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Structure and spectroscopy of phosphorus cluster anions: Theory (simulated annealing) and experiment (photoelectron detachment) (1995)

Jones, R. O. ; Ganteför, G. ; Hunsicker, S. ; [et al.]

College Park, Md. : American Institute of Physics (AIP)

The Journal of Chemical Physics 103 (1995), S. 9549-9562

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ISSN: 1089-7690

Source: AIP Digital Archive

Topics: Physics , Chemistry and Pharmacology

Notes: Photoelectron detachment measurements have been performed on singly charged phosphorus cluster anions with up to nine atoms, generated by a pulsed arc cluster ion source (PACIS). Transitions between the anion ground states and states of the neutral clusters are observed for all clusters, and vibrational fine structure in both dimer and trimer. A comparison with the results of density functional calculations with simulated annealing—an extension to negative ions of earlier work on neutral and positively charged clusters—provides a consistent overall picture for all cluster sizes and the first experimental structural information on several. © 1995 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.469969

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Left and right superior parietal lobule in tactile object discrimination (2004)

Stoeckel, M. C. ; Weder, B. ; Binkofski, F. ; [et al.]

Oxford, UK : Blackwell Science Ltd

European journal of neuroscience 19 (2004), S. 0

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ISSN: 1460-9568

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Medicine

Notes: Tactile object discrimination is one of the major manual skills of humans. While the exploring finger movements are not perceived explicitly, attention to the movement-evoked kinaesthetic information gates the tactile perception of object form. Using event-related functional magnetic resonance imaging in seven healthy subjects we found one area in the right superior parietal cortex, which was specifically activated by kinaesthetic attention during tactile object discrimination. Another area with similar location in the left hemisphere was related to the maintenance of tactile information for subsequent object discrimination. We conclude that kinaesthetic information is processed in the anterior portion of the superior parietal cortex (aSPL) with a right hemispheric predominance for discrimination and a left hemispheric predominance for information maintenance.