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File117 - The neuronal basis of biases2019-012021-04

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-2018
Location: BF-GMS
Title:
2018 Grants
Start date: 2019-01

Reference code: PT/FB/BL-2018-117
Location: BF-GMS
Title:
117 - The neuronal basis of biases
Duration: 2019-01 - 2021-04
Researcher(s):
Rubén Moreno-Bote, Roozbeh Kiani
Institution(s): Center for Brain and Cognition, Department of Technologies of Information and Communications, Universitat Pompeu Fabra, Barcelona (Spain); Center for Neural Science, New York University (USA)
Contents: Contents:
Application form
Correspondence
Research Funding Agreement
Progress report
Final report
Language: eng
Author:
Moreno-Bote, R.
Secondary author(s):
Kiani, R.
Number of reproductions:
1
Keywords:
Biases / Decision making / Motivation / Misperception / Psychophysiology

DocumentPrefrontal cortex represents heuristics that shape choice bias and its integration into future behavior2021

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-2018
Location: BF-GMS
Title:
2018 Grants
Start date: 2019-01

Reference code: PT/FB/BL-2018-117
Location: BF-GMS
Title:
117 - The neuronal basis of biases
Duration: 2019-01 - 2021-04
Researcher(s):
Rubén Moreno-Bote, Roozbeh Kiani
Institution(s): Center for Brain and Cognition, Department of Technologies of Information and Communications, Universitat Pompeu Fabra, Barcelona (Spain); Center for Neural Science, New York University (USA)
Contents: Contents:
Application form
Correspondence
Research Funding Agreement
Progress report
Final report
Language: eng
Author:
Moreno-Bote, R.
Secondary author(s):
Kiani, R.
Number of reproductions:
1
Keywords:
Biases / Decision making / Motivation / Misperception / Psychophysiology

Reference code: PT/FB/BL-2018-117.02
Location: BF-GMS
Title:
Prefrontal cortex represents heuristics that shape choice bias and its integration into future behavior
Publication year: 2021
URL:
https://www.cell.com/current-biology/fulltext/S0960-9822(21)00133-0?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0960982221001330%3Fshowall%3Dtrue
Abstract/Results: ABSTRACT:
Goal-directed behavior requires integrating sensory information with prior knowledge about the environment. Behavioral biases that arise from these priors could increase positive outcomes when the priors match the true structure of the environment, but mismatches also happen frequently and could cause unfavorable outcomes. Biases that reduce gains and fail to vanish with training indicate fundamental suboptimalities arising from ingrained heuristics of the brain. Here, we report systematic, gain-reducing choice biases in highly trained monkeys performing a motion direction discrimination task where only the current stimulus is behaviorally relevant. The monkey’s bias fluctuated at two distinct time scales: slow, spanning tens to hundreds of trials, and fast, arising from choices and outcomes of the most recent trials. Our findings enabled single trial prediction of biases, which influenced the choice especially on trials with weak stimuli. The pre-stimulus activity of neuronal ensembles in the monkey prearcuate gyrus represented these biases as an offset along the decision axis in the state space. This offset persisted throughout the stimulus viewing period, when sensory information was integrated, leading to a biased choice. The pre-stimulus representation of history-dependent bias was functionally indistinguishable from the neural representation of upcoming choice before stimulus onset, validating our model of single-trial biases and suggesting that pre-stimulus representation of choice could be fully defined by biases inferred from behavioral history. Our results indicate that the prearcuate gyrus reflects intrinsic heuristics that compute bias signals, as well as the mechanisms that integrate them into the oculomotor decision-making process.
Accessibility: Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Author:
Mochol, G.
Secondary author(s):
Kiani, R., Moreno-Bote, R.
Document type:
Article
Number of reproductions:
1
Reference:
Mochol, G., Kiani, R., & Moreno-Bote, R. (2021). Prefrontal cortex represents heuristics that shape choice bias and its integration into future behavior. Current Biology, 31(6), 1234-1244. doi: 10.1016/j.cub.2021.01.068
2-year Impact Factor: 10.834|2020
Impact factor notes: Impact factor not available yet for 2021
Times cited: 6|2022-03-09
Indexed document: Yes
Quartile: Q1
Keywords: Behavioral bias / Decision making / Prefrontal cortex / Macaque monkey

DocumentFinal report - The neuronal basis of biases2021

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-2018
Location: BF-GMS
Title:
2018 Grants
Start date: 2019-01

Reference code: PT/FB/BL-2018-117
Location: BF-GMS
Title:
117 - The neuronal basis of biases
Duration: 2019-01 - 2021-04
Researcher(s):
Rubén Moreno-Bote, Roozbeh Kiani
Institution(s): Center for Brain and Cognition, Department of Technologies of Information and Communications, Universitat Pompeu Fabra, Barcelona (Spain); Center for Neural Science, New York University (USA)
Contents: Contents:
Application form
Correspondence
Research Funding Agreement
Progress report
Final report
Language: eng
Author:
Moreno-Bote, R.
Secondary author(s):
Kiani, R.
Number of reproductions:
1
Keywords:
Biases / Decision making / Motivation / Misperception / Psychophysiology

