def __init__(self, subject, pre_fix, contrast):
self.logger = Logger(subject, pre_fix)
self.control_contrast = contrast
tGuess = math.log10(self.control_contrast)
tGuessSd = 2.0 # sd of Gaussian before clipping to specified range
pThreshold = 0.82
#beta = 3.5
beta = 4.0
delta = 0.01
gamma = 0.5
grain = 0.01
scope = 3
self.quest_obj = QuestObject(tGuess=tGuess,
tGuessSd=tGuessSd,
pThreshold=pThreshold,
beta=beta,
delta=delta,
gamma=gamma,
grain=grain,
scope=scope)
self.trialsDesired = 50
self.logger.write("QUEST for Sensory Eye Dominance(SED) measurement")
self.logger.write(
"Quest object is initiated with "
"tGuess:%.2f "
"tGuessSd:%.2f "
"pThreshold:%.2f "
"beta:%.2f "
"delta:%.2f "
"gamma:%.2f "
"grain:%.2f "
"scope:%.2f " %
(tGuess, tGuessSd, pThreshold, beta, delta, gamma, grain, scope))
self.logger.write("Quest trials is set to %d" % self.trialsDesired)
