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BIAL Foundation
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DE:"Verticality"
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Type Title Begin End
DocumentVisuo-vestibular conflicts within the roll plane modulate multisensory verticality perception2023

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2020
Location: BF-GMS
Title:
2020 Grants
Start date: 2021-01

Reference code: PT/FB/BL-2020-041
Location: BF-GMS
Title:
041 - Luminous dancing fairies in weightlessness: How gravity shapes conscious experiences
Duration: 2021-12
Researcher(s):
Elisa Ferre
Institution(s): Department of Psychological Sciences, Birkbeck, University of London (UK)
Contents: Contents:
Application form
Correspondence
Research Funding Agreement
Progress report
Articles
Language: eng
Notes:
Ongoing project
Author: Ferrè, E.
Number of reproductions:
1
Keywords:
Gravity / Floatation tank / Vestibular system / Psychotic-like experiences / Psychophysiology

Reference code: PT/FB/BL-2020-041.03
Location: BF-GMS
Title:
Visuo-vestibular conflicts within the roll plane modulate multisensory verticality perception
Publication year: 2023
URL:
https://www.sciencedirect.com/science/article/pii/S0304394022005249?via%3Dihub
Abstract/Results: ABSTRACT:
The integration of visuo-vestibular information is crucial when interacting with the external environment. Under normal circumstances, vision and vestibular signals provide corroborating information, for example regarding the direction and speed of self-motion. However, conflicts in visuo-vestibular signalling, such as optic flow presented to a stationary observer, can change subsequent processing in either modality. While previous studies have demonstrated the impact of sensory conflict on unisensory visual or vestibular percepts, here we investigated whether visuo-vestibular conflicts impact sensitivity to multisensory percepts, specifically verticality. Participants were exposed to a visuo-vestibular conflicting or non-conflicting motion adaptor before completing a Vertical Detection Task. Sensitivity to vertical stimuli was reduced following visuo-vestibular conflict. No significant differences in criterion were found. Our findings suggest that visuo-vestibular conflicts not only modulate processing in unimodal channels, but also broader multisensory percepts, which may have implications for higher-level processing dependent on the integration of visual and vestibular signals.
Accessibility: Document exists in file
Language:
eng
Notes:
Vestibular SystemVisionMultisensory IntegrationVerticalitySignal Detection Theory
Author: Arshad, I.
Secondary author(s):
Gallagher, M., Ferrè, E. R.
Document type:
Article
Number of reproductions:
1
Percentiles:
12.17|0.18
Reference:
Arshad, I., Gallagher, M., & Ferrè, E. R. (2023). Visuo-vestibular conflicts within the roll plane modulate multisensory verticality perception. Neuroscience Letters, 792: 136963. https://doi.org/10.1016/j.neulet.2022.136963
2-year Impact Factor: 2.5|2023
Times cited: 2|2026-02-15
Indexed document: Yes
Quartile: Q3
Keywords: Self-motion / Vestibular system / Vision / Multisensory integration / Verticality / Signal detection theory

Visuo-vestibular conflicts within the roll plane modulate multisensory verticality perception

Visuo-vestibular conflicts within the roll plane modulate multisensory verticality perception
DocumentIntegrating vestibular and visual cues for verticality perception2025

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2020
Location: BF-GMS
Title:
2020 Grants
Start date: 2021-01

Reference code: PT/FB/BL-2020-041
Location: BF-GMS
Title:
041 - Luminous dancing fairies in weightlessness: How gravity shapes conscious experiences
Duration: 2021-12
Researcher(s):
Elisa Ferre
Institution(s): Department of Psychological Sciences, Birkbeck, University of London (UK)
Contents: Contents:
Application form
Correspondence
Research Funding Agreement
Progress report
Articles
Language: eng
Notes:
Ongoing project
Author: Ferrè, E.
Number of reproductions:
1
Keywords:
Gravity / Floatation tank / Vestibular system / Psychotic-like experiences / Psychophysiology

Reference code: PT/FB/BL-2020-041.10
Location: BF-GMS
Title:
Integrating vestibular and visual cues for verticality perception
Publication year: 2025
URL:
https://doi.org/10.1007/s00221-024-06992-8
Abstract/Results: ABSTRACT:
Verticality is the perception of what's upright relative to gravity. The vestibular system provides information about the head's orientation relative to gravity, while visual cues influence the perception of external objects' alignment with the vertical. According to Bayesian integration, the perception of verticality depends on the relative reliability of visual and vestibular cues. Ambiguities in vestibular signals are resolved through visual information, with the brain integrating these cues alongside prior knowledge of the upright orientation. While it is established that both vestibular and visual cues contribute to verticality perception, the precise mechanisms underlying this integration remain unclear. Here we investigated how the human brain combines vestibular and visual cues to perceive verticality based on their reliability. We assessed verticality perception using a signal detection theory based visual verticality detection task. Participants were shown lines that were either vertical or tilted and asked to judge their orientation. To manipulate cue reliability, we used optokinetic stimulation for visual cues, galvanic vestibular stimulation for vestibular cues, and a combined visual-vestibular condition by simultaneously delivering optokinetic and galvanic vestibular stimulation. Sham stimulations were administered to control for non-specific effects. Our findings demonstrate that reductions in the reliability of visual and vestibular cues impair sensitivity to verticality, with visual cues exerting a more pronounced influence. Importantly, no changes in response bias were observed. The observed pattern aligns with a model in which the relative contributions of visual and vestibular inputs are determined by linear weightings and their combined summation.
Accessibility: Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Author:
Schoenmaekers, C.
Secondary author(s):
Wuyts, F. L., Ferre, E. R.
Document type:
Article
Number of reproductions:
1
Percentiles:
64.08|1.23
Reference:
Schoenmaekers, C., Wuyts, F. L., & Ferre, E. R. (2025). Integrating vestibular and visual cues for verticality perception. Experimental Brain Research, 243(2), 49. https://doi.org/10.1007/s00221-024-06992-8
2-year Impact Factor: 1.6|2024
Impact factor notes: Impact factor not available yet for 2025
Times cited: 1|2026-02-16
Indexed document: Yes
Quartile: Q4
Keywords: Galvanic vestibular stimulation / Gravity / Optokinetic stimulation / Verticality / Visual vertical detection task