Techniques are disclosed for reporting occupied and unoccupied parking spaces are disclosed. The body includes a studio chamber enclosure formed by a floor, a ceiling, spaced opposite outer side walls and spaced outer front and rear walls, and the floor includes a stage area. Symbols in the formula represent the following meanings; A: a single bond or C1-C6 alkylene, R1: phenyl which may be substituted, etc. Thus, the neuro-enhancing agents, compositions and methods disclosed herein are useful to reverse or prevent neurological disease or defects associated with neural loss or degeneration, such as Alzheimer’s disease, neurological injuries, including injuries resulting from radiation therapy, and age-related neurological decline, including impairments in memory and learning. The openings are arranged on the saw plate to pass by the recessed area and are dimensioned to receive liquid therein for transport away from the recessed area. The angular range of light incident from the light source is narrower along a direction of the repeating structures than along an orthogonal direction.