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Record W1971079157 · doi:10.15369/sujms1989.20.131

Emotions before Intention : Source Generators in the Limbic Area before Bereitschafts Potential

2008· article· en· W1971079157 on OpenAlexaboutno aff
Manabu Inoue, Yuri Masaoka, Youhei Onaka, Yuuki Shimizu, Mitsuru Kawamura, Ikuo Homma

Bibliographic record

VenueThe Showa University Journal of Medical Sciences · 2008
Typearticle
Languageen
FieldNeuroscience
TopicMemory and Neural Mechanisms
Canadian institutionsnot available
Fundersnot available
KeywordsSupplementary motor areaNeuroscienceHippocampusElectroencephalographyAmygdalaMedicinePsychologyFunctional magnetic resonance imaging

Abstract

fetched live from OpenAlex

The sensorimotor area, supplementary motor area, and cingulate cortex of the frontal medial wall are important regions for the generation and control of movement.Traditionally, investigations into the control of movement were performed using neuroimaging and electroencephalography recordings with subdural electrodes.Recent advances in electroencephalograph analysis with dipole-tracing analysis incorporating a realistic three-layer head model (scalp-skull-brain head model) provide a non-invasive method for the detection of dipoles in the millisecond range.These advances allow investigations into the underlying processing of cognitive function and movement execution.In the present study, we constructed a scalp-skull-brain head model from Montreal Neurological Institute standard brain images and detected dipole localizations in the millisecond range from the grand-averaged negative slope to motor potentials during a simple pinching movement.We used dipole analysis of the grand average for all subjects, incorporating the Montreal Neurological Institute standard brain images, and show the involvement of general locations related to the task.For left hand pinching, the electroencephalograph revealed the order as Bereitschafts potential, negative slope, motor potential.The dipoles were converged in the same order in the supplementary motor area proper, cingulate motor area, and in the sensorimotor area, area for hand motor area.A similar pattern was observed for right hand pinching movement.We show that the dipole converges in the contralateral side of the hippocampus and amygdala before the onset of the Bereitschafts potential.Since the hippocampus and amygdala are associated with the limbic cycles, our findings suggest that both the hippocampus and amygdala are required for the function of the cortico-basal ganglionic thalamocortical loop.Together, this study suggests that strong emotional factors must exist before intentional movement, and before activation of the higher cortical centers.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.001
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.002
Threshold uncertainty score0.007

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0020.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.098
GPT teacher head0.281
Teacher spread0.183 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2008
Admission routes1
Has abstractyes

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