def drawAnswerKey(trialdata):
xspace = 1024 / len(acceptedkeys)
for i in range(0, len(acceptedkeys)):
ridx = trialdata['SRmap_%d' % i]
drawer.drawThumb(i, ((ridx + 0.5) * xspace - 1024 / 2, 360))
drawer.writeText('%d (%s)' % ((ridx + 1), acceptedkeys[ridx]),
((ridx + 0.5) * xspace - 20, 680), fgcol)
def showFeedback(fbtext, delay):
drawer.fillScreen((0, 0, 0))
for i in range(0, len(fbtext)):
drawer.writeText(fbtext[i], (5, 100 + 30 * i))
if delay == 0:
drawer.writeText('Press any button to continue',
(5, 100 + 30 * len(fbtext)))
drawer.flip()
waitforkey()
else:
drawer.writeText('Waiting %d miliseconds...' % delay,
(5, 100 + 30 * len(fbtext)))
drawer.flip()
time.sleep(delay / 1000)
drawer.writeText('Press any button to continue',
(5, 100 + 30 * (len(fbtext) + 1)))
drawer.flip()
waitforkey()
def oneTrial(trialdata):
# clear events
trialtimer = timer.Timer()
found = processEvents(pygame.event.get(), (None, ))
if -999 in found:
quit()
if trialdata['condition'] == 'E+' or trialdata['condition'] == 'E-':
trialdata['ms-prestimblank'] = 1000
trialdata['ms-precue'] = 1000
else:
trialdata['ms-prestimblank'] = 2000
trialdata['ms-precue'] = 0
trialdata['curstim'] = random.sample([0, 1, 2, 3, 4, 5], 1)[0]
trialdata['correct_response'] = trialdata['SRmap_%d' %
trialdata['curstim']]
# draw initial fixation / blank screen
drawer.fillScreen((255, 255, 255))
drawer.drawFixation((0, 0), [0, 0, 0])
drawer.flip()
trialtimer.start()
# blank screen
drawer.fillScreen((255, 255, 255))
drawer.drawFixation((0, 0), [0, 0, 0])
drawer.flip()
trialtimer.record('cueblank')
trialtimer.record('precue')
time.sleep(trialdata['ms-prestimblank'] / 1000)
if trialdata['condition'] == 'E+' or trialdata['condition'] == 'E-':
# display pre-cue
drawer.fillScreen((255, 255, 255))
curletter = acceptedkeys[trialdata['SRmap_%d' % trialdata['curstim']]]
drawer.writeText('prepare to make response %s' % curletter, (300, 600),
(0, 0, 0))
drawer.flip()
trialtimer.record('precue')
time.sleep(trialdata['ms-precue'] / 1000)
# blank screen
drawer.fillScreen((255, 255, 255))
drawer.drawImage(trialdata['curstim'], (0, 0))
drawer.flip()
trialtimer.record('stimon')
response = waitforresp(acceptedkeys)
trialtimer.record('response')
trialdata['RT'] = trialtimer.getreltime('response', 'stimon') * 1000
if response == -999:
quit()
elif trialdata['correct_response'] == response:
trialdata['response'] = response
trialdata['correct'] = 1
feedbacktext = [
'Correct!',
'Your response time was %d milliseconds' % int(trialdata['RT']),
'Go as fast as you can!'
]
delay = 0
else:
trialdata['response'] = response
trialdata['correct'] = 0
feedbacktext = [
'Wrong.',
'The correct response was %s' %
int(acceptedkeys[trialdata['correct_response']]),
'Make sure to hit the right button.'
