/
task_2010.py
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/
task_2010.py
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import sys
import json
from psychopy import visual, gui, event, core
import random
import numpy as np
import os
from datetime import datetime
from utils import Flicker
class Stimuli:
def __init__(self, win, timing, subjnum):
self.win = win
self.timing = timing
self.keymap = {'1': 1, '2': 2, '3': 3, '4': 4}
self.subjnum = subjnum
self.trigger = Flicker(self.win)
def show_story(self, trial):
story_start = core.getTime()
text = self.text(trial.decode('utf-8'))
self.win.flip()
offset = self.trigger.flicker_block(1)
core.wait(self.timing['story'] - offset)
text.autoDraw = False
self.win.flip()
self.win.flip()
return story_start
def show_question(self, trial):
quest_start = core.getTime()
text = self.text("How likely is it that...\n\n" + trial.decode('utf-8'))
scale = self.text(' 1 - 2 - 3 - 4 \n\n'+
'(Very Unlikely) (Very Likely)')
scale.pos = (0, -0.75)
scale.height = 0.05
self.win.flip()
offset = self.trigger.flicker_block(4)
key = event.waitKeys(
maxWait=self.timing['question'] - offset, keyList=self.keymap.keys() + ['escape'])
text.autoDraw = False
scale.autoDraw=False
if key is None:
time_of_resp = core.getTime()
offset = self.trigger.flicker_block(32)
self.win.flip()
self.win.flip()
return(quest_start, 'timeout', time_of_resp)
elif 'escape' in key:
self.trigger.flicker_block(0)
# Save end data
t = datetime.now()
day_time = '%d:%d:%d:%d' % (t.hour, t.minute, t.second, t.microsecond)
end_time = globalTimer.getTime()
save_data(day_time, end_time, self.subjnum)
core.quit()
else:
self.win.clearBuffer()
self.win.flip()
self.win.flip()
time_of_resp = core.getTime()
offset = self.trigger.flicker_block(16)
self.win.flip()
return (quest_start, self.keymap[key[0]], time_of_resp)
def text_and_stim_keypress(self, text, stim=None):
if stim is not None:
if type(stim) == list:
map(lambda x: x.draw(), stim)
else:
stim.draw()
display_text = visual.TextStim(self.win, text=text,
font='Helvetica', alignHoriz='center',
alignVert='center', units='norm',
pos=(0, 0), height=0.1,
color=[255, 255, 255], colorSpace='rgb255',
wrapWidth=2)
display_text.draw()
self.win.flip()
key = event.waitKeys()
if key[0] == 'escape':
self.trigger.flicker_block(0)
# Save end data
t = datetime.now()
day_time = '%d:%d:%d:%d' % (t.hour, t.minute, t.second, t.microsecond)
end_time = globalTimer.getTime()
save_data(day_time, end_time, self.subjnum)
core.quit()
self.win.flip()
self.win.flip()
def text(self, text):
display_text = visual.TextStim(self.win, text=text,
font='Helvetica', alignHoriz='center',
alignVert='center', units='norm',
pos=(0, 0), height=0.1,
color=[255, 255, 255], colorSpace='rgb255',
wrapWidth=2)
display_text.autoDraw=True
return display_text
def get_settings():
dlg = gui.Dlg(title='Choose Settings')
dlg.addField('Experiment Name:', 'ToM_Task_2010')
dlg.addField('Subject ID:', '0')
dlg.addField('Speed Factor:', 1.0)
dlg.addField('Number of Stories:', 48)
dlg.show()
if dlg.OK:
return dlg.data
else:
sys.exit()
def save_data(day_time, start_time, participant):
info = {}
info['wall_time'] = day_time
info['psychopy_time'] = start_time
if not os.path.exists('behavioral/'):
os.makedirs('behavioral')
with open('behavioral/ToM_Task_2010_'+ participant + '.json', 'a') as f:
f.write(json.dumps(info))
f.write('\n')
def get_window():
return visual.Window(
winType='pyglet', monitor="testMonitor", units="pix", screen=1,
fullscr=True, colorSpace='rgb255', color=(0, 0, 0))
def run():
(expname, sid, speed, num_stories) = get_settings()
# Starting timers and save initial information
global globalTimer
globalTimer = core.Clock()
start_time = globalTimer.getTime()
t = datetime.now()
day_time = '%d:%d:%d:%d' % (t.hour, t.minute, t.second, t.microsecond)
save_data(day_time, start_time, sid)
win = get_window()
timing = {'fixation': 4.,
'story': (4.*speed),
'question': (10.*speed),
'delay': 2.}
win.mouseVisible = False
stim = Stimuli(win, timing, sid)
stim.text_and_stim_keypress('You are going to be reading a number of stories about\n'+
'different people and places.\n\n'+
'Afterward, you will be asked a question about the likelihood\n'+
'of each event.\n\n' +
'(Press any key to continue)')
stim.text_and_stim_keypress(' Rank the likelihood on a scale from 1 to 4.\n\n'+
' 1 - 2 - 3 - 4 \n\n'+
'(Very Unlikely) (Very Likely)')
stim.text_and_stim_keypress('Ready?\n\n'+
'Press any key to begin!')
