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Related Concept Videos

Clausius-Clapeyron Equation02:35

Clausius-Clapeyron Equation

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The equilibrium between a liquid and its vapor depends on the temperature of the system; a rise in temperature causes a corresponding rise in the vapor pressure of its liquid. The Clausius-Clapeyron equation gives the quantitative relation between a substance’s vapor pressure (P) and its temperature (T); it predicts the rate at which vapor pressure increases per unit increase in temperature.
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The Integrated Rate Law: The Dependence of Concentration on Time02:39

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While the differential rate law relates the rate and concentrations of reactants, a second form of rate law called the integrated rate law relates concentrations of reactants and time. Integrated rate laws can be used to determine the amount of reactant or product present after a period of time or to estimate the time required for a reaction to proceed to a certain extent. For example, an integrated rate law helps determine the length of time a radioactive material must be stored for its...
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Arrhenius Plots02:34

Arrhenius Plots

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The Arrhenius equation relates the activation energy and the rate constant, k, for chemical reactions. In the Arrhenius equation, k = Ae−Ea/RT, R is the ideal gas constant, which has a value of 8.314 J/mol·K, T is the temperature on the kelvin scale, Ea is the activation energy in J/mole, e is the constant 2.7183, and A is a constant called the frequency factor, which is related to the frequency of collisions and the orientation of the reacting molecules.
The Arrhenius equation can be used...
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Reaction Rate02:53

Reaction Rate

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The rate of reaction is the change in the amount of a reactant or product per unit time. Reaction rates are therefore determined by measuring the time dependence of some property that can be related to reactant or product amounts. Rates of reactions that consume or produce gaseous substances, for example, are conveniently determined by measuring changes in volume or pressure.
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Phase Diagrams02:39

Phase Diagrams

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A phase diagram combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and solid-gas phase-transition equilibria of a substance. These diagrams indicate the physical states that exist under specific conditions of pressure and temperature and also provide the pressure dependence of the phase-transition temperatures (melting points, sublimation points, boiling points). Regions or areas labeled solid, liquid, and gas represent single phases, while lines or curves represent...
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Histone Variants at the Centromere02:30

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Histone variants are the histone proteins with structural and sequence variations. These variants may be regarded as “mutant” forms that replace their canonical histone counterparts in the nucleosomes. Specific post-translational modifications on the histone variants enable further chromatin complexity and regulate tissue-specific gene expression. The most common histone variants are from histone H2A, H2B, and linker histone H1 families. However, several variants of histone H3...
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Teleanalysis: Slippery Slope or Rich Opportunity?

Lena Theodorou Ehrlich

    Journal of the American Psychoanalytic Association
    |May 16, 2019
    PubMed
    Summary

    Teleanalysis, or remote psychoanalytic therapy, can be highly effective for motivated patients, even with occasional technical issues. Blending remote and in-person sessions offers unique analytical benefits.

    Keywords:
    Skypeanalytic framecountertransferencereluctanceresistanceseparationteleanalysistelephone analysistransferencevideoconferencing

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    Area of Science:

    • Psychology
    • Psychotherapy
    • Digital Health

    Background:

    • Teleanalysis, or remote psychoanalytic therapy, faces skepticism regarding its efficacy.
    • Critics question the impact of physical distance and technological challenges on therapeutic outcomes.

    Purpose of the Study:

    • To explore the conditions under which teleanalysis can be effective.
    • To challenge the notion that remote psychoanalytic work is inherently limited.

    Main Methods:

    • Analysis of clinical material from three case studies of teleanalysis.
    • Examination of factors contributing to successful remote therapeutic engagement.

    Main Results:

    • Teleanalysis can yield significant analytic insights for motivated patients.
    • Physical distance and technological issues do not necessarily impede successful psychoanalytic treatment.
    • Integrating remote and occasional in-person sessions can enhance the analytical experience.

    Conclusions:

    • Teleanalysis is a viable and effective therapeutic modality under specific conditions.
    • The combination of teleanalysis and in-person sessions offers unique advantages.
    • Motivated patients can benefit greatly from remote psychoanalytic work.