def show_info_2(win, info, show_time):
info.setAutoDraw(True)
win.flip()
time.sleep(show_time)
info.setAutoDraw(False)
check_exit()
win.flip()
# triggers_list=TRIGGER_LIST)
# ----------------------- Start Stroop ----------------------- #
for idx, block in enumerate(training_trials):
show_info(win, join('.', 'messages', 'training{}.txt'.format(idx+1)), insert=keys_mapping_text)
for trial in block:
# prepare trial
true_key = KEYS[trial['color']]
reaction_time = -1
# true_key, reaction_time, triggers = prepare_trial_info(trial)
# show fix
show_info_2(win=win, info=fixation, show_time=data['Fix_time'])
check_exit()
# show problem
event.clearEvents()
win.callOnFlip(resp_clock.reset)
for stim in trial['stim']:
stim.setAutoDraw(True)
key_labes.setAutoDraw(True)
win.flip()
while resp_clock.getTime() < data['Training_Resp_time']:
key = event.getKeys(keyList=KEYS.values())
if key:
reaction_time = resp_clock.getTime()
break
check_exit()
win.flip()
def ophthalmic_procedure(win,
screen_res,
frames_per_sec,
trigger_no,
triggers_list,
text_size=40,
text_color='white',
text_font='Arial',
port_eeg=None,
vis_offset=60,
secs_of_msg=5,
secs_of_blinks=9,
secs_of_saccades=9):
"""
:param text_font:
:param text_color:
:param port_nirs:
:param port_eeg:
:param send_nirs_triggers:
:param text_size:
:param triggers_list:
:param trigger_no:
:param frames_per_sec:
:param screen_res:
:param win:
:param send_eeg_triggers:
:param vis_offset: No of pixels of margin between fixation crosses and screen border
:param secs_of_msg:
:param secs_of_blinks:
:param secs_of_saccades:
:return:
"""
logging.info('Starting ophthalmic procedure... ')
# prepare stim's
ophthalmic_info = read_text_from_file(
os.path.join('.', 'messages', 'ophthalmic_instruction.txt'))
corners_info = read_text_from_file(
os.path.join('.', 'messages', 'ophthalmic_corners.txt'))
ophthalmic_info = visual.TextStim(win=win,
font=text_font,
text=ophthalmic_info,
height=text_size,
wrapWidth=screen_res['width'],
color=text_color)
corners_info = visual.TextStim(win=win,
font=text_font,
text=corners_info,
height=text_size,
wrapWidth=screen_res['width'],
color=text_color)
# crosses are located in corners
crosses = [[x, y] for x in [
-screen_res['width'] / 2 + vis_offset, screen_res['width'] / 2 -
vis_offset
] for y in [
-screen_res['height'] / 2 + vis_offset, screen_res['height'] / 2 -
vis_offset
]]
crosses = [
visual.TextStim(win=win,
font=text_font,
text=u'+',
height=3 * text_size,
color=text_color,
pos=pos) for pos in crosses
]
ophthalmic_info.setAutoDraw(True)
for _ in range(frames_per_sec * secs_of_msg):
win.flip()
check_exit()
ophthalmic_info.setAutoDraw(False)
win.flip()
for frame_counter in range(frames_per_sec * secs_of_blinks):
if frame_counter % frames_per_sec == 0:
trigger_no = send_trigger_eeg(trigger_no=trigger_no,
port_eeg=port_eeg)
triggers_list.append((str(trigger_no - 1), "BLINK"))
win.flip()
check_exit()
corners_info.setAutoDraw(True)
for _ in range(frames_per_sec * secs_of_msg):
win.flip()
check_exit()
corners_info.setAutoDraw(False)
[item.setAutoDraw(True) for item in crosses]
for frame_counter in range(frames_per_sec * secs_of_saccades):
if frame_counter % frames_per_sec == 0:
trigger_no = send_trigger_eeg(trigger_no=trigger_no,
port_eeg=port_eeg)
triggers_list.append((str(trigger_no - 1), "BLINK"))
win.flip()
check_exit()
[item.setAutoDraw(False) for item in crosses]
win.flip()
logging.info('Ophthalmic procedure finished correctly!')
return trigger_no, triggers_list