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  • 1
    Online Resource
    Online Resource
    Combining proprioception and touch to compute spatial information
    Springer Science and Business Media LLC ; 2014
    In:  Experimental Brain Research Vol. 232, No. 4 ( 2014-4), p. 1259-1266
    Details
    In: Experimental Brain Research, Springer Science and Business Media LLC, Vol. 232, No. 4 ( 2014-4), p. 1259-1266
    Type of Medium: Online Resource
    ISSN: 0014-4819 , 1432-1106
    URL: Article
    DOI: 10.1007/s00221-014-3842-z
    RVK:
    XA 10000
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2014
    detail.hit.zdb_id: 1459099-2
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  • 2
    Online Resource
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    Motor imagery in spinal cord injury patients: Moving makes the difference
    Wiley ; 2014
    In:  Journal of Neuropsychology Vol. 8, No. 2 ( 2014-09), p. 199-215
    Details
    In: Journal of Neuropsychology, Wiley, Vol. 8, No. 2 ( 2014-09), p. 199-215
    Abstract: Both real action control and execution and motor imagery abilities require knowledge of the spatial location of body parts, in other words efference copy information and feedbacks from the sensory system (Frith et al ., 2000, Philos. Trans. R. Soc. Lond. B. Biol. Sci., 355 , 1771). Spinal cord injuries induce severe motor disability, due to a damage of the descending motor pathways (Cramer et al ., 2007, Exp. Brain. Res., 177 , 233). Patients' motor imagery competences are variably reported as either normal or defective (Decety & Boisson, 1990, Eur. Arch. Psychiatry Clin. Neurosci., 240 , 39; Lacourse et al ., 1999, Behav. Brain Sci., 104 , 73). We explored biomechanical constraint effects in Spinal Cord Injury ( SCI ) patients, as they are considered the most reliable indexes of motor imagery abilities (Parsons, 1987b, Cogn. Psychol., 19 , 178). Sixteen spinal cord injuries patients and 16 neurologically unimpaired subjects have been administered with (1) the Hand Laterality Task (HLT), in which subjects were asked to judge the laterality of a rotated hand; and (2) the Mirror Letter Discrimination Task (MLD), in which subjects were asked to judge if a rotated character was in its correct upright position or mirror‐reversed form. Our patients did not present the effect of stimulus orientation, neither did they show any effect related to biomechanical constraints. Based on these data, the hypothesis is that SCI patients' performance may be ascribed to the use of a different strategy to solve the tasks, based on memory rather than on mental rotation.
    Type of Medium: Online Resource
    ISSN: 1748-6645 , 1748-6653
    URL: Issue
    URL: Article
    DOI: 10.1111/jnp.2014.8.issue-2
    DOI: 10.1111/jnp.12020
    Language: English
    Publisher: Wiley
    Publication Date: 2014
    detail.hit.zdb_id: 2380753-2
    SSG: 5,2
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  • 3
    Online Resource
    Online Resource
    前庭感覚入力の脳内処理機構：GVSを用いた脳機能画像研究
    The Japanese Psychological Association ; 2018
    In:  The Proceedings of the Annual Convention of the Japanese Psychological Association Vol. 82, No. 0 ( 2018-9-25), p. 1EV-044-1EV-044
    Details
    In: The Proceedings of the Annual Convention of the Japanese Psychological Association, The Japanese Psychological Association, Vol. 82, No. 0 ( 2018-9-25), p. 1EV-044-1EV-044
    Type of Medium: Online Resource
    ISSN: 2433-7609
    URL: Article
    DOI: 10.4992/pacjpa.82.0_1EV-044
    Language: English
    Publisher: The Japanese Psychological Association
    Publication Date: 2018
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  • 4
    Online Resource
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    Vestibular–Somatosensory Interactions: A Mechanism in Search of a Function?
