Synesthesia

Cytowič, Richard E.

doi:10.7551/mitpress/6590.001.0001

Cited by 184 publications

(23 citation statements)

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“…Analyses of pedigrees are consistent with the hypothesis of heritability and suggest that the genetic component(s) may be inherited in a dominant fashion with incomplete penetrance [19,20]. Unfortunately, those studies involved no DNA collection.…”

Section: Introductionmentioning

confidence: 85%

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The genetics of colored sequence synesthesia: Suggestive evidence of linkage to 16q and genetic heterogeneity for the condition

Tomson

Avidan²,

Lee

et al. 2011

Behavioural Brain Research

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Synesthesia is a perceptual condition in which sensory stimulation triggers anomalous sensory experiences. In colored sequence synesthesia (CSS), color experiences are triggered by sequences such as letters or numbers. We performed a family based linkage analysis to identify genetic loci responsible for the increased neural crosstalk underlying CSS. Our results implicate a 23 MB region at 16q12.2-23.1, providing the first step in understanding the molecular basis of CSS.

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Section: Introductionmentioning

confidence: 85%

“…Control subjects display low consistency when associating colors to graphemes over 108 trials, while synesthetes perform with high consistency (for a representative example, see Fig. 2B); see Eagleman et al (2007) for full details of the testing procedure [15,19,21–23]. …”

Section: Methodsmentioning

confidence: 99%

The genetics of colored sequence synesthesia: Suggestive evidence of linkage to 16q and genetic heterogeneity for the condition

Tomson

Avidan²,

Lee

et al. 2011

Behavioural Brain Research

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“…In particular, in the case of the hand colour, the association could be linked to the fact that our skin gets redder when we are warm and blue when we are very cold. Besides the colour-temperature association derived from the cognitive or intellectual factors mentioned above, the association could also emerge from synesthesia, a neurological condition in which stimulation of one sensory or cognitive pathway leads to automatic, involuntary experiences in a second sensory or cognitive pathway 32 33 .…”

Section: Discussionmentioning

confidence: 99%

Combining colour and temperature: A blue object is more likely to be judged as warm than a red object

Iwai

Yoshikawa

et al. 2014

Sci Rep

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It is commonly believed that reddish colour induces warm feelings while bluish colour induces cold feelings. We, however, demonstrate an opposite effect when the temperature information is acquired by direct touch. Experiment 1 found that a red object, relative to a blue object, raises the lowest temperature required for an object to feel warm, indicating that a blue object is more likely to be judged as warm than a red object of the same physical temperature. Experiment 2 showed that hand colour also affects temperature judgment, with the direction of the effect opposite to object colours. This study provides the first demonstration that colour can modulate temperature judgments when the temperature information is acquired by direct touch. The effects apparently oppose the common conception of red-hot/blue-cold association. We interpret this phenomenon in terms of “Anti-Bayesian” integration, which suggests that the brain integrates direct temperature input with prior expectations about temperature relationship between object and hand in a way that emphasizes the contrast between the two.

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“…In addition, several forms of synesthesia have been reported in which the concurrent is clearly conceptual, such as gender or personality (e.g. Cytowic, 2002), rather than perceptual as with projector synesthetes' experience of color. Finally, for forms of synesthesia considered at least until recently as primarily perceptual phenomena, the context in which the inducer occurs can influence whether or not the concurrent appears (Dixon, Smilek, Duffy, Zanna, & Merikle, 2006).…”

Section: Olfactory-induced Experiencesmentioning

confidence: 99%

Olfactory-induced synesthesias: A review and model.

Stevenson¹,

Tomiczek²

2007

Psychological Bulletin

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Recent reviews of synesthesia concentrate upon rare neurodevelopmental examples and exclude common olfactory-induced experiences with which they may profitably be compared. Like the neurodevelopmental synesthesias, odor-induced experiences involve different sensory modalities; are reliable, asymmetric (concurrents cannot induce), and automatic; and the inducer-concurrent relationship is learnt. Unlike neurodevelopmental synesthesias, these experiences are universal and their synesthetic nature goes unrecognized. Olfaction's ability to universally induce concurrents may result from its unique neuroanatomy, affording dual access to neocortex. We propose that concurrents arise here via a twofold process: by direct neocortical activation, which recovers a configural memory, and by attribution of this memory to the olfactory modality by thalamic attentional processes. The implications of this for other forms of synesthesia are then examined.

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Synesthesia

Cited by 184 publications

References 0 publications

The genetics of colored sequence synesthesia: Suggestive evidence of linkage to 16q and genetic heterogeneity for the condition

The genetics of colored sequence synesthesia: Suggestive evidence of linkage to 16q and genetic heterogeneity for the condition

Combining colour and temperature: A blue object is more likely to be judged as warm than a red object

Olfactory-induced synesthesias: A review and model.

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