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The Influence of Burst-Firing EMF on Forskolin-Induced Pheochromocytoma (PC12) Plasma Membrane Extensions. NEUROSCI 2021. [DOI: 10.3390/neurosci2040028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Previous research has demonstrated that pheochromocytoma (PC12) cells treated with forskolin provides a model for the in vitro examination of neuritogenesis. Exposure to electromagnetic fields (EMFs), especially those which have been designed to mimic biological function, can influence the functions of various biological systems. We aimed to assess whether exposure of PC12 cells treated with forskolin to patterned EMF would produce more plasma membrane extensions (PME) as compared to PC12 cells treated with forskolin alone (i.e., no EMF exposure). In addition, we aimed to determine whether the differences observed between the proportion of PME of PC12 cells treated with forskolin and exposed to EMF were specific to the intensity, pattern, or timing of the applied EMF. Our results showed an overall increase in PME for PC12 cells treated with forskolin and exposed to Burst-firing EMF as compared to PC12 cells receiving forskolin alone. No other patterned EMF investigated were deemed to be effective. Furthermore, intensity and timing of the Burst-firing pattern did not significantly alter the proportion of PME of PC12 cells treated with forskolin and exposed to patterned EMF.
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Gendle MH, McGrath MG. Can the 8-Coil Shakti Alter Subjective Emotional Experience? A Randomized, Placebo-Controlled Study. Percept Mot Skills 2012; 114:217-35. [DOI: 10.2466/02.24.pms.114.1.217-235] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
At present, a commercially available device (the 8-coil Shakti) claims to produce weak and complex magnetic fields that alter neurobiological processes. The effects of the Shakti on emotional responses to photographs that varied on emotional valence were investigated. Participants ( N = 37) were exposed to either 30 min. of magnetic fields or a sham condition and rated their emotional reactions to a set of 54 color photographs. Although participants indicated significantly different emotional responses to images with distinct emotional valences, exposure to magnetic fields did not affect these responses, nor significantly interact with image emotional valence. Although the device's “amygdala signal” had no effect on the emotive response to images in this study, additional investigations examining the effects of weak and complex magnetic fields on various aspects of perception and cognition are warranted.
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Stable motor cortex excitability in red and green lighting conditions. Neurosci Lett 2009; 460:32-5. [DOI: 10.1016/j.neulet.2009.05.034] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2009] [Revised: 04/29/2009] [Accepted: 05/12/2009] [Indexed: 11/21/2022]
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