1,720,979 research outputs found
Il valore moderno delle costruzioni
No full textHa ancora senso oggi parlare di Costruzioni in analisi?
Il nostro lavoro prende le mosse dal saggio di Freud del 1937 “Costruzioni nell’analisi”, tentando di riportare all’attenzione numerosi problemi, tutt’ora aperti: quale valore per queste costruzioni? Possiamo ancora contrapporre reale e oggettivo o soggettivo e fantastico? Quali o quale verità inseguono le costruzioni? Che possibilità hanno di recuperare il passato? Quale posto occupano oggi nell’operare analitico?
In mezzo a contrastanti polemiche sul ruolo e sulle possibilità che la psicoanalisi ha di “costruire e ricostruire”, tra l’inadeguatezza scientifica e metodologica e l’esperienza artistica ed estetica, si cercherà di coniugare gli ultimi sviluppi della teoria classica, lascito freudiano, con il vivace dibattito odierno. L’era post-freudiana ha visto l’affermarsi degli studi relazionali, l’espandersi della clinica a molteplici patologie, il fiorire dell’osservazione in ambito evolutivo. Il panorama moderno, così intensamente variegato, è il frutto di un’ampia gamma, a volte frammentata, di gruppi e indirizzi e relativizzazione teorica. Questo pluralismo abbraccia la filosofia, l’arte, la letteratura e certo anche la psicoanalisi. Con l’aumentare dei punti di vista e con l’attenzione alla clinica ci sembra necessario un lavoro di riflessione epistemologica, un punto di “repere” extraclinico, che si ponga non certo come modello assolutizzante, ma quantomeno come base fruttifera di un dialogo e di un ascolto produttiv
Per un'analisi argomentativa del colloquio
No full textIl presente lavoro ha lo scopo di calare nella realtà del colloquio psicologico lo studio dell'argomentazione retorica per psicologi che aiuta il clinico a comprendere anche nella forma le parole del pazient
Switching direction of laterally ordered monolayers induced by transfer instability
No full textLangmuir-Blodgett monolayers may show nanoscopic periodic patterns parallel and/or perpendicular to the transfer direction. The experimental findings are interpreted by a nonequilibrium model based on the stability of surfactant concentration and film thickness coupled fluctuations near the meniscus of a surfactant-covered receding thin film. In the high and low transfer speed limits, periodic fluctuations of the fluid subphase thickness, respectively perpendicular and parallel to the transfer, are selected. A qualitative phase diagram shows how transfer speed and film density manage the pattern shap
Inibizione
No full textIl concetto di inibizione viene affrontato in ottica psicoanalitica e neurofisiologic
Helical Inclusions in Phospholipid Membranes: Lipid Adaptation and Chiral Order
No full textThe lipid bilayer is a flexible matrix that is able to adapt in response to the perturbation induced by inclusions, such as peptides and proteins. Here we use molecular dynamics simulations with a coarse-grained model to investigate the effect of a helical inclusion on a lipid bilayer in the liquid disordered phase. We show that the helical inclusion induces a collective tilt of acyl chains, with a small, yet unambiguous difference between a right- and a left-handed inclusion. This behavior is rationalized using the elastic continuum theory: The magnitude of the chiral (twist) deformation of the bilayer is determined by the interaction at the lipid/inclusion interface, and the decay length is controlled by the elastic properties of the bilayer. The lipid reorganization can thus be identified as a generic mechanism that, together with specific interactions, contributes to chiral recognition in phospholipid bilayers. An enhanced response is expected in highly ordered environments, such as rafts in biomembranes, with a potential impact on membrane-mediated interactions between inclusions
Instability induced ordered structures during the transfer of a Langmuir-Blodgett monolayer: an experimental and theoretical study
No full textOrdered superstructures at organic/inorganic interfaces by equilibrium and out-of-equilibrium processes
No full textPressure-induced formation of diblock copolymer "micelles" in supercritical fluids. A combined study by small angle scattering experiments and mean-field theory. II. Kinetics of the unimer-aggregate transition
No full textPolymer and diblock copolymer phase separation in supercritical (SC) fluids was analyzed by developing a mean-field theory. A phenomenological hole theory that was extended to consider the polymer/solvent/vacancy pseudoternary mixture was used to describe the highly compressible SC fluid. In high density, the homogeneous phase was was favored while polymer aggregation was triggered by the reduced polymer-solvent contacts at low densities. The critical solvent density required for the onset of phase separation (CMD) decreased linearly with temperature, with its slope being tightly dependent on solvent and polymer properties
Anomalous dielectric behavior of undulated lipid membrane. Theoretical model and dielectric spectroscopy measurements of the ripple phase of phosphatidylcholine
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