]
delay = 3000
time.sleep(1)
showFeedback(feedbacktext, delay)
return trialdata
def showFeedback(fbtext, xstart=5, ystart=100): drawer.fillScreen((0,0,0)) for i in range(0,len(fbtext)): drawer.writeText(fbtext[i], (xstart,ystart+30*i)) drawer.flip() waitforkey()
def oneTrial(trialdata):
# clear events
trialtimer = timer.Timer()
found = processEvents(pygame.event.get(), (None,))
if -999 in found:
quit()
if trialdata['type']=='train' and (trialdata['condition']=='E+' or trialdata['condition']=='E-'):
trialdata['ms-prestimblank'] = 600
trialdata['ms-precue'] = 400
elif trialdata['type']=='train' and (trialdata['condition']=='M'):
trialdata['ms-prestimblank'] = 1000
trialdata['ms-precue'] = 0
else:
trialdata['ms-prestimblank'] = 1000
trialdata['ms-precue'] = 0
trialdata['curstim'] = random.sample([0,1,2,3,4,5],1)[0]
trialdata['correct_response'] = trialdata['SRmap_%d'%trialdata['curstim']]
# draw initial fixation / blank screen
drawer.fillScreen(bgcol)
drawer.drawFixation((0,0), fgcol)
drawer.flip()
trialtimer.start()
# blank screen
drawer.fillScreen(bgcol)
drawer.drawFixation((0,0), fgcol)
drawer.flip()
trialtimer.record('cueblank')
trialtimer.record('precue')
time.sleep(trialdata['ms-prestimblank']/1000)
drawer.fillScreen(bgcol)
if trialdata['condition']=='E+' or trialdata['condition']=='E-' or trialdata['condition']=='M':
# display pre-cue
curletter = acceptedkeys[trialdata['SRmap_%d'%trialdata['curstim']]]
print trialdata['correct_response']
print trialdata['correct_response']+1
drawer.writeText('Button: %d ...'%(trialdata['correct_response']+1), (400,450), fgcol)
drawer.flip()
trialtimer.record('precue')
time.sleep(trialdata['ms-precue']/1000)
found = processEvents(pygame.event.get(), (None,))
if -999 in found:
quit()
# blank screen
if trialdata['condition'] != 'M':
drawer.drawImage(trialdata['curstim'], (0,0))
drawAnswerKey(trialdata)
drawer.flip()
trialtimer.record('stimon')
response = waitforresp(acceptedkeys)
trialtimer.record('response')
trialdata['RT'] = trialtimer.getreltime('response', 'stimon')*1000
if response == -999:
quit()
elif trialdata['correct_response'] == response:
trialdata['response'] = response
trialdata['correct'] = 1
drawer.writeText('Correct!', (fbsx,fbsy+fbiy*0), corcol)
drawer.writeText('Your response time was %d milliseconds'%int(trialdata['RT']), (fbsx,fbsy+fbiy*1), corcol)
drawer.writeText('Go as fast as you can!', (fbsx,fbsy+fbiy*2), corcol)
drawer.flip()
time.sleep(1)
found = processEvents(pygame.event.get(), (None,))
if -999 in found:
quit()
drawer.writeText('Press any button to continue', (fbsx,fbsy+fbiy*3), corcol)
drawer.flip
waitforkey()
else:
trialdata['response'] = response
trialdata['correct'] = 0
drawer.writeText('Wrong button!', (fbsx,fbsy+fbiy*0), wrocol)
drawer.writeText('Make sure to make the correct response', (fbsx,fbsy+fbiy*2), wrocol)
drawer.flip()
time.sleep(3)
found = processEvents(pygame.event.get(), (None,))
if -999 in found:
quit()
drawer.writeText('Press any button to continue', (fbsx,fbsy+fbiy*3), wrocol)
drawer.flip
waitforkey()
return trialdata
def showFeedback(fbtext, delay): # drawer.fillScreen(bgcol) for i in range(0,len(fbtext)): drawer.writeText(fbtext[i], (textsx,textsy+textiy*i), fgcol) drawer.flip() waitforkey()
def showFeedback(fbtext, xstart=5, ystart=100):
drawer.fillScreen((0, 0, 0))
for i in range(0, len(fbtext)):
drawer.writeText(fbtext[i], (xstart, ystart + 30 * i))
drawer.flip()
waitforkey()