Reference code: PT/FB/BL-2018-117.01
Location: BF-GMS
Title:
Final report - The neuronal basis of biases
Publication year: 2021
URL:
https://www.bial.com/media/3607/the-neuronal-basis-of-biases.pdf
Abstract/Results: ABSTRACT:
BACKGROUND
Goal-directed behavior often requires integrating current sensory information with the prior history of stimuli, actions and outcomes. However, if the past is uninformative for the task at hand, using prior history can induce disadvantageous behavioral biases.
AIMS
Study the dynamics and neuronal basis of sequential biases in decision-making.
Study the neuronal representation of biases in the prefrontal cortex of non-human primates.
Testing a sequential-processing theory of decision making and its link to biased behavior.
METHOD
Experiments with highly-trained monkeys performing a motion direction discrimination task, as well as analysis of existing datasets.
RESULTS
Here, we report the existence of history-dependent choice biases in highly-trained monkeys performing a motion direction discrimination task where only the current stimulus was behaviorally relevant. The observed biases fluctuated at two separate time scales: slow, spanning tens to hundreds of trials, and fast, involving variables from the previous trial. These biases were predictive of upcoming choices, and more so on trials with weak stimuli.
We found that pre-stimulus activity of neuronal ensembles in prearcuate gyrus represented biases and was also predictive of the monkey’s upcoming choices. We show that similar axes in the neural population state space represent both bias and choices.
CONCLUSIONS
Further, biases are incorporated into the decision-making process as an offset of baseline activity along the decision axes that persists throughout the integration process of sensory evidence.
Accessibility: Document exists in file
Language:
eng
Author:
Moreno-Bote, R.
Document type:
Final report
Number of reproductions:
1
Reference:
Moreno-Bote, R. (2021). Final report - The neuronal basis of biases.
Indexed document: No
Keywords: Decision-making / Biases / Neuronal population / Brain

Final report - The neuronal basis of biases

Final report - The neuronal basis of biases

DocumentThe dynamics of decision-making and action during active sampling2021

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-2018
Location: BF-GMS
Title:
2018 Grants
Start date: 2019-01

Reference code: PT/FB/BL-2018-117
Location: BF-GMS
Title:
117 - The neuronal basis of biases
Duration: 2019-01 - 2021-04
Researcher(s):
Rubén Moreno-Bote, Roozbeh Kiani
Institution(s): Center for Brain and Cognition, Department of Technologies of Information and Communications, Universitat Pompeu Fabra, Barcelona (Spain); Center for Neural Science, New York University (USA)
Contents: Contents:
Application form
Correspondence
Research Funding Agreement
Progress report
Final report
Language: eng
Author:
Moreno-Bote, R.
Secondary author(s):
Kiani, R.
Number of reproductions:
1
Keywords:
Biases / Decision making / Motivation / Misperception / Psychophysiology

Reference code: PT/FB/BL-2018-117.03
Location: BF-GMS
Title:
The dynamics of decision-making and action during active sampling
Publication year: 2021
URL:
https://www.nature.com/articles/s41598-021-02595-3
Abstract/Results: ABSTRACT:
Embodied Cognition Theories (ECTs) of decision-making propose that the decision process pervades the execution of choice actions and manifests itself in these actions. Decision-making scenarios where actions not only express the choice but also help sample information can provide a valuable, ecologically relevant model for this framework. We present a study to address this paradigmatic situation in humans. Subjects categorized (2AFC task) a central object image, blurred to different extents, by moving a cursor toward the left or right of the display. Upward cursor movements reduced the image blur and could be used to sample information. Thus, actions for decision and actions for sampling were orthogonal to each other. We analyzed response trajectories to test whether information-sampling movements co-occurred with the ongoing decision process. Trajectories were bimodally distributed, with one kind being direct towards one response option (non-sampling), and the other kind containing an initial upward component before veering off towards an option (sampling). This implies that there was an initial decision at the early stage of a trial, whether to sample information or not. Importantly, in sampling trials trajectories were not purely upward, but rather had a significant horizontal deviation early on. This result suggests that movements to sample information exhibit an online interaction with the decision process, therefore supporting the prediction of the ECTs under ecologically relevant constrains.
Accessibility: Document exists in file
Language:
eng
Author:
Ozbagci, D.
Secondary author(s):
Moreno-Bote, R., Soto-Faraco, S.
Document type:
Article
Number of reproductions:
1
Reference:
Ozbagci, D., Moreno-Bote, R., & Soto-Faraco, S. (2021). The dynamics of decision-making and action during active sampling. Scientific Reports, 11(1), 23067. doi: 10.1038/s41598-021-02595-3
2-year Impact Factor: 4.380|2020
Impact factor notes: Impact factor not available yet for 2021
Times cited: 0|2022-03-09
Indexed document: Yes
Quartile: Q1
Keywords: Decision-making

The dynamics of decision-making and action during active sampling

The dynamics of decision-making and action during active sampling