win.flip()
core.wait(timing['fixation'])
# Mental stories
with open('text_files/mental_expected.txt') as f:
mental_exp = f.readlines()
with open('text_files/mental_unexpected.txt') as f:
mental_unexp = f.readlines()
with open('text_files/mental_questions.txt') as f:
mental_quest = f.readlines()
# Physical stories
with open('text_files/physical_expected.txt') as f:
physical_exp = f.readlines()
with open('text_files/physical_unexpected.txt') as f:
physical_unexp = f.readlines()
with open('text_files/physical_questions.txt') as f:
physical_quest = f.readlines()
# Two random arrays of 0s and 1s as counters
condition = np.random.randint(0, 2, 48) # expected (0) or unexpected (1)
state = np.random.randint(0, 2, 48) # mental (0) or physical (1)
story = np.random.choice(48, size=num_stories, replace=False)
line_counter = 0
while line_counter < num_stories:
trial_dict = {}
trial_dict['trial_num'] = line_counter+1
story_num = story[line_counter]
if condition[story_num] == 0:
trial_dict['condition'] = 'expected'
if state[story_num] == 0:
trial_dict['state'] = 'mental'
story_start = stim.show_story(mental_exp[story_num])
quest_start, resp, time_resp = stim.show_question(mental_quest[story_num])
else:
trial_dict['state'] = 'physical'
story_start = stim.show_story(physical_exp[story_num])
quest_start, resp, time_resp = stim.show_question(physical_quest[story_num])
else:
trial_dict['condition'] = 'unexpected'
if state[story_num] == 0:
trial_dict['state'] = 'mental'
story_start = stim.show_story(mental_unexp[story_num])
quest_start, resp, time_resp = stim.show_question(mental_quest[story_num])
else:
trial_dict['state'] = 'physical'
story_start = stim.show_story(physical_unexp[story_num])
quest_start, resp, time_resp = stim.show_question(physical_quest[story_num])
trial_dict['story_start'] = story_start
trial_dict['quest_start'] = quest_start
trial_dict['response'] = resp
trial_dict['time_of_resp'] = time_resp
trial_dict['story_num'] = story_num
trial_dict['resp_time'] = time_resp - quest_start
if not os.path.exists('behavioral/'):
os.makedirs('behavioral')
with open('behavioral/' + expname + '_' + str(sid)+ '.json', 'a') as f:
f.write(json.dumps(trial_dict))
f.write('\n')
core.wait(timing['delay'])
line_counter += 1
text = stim.text('Congratulations! You\'ve finished!')
win.flip()
# Save end data
t = datetime.now()
day_time = '%d:%d:%d:%d' % (t.hour, t.minute, t.second, t.microsecond)
end_time = globalTimer.getTime()
save_data(day_time, end_time, sid)
core.wait(timing['delay'])
core.quit()
if __name__ == '__main__':
run()