    Brill ; 2015
    In:  Multisensory Research Vol. 28, No. 5-6 ( 2015-07-31), p. 559-579
    Details
    In: Multisensory Research, Brill, Vol. 28, No. 5-6 ( 2015-07-31), p. 559-579
    Abstract: No unimodal vestibular cortex has been identified in the human brain. Rather, vestibular inputs are strongly integrated with signals from other sensory modalities, such as vision, touch and proprioception. This convergence could reflect an important mechanism for maintaining a perception of the body, including individual body parts, relative to the rest of the environment. Neuroimaging, electrophysiological and psychophysical studies showed evidence for multisensory interactions between vestibular and somatosensory signals. However, no convincing overall theoretical framework has been proposed for vestibular–somatosensory interactions, and it remains unclear whether such percepts are by-products of neural convergence, or a functional multimodal integration. Here we review the current literature on vestibular–multisensory interactions in order to develop a framework for understanding the functions of such multimodal interaction. We propose that the target of vestibular–somatosensory interactions is a form of self-representation.
    Type of Medium: Online Resource
    ISSN: 2213-4794 , 2213-4808
    URL: Article
    DOI: 10.1163/22134808-00002487
    Language: Unknown
    Publisher: Brill
    Publication Date: 2015
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  • 5
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    Cybersickness: a Multisensory Integration Perspective
    Brill ; 2018
    In:  Multisensory Research Vol. 31, No. 7 ( 2018-05-09), p. 645-674
    Details
    In: Multisensory Research, Brill, Vol. 31, No. 7 ( 2018-05-09), p. 645-674
    Abstract: In the past decade, there has been a rapid advance in Virtual Reality (VR) technology. Key to the user’s VR experience are multimodal interactions involving all senses. The human brain must integrate real-time vision, hearing, vestibular and proprioceptive inputs to produce the compelling and captivating feeling of immersion in a VR environment. A serious problem with VR is that users may develop symptoms similar to motion sickness, a malady called cybersickness . At present the underlying cause of cybersickness is not yet fully understood. Cybersickness may be due to a discrepancy between the sensory signals which provide information about the body’s orientation and motion: in many VR applications, optic flow elicits an illusory sensation of motion which tells users that they are moving in a certain direction with certain acceleration. However, since users are not actually moving, their proprioceptive and vestibular organs provide no cues of self-motion. These conflicting signals may lead to sensory discrepancies and eventually cybersickness. Here we review the current literature to develop a conceptual scheme for understanding the neural mechanisms of cybersickness. We discuss an approach to cybersickness based on sensory cue integration, focusing on the dynamic re-weighting of visual and vestibular signals for self-motion.
    Type of Medium: Online Resource
    ISSN: 2213-4794 , 2213-4808
    URL: Article
    DOI: 10.1163/22134808-20181293
    Language: Unknown
    Publisher: Brill
    Publication Date: 2018
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  • 6
    Online Resource
    Online Resource
    Why the whole is more than the sum of its parts: Salience-driven overestimation in aggregated tactile sensations
    SAGE Publications ; 2019
    In:  Quarterly Journal of Experimental Psychology Vol. 72, No. 10 ( 2019-10), p. 2509-2526
    Details
    In: Quarterly Journal of Experimental Psychology, SAGE Publications, Vol. 72, No. 10 ( 2019-10), p. 2509-2526
    Abstract: Experimental psychology often studies perception analytically, reducing its focus to minimal sensory units, such as thresholds or just noticeable differences in a single stimulus. Here, in contrast, we examine a synthetic aspect: how multiple inputs to a sensory system are aggregated into an overall percept. Participants in three experiments judged the total stimulus intensity for simultaneous electrical shocks to two digits. We tested whether the integration of component somatosensory stimuli into a total percept occurs automatically, or rather depends on the ability to consciously perceive discrepancy among components (Experiment 1), whether the discrepancy among these components influences sensitivity or/and perceptual bias in judging totals (Experiment 2), and whether the salience of each individual component stimulus affects perception of total intensity (Experiment 3). Perceptual aggregation of two simultaneous component events occurred both when participants could perceptually discriminate the two intensities, and also when they could not. Further, the actual discrepancy between the stimuli modulated both participants’ sensitivity and perceptual bias: increasing discrepancies produced a systematic and progressive overestimation of total intensity. The degree of this bias depended primarily on the salience of the stronger stimulus in the pair. Overall, our results suggest that important nonlinear mechanisms contribute to sensory aggregation. The mind aggregates component inputs into a coherent and synthetic perceptual experience in a salience-weighted fashion that is not based on simple summation of inputs.
