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D using the identical set ofFrontiers in Psychology Perception ScienceFebruary 2015 Volume six Report 22 Poggel et al.Improvement of visual temporal processingTable 1 Patient qualities. Patient number 2 three four five 6 7 8 9 12 Age (years) 35 62 49 43 22 44 23 51 44 Gender (femalemale) Female Female Male Male Female Male Male Male Male Lesion age (months) 60 27 36 11 eight 87 42 ten 27 Hemisphere (leftright) Proper Appropriate Optic nerve Ideal Right Ideal Left Left Proper Location of lesion Trigger of lesion Vision lossPosterior artery Medial artery () Optic nerve Optic radiation Posterior artery Posterior artery Medial artery Posterior artery () Posterior artery ()Aneurysm clipping Infarction Tumor surgery Infarction Infarction Infarction Trauma Bleeding InfarctionHom. hemianopia left Hom. hemianopia left Bilateral, heteronymous Hom. quadrantanopia Hom. quadrantanopia Hom. hemianopia Hom. hemianopia Hom. hemianopia Hom. hemianopiamethods within the T z Temporal Topography Study (Poggel et al., 2012a,b). Individuals served as their own control group: only individuals with chronic, steady vision loss were included within this study. Stability of visual field size was ascertained by repeated visual field testing over a period of numerous weeks or months prior to and immediately after coaching. Because the effectiveness of your coaching program had been shown earlier in two randomized, placebo-controlled trials (Kasten et al., 1998; Sabel and Gudlin, 2014), we didn’t contain a placebo control group right here.DOUBLE-PULSE RESOLUTIONFor assessing temporal resolution inside the visual field, we measured double-pulse resolution thresholds PubMed ID:http://www.ncbi.nlm.nih.gov/pubmed/21384531 (DPR; Treutwein, 1989, 1995, 1997; Treutwein and Rentschler, 1992). Participants had been sitting inside a darkened room (illuminance 1.5 lx), their head positioned on a chin rest at 30 cm viewing distance in front of a test screen. Stimuli have been presented with microsecond accuracy on a 17-inch x-y-z monitor (HP 1310) that was controlled by DA converters (“point plot buffer”; G. Finlay, Edmonton, Canada) connected to a Computer. A cross-hair was displayed before each and every trial. During a trial, nine rectangular white light stimuli (luminance: 215 cdm2 , size: 1.15 had been presented simultaneously on the screen, 1 inside the center, as well as the other people on a circle around it in the intersections with all the main horizontal, vertical, and 45meridians. Eight with the nine stimuli inside a trial served as distracters and were presented constantly, whilst the target was interrupted by a temporal gap which resulted within the perception of a brief flicker of that stimulus for gap durations above threshold. For every single trial, the participant verbally indicated the target position, plus the experimenter entered the response using the laptop get Oxytocin receptor antagonist 1 keyboard so that the participant could retain their eyes fixated at the center with the screen. Fixation was controlled with an eye tracking device (IViewX, Sensomotoric Instruments, Teltow, Germany) and by the experimenter observing the subject’s eye position by means of a mirror. The new trial was started when the subject was ready with steady fixation in the center with the screen. The YAAP maximum-likelihood algorithm (Treutwein, 1995, 1997) controlled the gap duration amongst the two light pulses with the target stimulus. The starting point was set to 80 ms which was nicely above threshold for intact positions within the visual field. DPR thresholds were determined independently of each and every other in an interleaved fashion; target positions varied randomly from trial to trial. For stabilizing the ada.

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