Equus caballus) conspecific identities (Proops et al, 2009) heterospecific identities McComb, 2012) al., 1996;…”

Section: Introductionmentioning

confidence: 99%

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Cross-Modal Correspondences in Non-human Mammal Communication

2016

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For both humans and other animals, the ability to combine information obtained through different senses is fundamental to the perception of the environment. It is well established that humans form systematic cross-modal correspondences between stimulus features that can facilitate the accurate combination of sensory percepts. However, the evolutionary origins of the perceptual and cognitive mechanisms involved in these cross-modal associations remain surprisingly under-explored. In this review we outline recent comparative studies investigating how non-human mammals naturally combine information encoded in different sensory modalities during communication. The results of these behavioural studies demonstrate that various mammalian species are able to combine signals from different sensory channels when they are perceived to share the same basic features, either because they can be redundantly sensed and/or because they are processed in the same way.Moreover, evidence that a wide range of mammals form complex cognitive representations about signallers, both within and across species, suggests that animals also learn to associate different sensory features which regularly co-occur. Further research is now necessary to determine how multisensory representations are formed in individual animals, including the relative importance of low-level feature-related correspondences. Such investigations will generate important insights into how animals perceive and categorise their environment, as well as provide an essential basis for understanding the evolution of multisensory perception in humans.

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“…Para alcanzar este fin, los resultados de los estudios en humanos adultos y recién nacidos son contrastados regularmente con información obtenida del trabajo con roedores, aves y monos. Los aspectos respecto a los cuales se realizan comparaciones abarcan la discriminación de fonemas, sílabas, palabras y oraciones, el aprendizaje de patrones gramaticales simples y de palabras, el rastreo de re gularidades distributivas de elementos (probabilidades transicionales y frecuencia de ocurrencia conjunta) y la extracción y generalización de reglas algebraicas en la señal del habla (entre otros: Brainard & Doupe, 2002;Elgier & Bentosela, 2009;Endress, Cahill, Block, Watumull & Hauser, 2009;Ghazanfar & Maier, 2009;Jakovcevic & Bentosela, 2012;Murphy, Mondragón & Murphy, 2008;Newport, Hauser, Spaepen & Aslin, 2004;Ohms, Escudero, Lammers & ten Cate, 2012;Pilley & Reid, 2011;Reed et al, 2003;Saffran et al, 2008;Sinnott & Gilmore, 2004;Toro & Trobalon, 2005; para una revisión general ver Barón, 2014 (Ramus, 1999). Tradicionalmente se han considerado tres tipos de isocronía (Gervain & Mehler, 2010;Toledo, 2009):…”

Section: Composición Del Lenguaje Y Estudio Psicolin-güístico Comparadounclassified

El estudio psicológico comparado de la percepción de los contornos de entonación declarativo e interrogativo

Birchenall¹

2014

Interd

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RESUMENSi bien existen numerosas investigaciones sobre la percepción del lenguaje en recién nacidos, la percepción de la entonación en adultos y la Psicología Comparada del lenguaje, son muy escasos los estudios en cuanto a la percepción de los contornos de entonación declarativo e interrogativo con bebés, y los estudios sobre este mismo tema en modelos animales son al parecer inexistentes. En este artículo se plantean los fundamentos del estudio comparado de la percepción de dichos contornos de entonación en bebés y en animales. En primer término se discute acerca de la composición del lenguaje y el enfoque de estudio psicolingüístico comparado. A continuación se tratan los temas de la isocronía y de los contornos de entonación declarativo e interrogativo, argumentando que en ambos casos existe un alto grado de universalidad. Finalmente se analizan los alcances del tipo de estudio propuesto, indicando su viabilidad y pertinencia.Palabras clave: Percepción del habla; Entonación declarativa e interrogativa; Psicología Comparada; Universales lingüísticos; Modelos anima les. ABSTRACTOne of today's most influential theories of language development and acquisition assumes that the human faculty of language is made-up of three components: syntax, phonology, and seman tics. Of these components, the syntactic one may be exclusive of humans, while some specific as pects of the semantic and phonological ones may be not. One implication of this division of the language faculty is that aspects of the semantic and phonological systems could also be found in non-human animals, with their function not necessarily being related to communication. Even though not all the scientific community accepts such expla na tion of the components of the language faculty, diverse academic groups that do so, have been do ing research with humans, non-human primates, rodents, birds, and even with cats, for the last 25 years or so. Usually, the purpose of this type of stud ies has been to determine what human capac ities related to speech have emerged from different precursor systems that were already present in ancestral species, and would have been inherited by men, which components of language are specif ically human, which are specifically linguis tic, and which ones could be domain-general mecha nisms

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Rhesus monkeys (Macaca mulatta) hear rising frequency sounds as looming.

Cited by 24 publications

References 34 publications

Deficits in audiovisual speech perception in normal aging emerge at the level of whole-word recognition

Deficits in audiovisual speech perception in normal aging emerge at the level of whole-word recognition

Cross-Modal Correspondences in Non-human Mammal Communication

El estudio psicológico comparado de la percepción de los contornos de entonación declarativo e interrogativo

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