Valence

Valence Valence is a city in southeastern France historically associated with trade, transportation and regional administration. It appears in literature on Roman Empire, Middle Ages, French Revolution and modern European Union infrastructure projects. The name also denotes several technical concepts across chemistry, psychology, linguistics and computer science.

Definition and Overview

In geography, Valence is an urban commune in the Drôme (department), linked to corridors such as the Rhône River, the A7 autoroute and the Paris–Marseille railway. The place features monuments connected to figures like Pope Pius VII, Marshal Davout and writers such as Victor Hugo, and institutions like the Université Grenoble Alpes and regional bodies of the Conseil régional Auvergne-Rhône-Alpes. Outside geography, valence is a multidisciplinary term used in chemistry, psychology, linguistics and computer science; it appears in studies by scholars associated with Royal Society, Max Planck Society, American Psychological Association and standard-setting bodies such as IUPAC.

Chemical Valence and Bonding

Chemical valence denotes the combining capacity of atoms as formalized in historical sources like the work of Antoine Lavoisier, Jöns Jakob Berzelius, Gilbert N. Lewis and Linus Pauling. In valence theory, atoms such as carbon, oxygen, hydrogen and nitrogen form bonds exemplified in molecules like methane, water, ammonia and carbon dioxide. Modern treatments connect valence with concepts from quantum mechanics, molecular orbital theory, band theory and computational approaches employed at institutions like Lawrence Berkeley National Laboratory and Institut Pasteur. Bond order, coordination number and oxidation states used by IUPAC link to experimental techniques developed at facilities such as CERN, Brookhaven National Laboratory and European Synchrotron Radiation Facility for spectroscopy and diffraction studies of valence electrons.

Valence in Psychology and Neuroscience

In affective science, valence describes the intrinsic positivity or negativity of emotional states discussed in frameworks from William James and Sigmund Freud to contemporary models by Richard Lazarus, Paul Ekman and researchers at the National Institute of Mental Health. Valence interacts with dimensions such as arousal in circumplex models advanced by centers like Max Planck Institute for Human Cognitive and Brain Sciences and universities including Harvard University and University of California, Berkeley. Neuroscientific investigations link valence processing to neural substrates studied with tools from Functional magnetic resonance imaging groups at Massachusetts General Hospital and electrophysiology labs at Cold Spring Harbor Laboratory, implicating regions studied in work by teams at McGill University and University College London.

Valence in Linguistics and Grammar

In linguistics, valence refers to the number and type of arguments a predicate selects, a concept elaborated in traditions stemming from scholars like Ferdinand de Saussure, Noam Chomsky, Lucien Tesnière and contemporary schools at Massachusetts Institute of Technology and University of Oxford. Valence interacts with valency-changing operations examined in corpora curated by projects at Linguistic Society of America, lexicons such as those produced by Oxford University Press and computational grammars used by Google and Stanford University. Cross-linguistic typology studies by teams at Max Planck Institute for Evolutionary Anthropology and fieldwork reported in journals of Cambridge University Press document alternations in transitivity, causatives and applicatives across languages including French, English, Russian, Japanese and Swahili.

Measurement, Models, and Applications

Measurement of valence in different domains uses distinct metrics and models: in chemistry, spectroscopic signatures and quantum-chemical computations developed at IBM Research and Argonne National Laboratory quantify electron valence; in psychology, self-report scales, physiological markers and behavioral tasks standardized by organizations like the American Psychological Association assess affective valence. Computational models include connectionist networks influenced by work at Carnegie Mellon University and probabilistic models used in projects at Stanford University and DeepMind. Applications span materials science for valence-band engineering in devices from Intel and Samsung Electronics, clinical assessment in psychiatry at institutions like Johns Hopkins Hospital and natural language processing pipelines deployed by Microsoft and Facebook.

Category:Cities in Auvergne-Rhône-Alpes Category:Chemical bonding Category:Emotion Category:Linguistics