scholarly journals Elements, structure and dynamics of the mind-brain system. A model based on 'Cognitive Feature Detectors'

2020 ◽  
Author(s):  
Damien Nicolas Fernandez
Keyword(s):  
System A ◽  
Feature Detectors ◽  
The Neural Network ◽  
Cognitive Space ◽  
Semantic Value ◽  
The Mind ◽  
The Relationship ◽  
Theoretical Issues ◽  
Cognitive Feature ◽  
Fundamental Units

General principles of a unified theory of cognition and its relationships with the brainare outlined, integrating insights from several existing theories and approaches. Structure, dynamics, and development of the neural/cognitive system are described. Cognitive Feature Detectors (CFDs) are the fundamental units: they have a (minimalist) semantic value, strictly related to their location in a cognitive space. A cognitivo-neural isomorphism is postulated between CFDs in this cognitive space, and single (or small sets of) neurons in the neural network. The cognitive space is made of two parts (executive and perceptive), densely connected, both hierarchically organized and clustered in cognitive maps. Within maps, inhibitory connections implement competition between incompatible CFDs. This theoretical sketch is hoped to help addressing general theoretical issues such as the relationship between brain and mind, on the basis of the neural localization of cognitive elements.

Neural Network for Automatic Analysis of Motility Data

1994 ◽  
Vol 33 (01) ◽  
pp. 157-160 ◽  
Author(s):  
S. Kruse-Andersen ◽  
J. Kolberg ◽  
E. Jakobsen
Keyword(s):  
Neural Network ◽  
Muscular Activity ◽  
Recording System ◽  
Automatic Analysis ◽  
Biologically Relevant ◽  
System A ◽  
The Neural Network ◽  
Valuable Method ◽  
Motor Abnormalities ◽  
Trained Network

Abstract:Continuous recording of intraluminal pressures for extended periods of time is currently regarded as a valuable method for detection of esophageal motor abnormalities. A subsequent automatic analysis of the resulting motility data relies on strict mathematical criteria for recognition of pressure events. Due to great variation in events, this method often fails to detect biologically relevant pressure variations. We have tried to develop a new concept for recognition of pressure events based on a neural network. Pressures were recorded for over 23 hours in 29 normal volunteers by means of a portable data recording system. A number of pressure events and non-events were selected from 9 recordings and used for training the network. The performance of the trained network was then verified on recordings from the remaining 20 volunteers. The accuracy and sensitivity of the two systems were comparable. However, the neural network recognized pressure peaks clearly generated by muscular activity that had escaped detection by the conventional program. In conclusion, we believe that neu-rocomputing has potential advantages for automatic analysis of gastrointestinal motility data.

Psychology: Volume 5

2019 ◽  
Keyword(s):  
World View ◽  
Science Volume ◽  
Western World ◽  
Mental Life ◽  
Long Time ◽  
The Difference ◽  
New Perspective ◽  
Indian Setting ◽  
The Mind ◽  
The Relationship

This survey of research on psychology in five volumes is a part of a series undertaken by the ICSSR since 1969, which covers various disciplines under social science. Volume Five of this survey, Explorations into Psyche and Psychology: Some Emerging Perspectives, examines the future of psychology in India. For a very long time, intellectual investments in understanding mental life have led to varied formulations about mind and its functions across the word. However, a critical reflection of the state of the disciplinary affairs indicates the dominance of Euro-American theories and methods, which offer an understanding coloured by a Western world view, which fails to do justice with many non-Western cultural settings. The chapters in this volume expand the scope of psychology to encompass indigenous knowledge available in the Indian tradition and invite engaging with emancipatory concerns as well as broadening the disciplinary base. The contributors situate the difference between the Eastern and Western conceptions of the mind in the practice of psychology. They look at this discipline as shaped by and shaping between systems like yoga. They also analyse animal behaviour through the lens of psychology and bring out insights about evolution of individual and social behaviour. This volume offers critique the contemporary psychological practices in India and offers a new perspective called ‘public psychology’ to construe and analyse the relationship between psychologists and their objects of study. Finally, some paradigmatic, pedagogical, and substantive issues are highlighted to restructure the practice of psychology in the Indian setting.

