def VisualHyperventilateBlock(rp, ap):
'''Block of rotating checkerboard + breathhold.'''
## Prepare instructions.
instr = ['Inhale', 'Inhale', 'Exhale', 'Exhale'] * 5
## Log onset of breath hold.
logging.log(level=logging.EXP, msg='Hyperventilate')
## Breath-hold only.
timer = clock.CountdownTimer(10)
while timer.getTime() > 0:
## Update text.
Counter.setText('%0.0f' % (1 + ceil(timer.getTime()) % 2))
Counter.draw()
W.flip()
## Check keys.
CheckForEscape()
## Log onset of radial checkerboard.
logging.log(level=logging.EXP, msg='Checkerboard')
## Breathhold + radial checkerboard.
timer = clock.CountdownTimer(10)
while timer.getTime() > 0:
## Update radial checkerboard.
RCB.setRadialPhase(0.025, rp)
RCB.setAngularPhase(0.025, ap)
RCB.draw()
## Update text.
Counter.setText('%0.0f' % (1 + ceil(timer.getTime()) % 2))
Counter.draw()
W.flip()
## Check keys.
CheckForEscape()
## Log offset of breath-hold.
logging.log(level=logging.EXP, msg='Hyperventilate end')
## Radial checkerboard only.
timer = clock.CountdownTimer(10)
while timer.getTime() > 0:
## Update radial checkerboard.
RCB.setRadialPhase(0.025, rp)
RCB.setAngularPhase(0.025, ap)
RCB.draw()
fix.draw()
W.flip()
## Check keys.
CheckForEscape()
def VisualBreathHoldBlock(rp, ap):
'''Block of rotating checkerboard + breathhold.'''
## Log onset of breath hold.
logging.log(level=logging.EXP, msg='Breath hold')
## Breath-hold only.
timer = clock.CountdownTimer(10)
while timer.getTime() > 0:
## Update text.
Counter.setText('%0.0f' % (timer.getTime() + 10))
Counter.draw()
W.flip()
## Check keys.
CheckForEscape()
## Log onset of radial checkerboard.
logging.log(level=logging.EXP, msg='Checkerboard')
## Breathhold + radial checkerboard.
timer = clock.CountdownTimer(10)
while timer.getTime() > 0:
## Update radial checkerboard.
RCB.setRadialPhase(0.025, rp)
RCB.setAngularPhase(0.025, ap)
RCB.draw()
## Update text.
Counter.setText('%0.0f' % timer.getTime())
Counter.draw()
W.flip()
## Check keys.
CheckForEscape()
## Log offset of breath-hold.
logging.log(level=logging.EXP, msg='Breath hold end')
## Radial checkerboard only.
timer = clock.CountdownTimer(10)
while timer.getTime() > 0:
## Update radial checkerboard.
RCB.setRadialPhase(0.025, rp)
RCB.setAngularPhase(0.025, ap)
RCB.draw()
fix.draw()
W.flip()
## Check keys.
CheckForEscape()
def _run_trial_main_loop(self, clock, time_bar_x):
""" To run the main drawing loop """
started_drawing = False
cursor_t = np.zeros([10000]) # for recording times with cursor pos
mouse = event.Mouse(win=self.win)
#MD: Probably a better pattern -> two separate while loops,
# one for activating the cyan square and moving to the beginning
# then another one drawing and incrementing the bar
#
# As it is currently done, we have to evaluate all the ifs during each
# while cycle
# ---> actually this is what is happening...
while True:
self.draw_and_flip(exclude=['trace'])
if mouse.isPressedIn(self.frame['elements']['start_point']):
self.log.debug('Mouse pressed in startpoint')
# change to cyan
# older psychopy versions use str instead of arr to set color
# eg 'Cyan'
self.frame['elements']['start_point'].fillColor = [-1, 1, 1]
tic = clock.getTime()
self.draw_and_flip(exclude=['trace', 'instructions'])
break
while True:
# drawing has begun
if mouse.isPressedIn(self.frame['elements']['cursor']):
self.log.debug('Mouse started drawing with cursor')
started_drawing = True
self.frame['lifted'] = False
trial_timer = clock.CountdownTimer(self.trial_settings['trial_duration'])
# save start time
start_t_stamp = clock.getTime()
# calc pre trial time
ptt = start_t_stamp - tic
# shrink time bar, draw trace, once drawing has started
if started_drawing:
if self.verbose:
print('STARTED DRAWING')
self._exec_drawing(trial_timer, mouse, time_bar_x, cursor_t)
# time_bar elapsed
if self.verbose:
print('breaking out of main')
break
return ptt, start_t_stamp, cursor_t
def FixationBlock(sec):
"""Present fixation cross."""
# Draw/log fixation cross.
fix.draw()
W.logOnFlip(level=logging.EXP, msg='Fixation cross')
W.flip()
# Wait.
timer = clock.CountdownTimer(sec)
while timer.getTime() > 0:
# Check keys.
CheckForEscape()
def FixationBlock(sec):
'''Block of fixation cross for XX seconds.'''