    Type of Medium: Online Resource
    ISSN: 1747-0218 , 1747-0226
    URL: Article
    DOI: 10.1177/1747021819847131
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2019
    detail.hit.zdb_id: 2225936-3
    SSG: 5,2
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  • 7
    Online Resource
    Online Resource
    Vestibular contributions to bodily awareness
    Elsevier BV ; 2013
    In:  Neuropsychologia Vol. 51, No. 8 ( 2013-07), p. 1445-1452
    Details
    In: Neuropsychologia, Elsevier BV, Vol. 51, No. 8 ( 2013-07), p. 1445-1452
    Type of Medium: Online Resource
    ISSN: 0028-3932
    URL: Article
    DOI: 10.1016/j.neuropsychologia.2013.04.006
    RVK:
    XA 10000
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2013
    detail.hit.zdb_id: 1500656-6
    SSG: 5,2
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  • 8
    Online Resource
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    Subliminal stimulation and somatosensory signal detection
    Elsevier BV ; 2016
    In:  Acta Psychologica Vol. 170 ( 2016-10), p. 103-111
    Details
    In: Acta Psychologica, Elsevier BV, Vol. 170 ( 2016-10), p. 103-111
    Type of Medium: Online Resource
    ISSN: 0001-6918
    URL: Article
    DOI: 10.1016/j.actpsy.2016.06.009
    RVK:
    CN 3000
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2016
    detail.hit.zdb_id: 280011-1
    detail.hit.zdb_id: 1480049-4
    SSG: 5,2
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  • 9
    Online Resource
    Online Resource
    How the vestibular system modulates tactile perception in normal subjects: a behavioural and physiological study
    Springer Science and Business Media LLC ; 2011
    In:  Experimental Brain Research Vol. 208, No. 1 ( 2011-1), p. 29-38
    Details
    In: Experimental Brain Research, Springer Science and Business Media LLC, Vol. 208, No. 1 ( 2011-1), p. 29-38
    Type of Medium: Online Resource
    ISSN: 0014-4819 , 1432-1106
    URL: Article
    DOI: 10.1007/s00221-010-2450-9
    RVK:
    XA 10000
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2011
    detail.hit.zdb_id: 1459099-2
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  • 10
    Online Resource
    Online Resource
    Human movements do not look the same in a tilted world: Gravitational constraints influence the perception of biological motion
    Wiley ; 2022
    In:  European Journal of Neuroscience Vol. 55, No. 3 ( 2022-02), p. 800-805
    Details
    In: European Journal of Neuroscience, Wiley, Vol. 55, No. 3 ( 2022-02), p. 800-805
    Abstract: We investigated whether gravitational constraints influence the interaction of visual, proprioceptive and vestibular cues for Biological Motion Perception (BMP). Participants were asked to distinguish between plausible and random point‐light movements, while passively placed in either an upright or a tilted body orientation. Manipulating the body orientation with respect to gravity leads to different gravitational signals transmitted by the visual, proprioceptive, and vestibular systems. Participants were overall faster in distinguishing plausible point‐light movements than random movements. Critically, response times for biologically plausible point‐light movements — but not for random movements — were significantly prolonged in the tilted body orientation. Our results suggest that BMP depends not only on the spatial–temporal cues embedded in point‐light movements but also rely on the congruency between current gravitational signals detected by the sensory systems and our previous knowledge of terrestrial gravity. Statement of Relevance As humankind is preparing for a new space age, understanding how gravity influences behaviour and cognition has never been more pressing. All living organisms have evolved to survive in a terrestrial gravitational field. Although we cannot consciously feel gravity, it has an impact in our life: it affects how we move and interact with the external environment. The sensory signals from the vestibular system are continuously combined with visual and proprioceptive cues to help us in maintaining a stable representation of the world. Here we placed participants in a tilted body orientation and were able to determine that a conflict between prior gravitational knowledge and what was actively sensed about gravity affected human Biological Movement Perception. Humans suffer changes in perception under non‐terrestrial gravity conditions that may potentially compromise performance during space exploration.
    Type of Medium: Online Resource
    ISSN: 0953-816X , 1460-9568
    URL: Issue
    URL: Article
    DOI: 10.1111/ejn.v55.3
    DOI: 10.1111/ejn.15586
    Language: English
    Publisher: Wiley
    Publication Date: 2022
    detail.hit.zdb_id: 2005178-5
    SSG: 12
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