Dream Bizarreness as the Cognitive Correlate of Altered Neuronal Behavior in REM Sleep

1989 ◽  
Vol 1 (3) ◽  
pp. 201-222 ◽  
Author(s):  
Adam N. Mamelak ◽  
J. Allan Hobson
Keyword(s):  
Neural Networks ◽  
Cerebral Cortex ◽  
Rem Sleep ◽  
Neuronal Dynamics ◽  
Neurophysiological Model ◽  
The Relationship ◽  
Cognitive Feature ◽  
The Brain ◽  
Cognitive Correlate ◽  
Raphe Neurons

Bizarreness is a cognitive feature common to REM sleep dreams, which can be easily measured. Because bizarreness is highly specific to dreaming, we propose that it is most likely brought about by changes in neuronal activity that are specific to REM sleep. At the level of the dream plot, bizarreness can be defined as either discontinuity or incongruity. In addition, the dreamer's thoughts about the plot may be logically deficient. We propose that dream bizarreness is the cognitive concomitant of two kinds of changes in neuronal dynamics during REM sleep. One is the disinhibition of forebrain networks caused by the withdrawal of the modulatory influences of norepinephrine (NE) and serotonin (5HT) in REM sleep, secondary to cessation of firing of locus coeruleus and dorsal raphe neurons. This aminergic demodulation can be mathematically modeled as a shift toward increased error at the outputs from neural networks, and these errors might be represented cognitively as incongruities and/or discontinuities. We also consider the possibility that discontinuities are the cognitive concomitant of sudden bifurcations or “jumps” in the responses of forebrain neuronal networks. These bifurcations are caused by phasic discharge of pontogeniculooccipital (PGO) neurons during REM sleep, providing a source of cholinergic modulation to the forebrain which could evoke unpredictable network responses. When phasic PGO activity stops, the resultant activity in the brain may be wholly unrelated to patterns of activity dominant before such phasic stimulation began. Mathematically such sudden shifts from one pattern of activity to a second, unrelated one is called a bifurcation. We propose that the neuronal bifurcations brought about by PGO activity might be represented cognitively as bizarre discontinuities of dream plot. We regard these proposals as preliminary attempts to model the relationship between dream cognition and REM sleep neurophysiology. This neurophysiological model of dream bizarreness may also prove useful in understanding the contributions of REM sleep to the developmental and experiential plasticity of the cerebral cortex.

scholarly journals Relations Between Safety and Security in Technical Systems

2007 ◽  
Vol 3 (1) ◽  
pp. 63-73 ◽  
Author(s):  
Zbigniew Smalko
Keyword(s):  
Decision Maker ◽  
Machine System ◽  
System A ◽  
The Subject ◽  
Technical Systems ◽  
Machine Control ◽  
The Relationship

Relations Between Safety and Security in Technical Systems The subject of this paper deals with the relationship between safety and security of the man - machine system. In the above system a man can act both as a decision - maker and operator. His desired psychophysical efficiency lies in the undertaking the correct decisions as well as in the skilful machine control and operating.

scholarly journals Reconsidering a role for attachment in eating disorder management in the context of paediatric diabetes

2021 ◽  
pp. 135910452098621
Author(s):  
Rosie Oldham-Cooper ◽  
Claire Semple ◽  
Laura L. Wilkinson
Keyword(s):  
Disordered Eating ◽  
Holistic Care ◽  
Stable Set ◽  
Future Directions ◽  
Paediatric Diabetes ◽  
Attachment Orientation ◽  
Mind And Body ◽  
The Mind ◽  
The Relationship

