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Related Concept Videos

States of Matter01:20

States of Matter

Solids, liquids, and gases are the three states of matter commonly found on Earth. A solid is rigid and possesses a definite shape. A liquid flows and takes the shape of its container, except it forms a flat or slightly curved upper surface when acted upon by gravity. Both liquid and solid samples have volumes nearly independent of pressure. A gas takes both the shape and volume of its container.
Scientists have discovered a fourth state of matter, plasma, that occurs naturally in the interiors...
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States of Matter and Phase Changes

The internal energy of a substance—the total kinetic energy of all its molecules and the potential energy of their associated forces—depends on the strength of the intermolecular forces in the condensed phases and the pressure exerted on the substance. The internal energy of a substance is the highest in the gaseous state, the lowest in the solid state, and intermediate in the liquid state. Phase transitions are caused by changes in physical conditions, such as temperature and pressure, that...
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Chemistry is the study of matter and the changes it undergoes. Matter is anything that has mass and occupies space. Matter is all around us; the air, water, soil, mountains, even our bodies are all examples of matter. Matter is divided into three states — solid, liquid, and gas — that are commonly found on earth. The fourth state of matter, plasma, occurs naturally in the interiors of stars.
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Personality traits represent consistent patterns in behavior, thoughts, and emotions, reflecting an individual's tendencies across various situations. For example, extraversion, a well-known trait, manifests in individuals as talkative, energetic, and enthusiastic behaviors. These traits are stable over time, offering a reliable framework for predicting how people might act in different contexts. However, they do not define every moment of an individual's life. In contrast to traits, states are...
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The frequency-domain technique, commonly used in analyzing and designing feedback control systems, is effective for linear, time-invariant systems. However, it falls short when dealing with nonlinear, time-varying, and multiple-input multiple-output systems. The time-domain or state-space approach addresses these limitations by utilizing state variables to construct simultaneous, first-order differential equations, known as state equations, for an nth-order system.
Consider an RLC circuit, a...
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In the field of chemistry, the terms "component" and "phase" hold significant importance. A component refers to a chemically distinct substance in a system that has specific properties. It is chemically homogeneous, meaning it has the same properties throughout. For example, in a mixture of salt and water, both salt and water are considered separate components because they have different chemical properties.On the other hand, a phase is a form of matter that has a consistent chemical...

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Related Experiment Video

Updated: May 14, 2026

State-Dependency Effects on TMS: A Look at Motive Phosphene Behavior
12:38

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Published on: December 28, 2010

[Mixed states].

Pierre-Michel Llorca1, Thomas Charpeaud, Ludovic Samalin

  • 1CHU Clermont- Ferrand, BP 69, Clermont- Ferrand cedex 01, France. pmllorca@chu-clermontferrand.fr

L'Encephale
|February 12, 2013
PubMed
Summary
This summary is machine-generated.

Mixed states in bipolar disorder are currently defined too narrowly. A dimensional approach, likely for DSM-V, may better capture these heterogeneous episodes and inform treatment.

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Area of Science:

  • Psychiatry
  • Mental Health
  • Clinical Psychology

Context:

  • The classification of psychiatric disorders, or nosography, has long debated the definition of mixed states.
  • Current diagnostic criteria (DSM-IV) define mixed states restrictively within bipolar I disorder.
  • Clinical practice reveals heterogeneity within bipolar disorder that current definitions may not fully encompass.

Purpose:

  • To discuss the limitations of the current DSM-IV definition of mixed states in bipolar disorder.
  • To propose a dimensional approach for classifying mixed states in the upcoming DSM-V.
  • To highlight the clinical relevance of reclassifying mixed states.

Summary:

  • The definition of mixed states in bipolar disorder, as per DSM-IV, is considered too restrictive for clinical practice.
  • A shift towards a dimensional approach in the forthcoming DSM-V is anticipated for defining mixed states.
  • This reclassification may better reflect the clinical heterogeneity of bipolar disorder, impacting prognosis and treatment.

Impact:

  • A revised classification of mixed states could lead to more accurate diagnoses.
  • Understanding mixed states through a dimensional lens may improve prognostic assessments.
  • Tailored therapeutic strategies for episodes with mixed features could enhance patient outcomes.