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Emergent phenomena math

Valeria Edefonti, Valentina Rosato, Maria Parpinel, Gabriella Nebbia, Lorenzo Fiorica, Emilio Fossali, Monica Ferraroni, Adriano Decarli, Carlo Agostoni
BACKGROUND: Most studies that assess the effects of breakfast on subsequent mental abilities compared performance in subjects who had or had not consumed this meal. However, characteristics of breakfast itself may induce metabolic and hormonal alterations of the gastrointestinal tract and potentially modify cognitive performance. Moreover, as far as the evidence on the positive effects of having breakfast is becoming more robust, interest may shift to the specific characteristics of an adequate breakfast...
August 2014: American Journal of Clinical Nutrition
Janardhanan C Narayanaswamy, Prashant Tibrewal, Amit Zutshi, Ravindra Srinivasaraju, Suresh Bada Math
OBJECTIVE: This study aims at identifying predictors of treatment response to lorazepam in catatonia. METHODS: The clinical charts of 107 inpatients, admitted over duration of 2 years, with a primary diagnosis of catatonia were examined for response to lorazepam trial. Trial was considered as having received 3-6 mg per day of lorazepam for at least 3 days. RESULTS: Out of these 107 patients, 99 received lorazepam and 8 received electroconvulsive therapy as the first line of management...
May 2012: General Hospital Psychiatry
R D O'Dea, J R King
Intercellular signalling is key in determining cell fate. In closely packed tissues such as epithelia, juxtacrine signalling is thought to be a mechanism for the generation of fine-grained spatial patterns in cell differentiation commonly observed in early development. Theoretical studies of such signalling processes have shown that negative feedback between receptor activation and ligand production is a robust mechanism for fine-grained pattern generation and that cell shape is an important factor in the resulting pattern type...
February 2012: Journal of Mathematical Biology
Anirban Misra, Sambhu N Datta
An investigation of the relativistic dynamics of N+1 spin-12 particles placed in an external, homogeneous magnetic field is carried out. The system can represent an atom with a fermion nucleus and N electrons. Quantum electrodynamical interactions, namely, projected Briet and magnetic interactions, are chosen to formulate the relativistic Hamiltonian. The quasi-free-particle picture is retained here. The total pseudomomentum is conserved, and its components are distinct when the total charge is zero. Therefore, the center-of-mass motion can be separated from the Hamiltonian for a neutral (N+1)-fermion system, leaving behind a unitarily transformed, effective Hamiltonian H(0) at zero total pseudomomentum...
August 8, 2005: Journal of Chemical Physics
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