We suggest a reconsideration of the role of ‘attachment orientation’ in the context of eating disorders and paediatric diabetes. Attachment orientation is a psychological construct that describes a relatively stable set of expectations and behaviours an individual relies upon in managing relationships. There is considerable evidence of an association between attachment orientation and the development and maintenance of disordered eating in individuals without diabetes, though evidence is more scant in populations with diabetes. We discuss the underpinning theory and critically examine the existing literature for the relationship between attachment orientation and disordered eating in paediatric diabetes. Finally, we draw on adjacent literatures to highlight potential future directions for research should this area be revisited. Overall, we contextualise our discussion in terms of patient-centred, holistic care that addresses the mind and body (i.e., our discussion of attachment orientation assumes a psycho-biological approach).

The Fragmented Mind

2021 ◽  
Keyword(s):  
Philosophy Of Mind ◽  
Philosophy Of Language ◽  
Implicit Attitudes ◽  
David Lewis ◽  
Belief System ◽  
Belief State ◽  
Current Debate ◽  
Wide Range ◽  
The Mind ◽  
The Relationship

Mental fragmentation is the thesis that the mind is fragmented, or compartmentalized. Roughly, this means that an agent’s overall belief state is divided into several sub-states—fragments. These fragments need not make for a consistent and deductively closed belief system. The thesis of mental fragmentation became popular through the work of philosophers like Christopher Cherniak, David Lewis, and Robert Stalnaker in the 1980s. Recently, it has attracted great attention again. This volume is the first collection of essays devoted to the topic of mental fragmentation. It features important new contributions by leading experts in the philosophy of mind, epistemology, and philosophy of language. Opening with an accessible Introduction providing a systematic overview of the current debate, the fourteen essays cover a wide range of issues: foundational issues and motivations for fragmentation, the rationality or irrationality of fragmentation, fragmentation’s role in language, the relationship between fragmentation and mental files, and the implications of fragmentation for the analysis of implicit attitudes.

scholarly journals The psychological imagination

2016 ◽  
Vol 27 (2) ◽  
pp. 229-233 ◽  
Author(s):  
Luca Tateo
Keyword(s):  
Human Activity ◽  
Special Issue ◽  
Research Directions ◽  
Dialogical Self ◽  
Dialogical Self Theory ◽  
Higher Psychological Functions ◽  
New Research ◽  
The Relationship ◽  
Theoretical Issues ◽  
Symbolic Products

Abstract: The commentary presents an epistemological reflection about Dialogical Self theory. First, the theoretical issues of DS about the relationship between individuality, alterity and society are discussed, elaborating on the articles of this special issue. Then, it is presented the argument of psychologist's ontological fallacy, that is the attitude to moving from the study of processes to the study of psychological entities. Finally a development toward new research directions is proposed, focusing on the study of higher psychological functions and processes, taking into account complex symbolic products of human activity and developing psychological imagination.

scholarly journals Evaluation of laparoscopic vs robotic partial nephrectomy using the margin, ischemia and complications score system: a retrospective single center analysis

2015 ◽  
Vol 87 (1) ◽  
pp. 49 ◽  
Author(s):  
Stefano Ricciardulli ◽  
Qiang Ding ◽  
Xu Zhang ◽  
Hongzhao Li ◽  
Yuzhe Tang ◽  
...  
Keyword(s):  
Partial Nephrectomy ◽  
Risk Groups ◽  
Matched Pair ◽  
P Value ◽  
Robotic Partial Nephrectomy ◽  
Score System ◽  
Operative Outcomes ◽  
System A ◽  
Binary Regression Analysis ◽  
The Relationship