## Draw/log fixation cross.
fix.draw()
W.logOnFlip(level=logging.EXP, msg='Fixation cross')
W.flip()
## Wait.
timer = clock.CountdownTimer(sec)
while timer.getTime() > 0:
## Check keys.
CheckForEscape()
def BreathHoldBlock(sec):
'''Block of breathholding for XX seconds.'''
## Log onset of breath hold.
logging.log(level=logging.EXP, msg='Breath hold')
## Run breath-hold task.
timer = clock.CountdownTimer(sec)
while timer.getTime() > 0:
## Update text.
Counter.setText('%0.0f' % timer.getTime())
Counter.draw()
W.flip()
## Check keys.
CheckForEscape()
def CheckerBoardBlock(sec, rp='+', ap='+'):
"""Block of rotating checkerboard for XX seconds."""
## Log onset of checkerboard.
logging.log(level=logging.EXP, msg='Checkerboard')
## Run visual checkerboard.
timer = clock.CountdownTimer(sec)
while timer.getTime() > 0:
## Update radial checkerboard.
RCB.setRadialPhase(0.025, rp)
RCB.setAngularPhase(0.025, ap)
RCB.draw()
W.flip()
## Check keys.
CheckForEscape()
def TextTrial(stimulus, text, time, keyList):
"""Present text to participant."""
## Update text.
stimulus.setText(text)
stimulus.draw()
## Draw text.
W.logOnFlip(level=logging.EXP, msg=text)
TimeStamp = W.flip()
## Wait for response.
timer = clock.CountdownTimer(time)
KeyPress = None
while timer.getTime() > 0:
if not KeyPress:
KeyPress = event.getKeys(keyList=keyList)
def InstructionsBlock(sec):
'''Present instructions for XX seconds.'''
Instr = visual.TextStim(W,
units='norm',
pos=(0, 0),
antialias=False,
bold=True,
color=(139, 0, 0),
colorSpace='rgb255',
autoLog=False)
## Wait.
timer = clock.CountdownTimer(sec)
while timer.getTime() > 0:
Instr.setText('%s in %0.0f' % (task, timer.getTime()))
Instr.draw()
W.flip()
## Check keys.
CheckForEscape()
from psychopy.iohub import client
# launch a win instance to intercept the keypresses
# so that they are not sent to the console
win = visual.Window()
# Start the ioHub process. 'io' can now be used during the
# experiment to access iohub devices and read iohub device events
io = client.launchHubServer()
io.devices.mouse.reporting = False
print('Press [SPACE] to continue... ')
waitKeyPress(io, key=' ', timeout=10)
all_percepts = []
trial_timer = clock.CountdownTimer(start=3)
pb = get_percept_report(io, clear=True)
current_percept = pb[-1]
while trial_timer.getTime() > 0:
win.flip()
pb = get_percept_report(io)
io.devices.keyboard.reporting = False
print('Trial ended')
print(pb)
pb = merge_percepts(pb)
for p in pb:
print(p)
For 100 trials, we expect 500 seconds.
With a TR of 1, this corresponds to 500 volumes.
'''
leftmost = stim_order_rnd.choice(actions)
# Average of 2.0s
stimulus_duration = stim_order_rnd.choice([1, 2, 3])
# Average of 3.0s
feedback_duration = stim_order_rnd.choice([2, 3, 4])
# Render stimus
render(
'stim presentation for duration {:.03f}. feedback duration {:.03f}'.
format(stimulus_duration, feedback_duration), leftmost)
keyPress = None
action = None
timer = clock.CountdownTimer(stimulus_duration)
while timer.getTime() > 0:
keyPress = getKeysOrQuit()
if '1' in keyPress or '2' in keyPress:
action = key_and_leftmost_to_action[keyPress[0], leftmost]
render('stim select', leftmost, action_selected=action)
break
while timer.getTime() > 0:
keyPress = getKeysOrQuit()
# Render feedback
if action is None:
render('no response', leftmost=None)
else:
observation, reward, _, _ = env.step(action)
cumulative_rew += reward
# transparent left/right and coherent
nAmb_plaids = set(plaid_stims.keys()) - set(['amb', 'fix'])
# get the velocity parameter that will be useful later on
parameters = io.getSessionMetaData()['user_variables']['parameters']
velocity = parameters['velocity']
# TODO: initialise the log-normal parameters to some sensible values
mu, sigma = 3, 2
# set up some timers
# a global timer is available at the experiment level
# this clock should never be reset to have a unique time base
global_timer = core.Clock()
# time to wait until next flip in non-ambiguous stimulus condition
flip_timer = clock.CountdownTimer(0)
# time between different percepts, useful to estimate the parameters mu and sigma
percept_duration = clock.Clock()
# total duration of the trial
trial_timer = clock.CountdownTimer(0)
# markov renewal process, can be updated all throughout the experiment
mrp = stats.MarkovRenewalProcess(
list(percepts.Percept().percept_dict['perceptual_states']))
# logging experiment messages to file
log_filename = io.getSessionMetaData()['user_variables']['logfile']
logFile = logging.LogFile(f=log_filename, level=logging.EXP)
trigger_filename = io.getSessionMetaData()['user_variables']['triggerfile']
triggerFile = logging.LogFile(f=trigger_filename,
level=logging.getLevel('TRIG'))