Objective: To evaluate differences between Laparoscopic Partial Nephrectomy (LPN) and Robot-Assisted Partial Nephrectomy (RAPN) using the Margin, Ischemia and Complications (MIC) score system and to evaluate factors related with MIC success. Materials and Methods: Single centre retrospective study on 258 LPN and 58 RAPN performed between January 2012 and January 2014. Success was defined when surgical margins was negative, Warm Ischemia Time (WIT) was ≤ 20 minutes and no major complications occurred. Mann-Whitney-U and Pearson χ2 correlation were used to compare LPN and RAPN. A matched pair comparison was also performed. Spearman correlation (Rho) was used to evaluate the relationship between clinical, intra and post-operative and pathological patients characteristics with MIC score. A binary regression analysis was also performed to evaluate independent factors associated with MIC success. Results: The MIC rate in LPN and RAPN was 55% and 65.5% respectively. No differences in clinical, intra and post-operative outcomes between groups were found. Clinical tumor size (p-value: < 0.001; OR: 0.829; 95% CI: 0.697-0.987), PADUA score (p-value: < 0.001; OR: 0.843; 95% CI: 0.740-0.960), PADUA risk groups (intermediate; p-value: < 0.001; OR: 0.416; 95% CI: 0.238- 0.792; high: p-value: < 0.001; OR: 0.356; 95% CI: 0.199- 0.636), WIT (p-value: < 0.001; OR: 0.598; 95% CI: 0.530- 0.675) were independently associated with MIC. eGFR (< 60 vs ≥ 60 ml/min per 1.73 m2: p-value: < 0.001; OR: 3.356; 95% CI: 1.701-6.621) and Fuhrman nuclear grade (p-value: 0.014; OR: 1.798; 95% CI:1.129-2.865) were also independently associated with MIC. Conclusions: MIC score system is a simple and useful tool to report and to compare different surgical approach.

scholarly journals Key Theoretical Issues in the Interaction of Law and Religion: A Guide for the Perplexed

2012 ◽  
Vol 19 (1, 2 & 3) ◽  
pp. 2011
Author(s):  
Benjamin L. Berger
Keyword(s):  
Legal Theory ◽  
Access Point ◽  
Religious Difference ◽  
State Authority ◽  
Key Issues ◽  
Role Of Religion ◽  
The Relationship ◽  
Religion In Public Life ◽  
Theoretical Issues

There is perhaps no more important access point into the key issues of modern political and legal theory than the questions raised by the interaction of law and religion in contemporary constitutional democracies. Of course, much classical political and moral theory was forged on the issue of the relationship between religious difference and state authority. John Locke’s work was directly influenced by this issue, writing as he did about the just configuration of state authority and moral difference in the wake of the Thirty Years’ War. Yet debates about the appropriate role of religion in public life and the challenges posed by religious difference also cut an important figure, in a variety of ways, in the writings of Hobbes, Rousseau, Spinoza, Hegel, and much of the work that we now view as being at the centre of the development of modern political philosophy.

scholarly journals The Experimental Generation of Interpersonal Closeness: A Procedure and Some Preliminary Findings

1997 ◽  
Vol 23 (4) ◽  
pp. 363-377 ◽  
Author(s):  
Arthur Aron ◽  
Edward Melinat ◽  
Elaine N. Aron ◽  
Robert Darrin Vallone ◽  
Renee J. Bator
Keyword(s):  
Attachment Style ◽  
Relationship Development ◽  
Relationship Building ◽  
Self Disclosure ◽  
Small Talk ◽  
Interpersonal Closeness ◽  
The Relationship ◽  
Theoretical Issues ◽  
Intensity Study ◽  
Adequate Power

A practical methodology is presented for creating closeness in an experimental context. Whether or not an individual is in a relationship, particular pairings of individuals in the relationship, and circumstances of relationship development become manipulated variables. Over a 45-min period subject pairs carry out self-disclosure and relationship-building tasks that gradually escalate in intensity. Study 1 found greater postinteraction closeness with these tasks versus comparable small-talk tasks. Studies 2 and 3 found no significant closeness effects, inspite of adequate power, for (a) whether pairs were matched for nondisagreement on important attitudes, (b) whether pairs were led to expect mutual liking, or (c) whether getting close was made an explicit goal. These studies also illustrated applications for addressing theoretical issues, yielding provocative tentative findings relating to attachment style and introversion/extraversion.

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