def main():
num_blocks = 16 # num_blocks * wordsPerBlock should not exceed 512
wordsPerBlock = 16 # words displayed (both latin and hebrew) per block
word_lengths = [4, 5, 6] # character lengths to select from word_list.txt
#ensure that video mode is at the maxium FPS
if sys.platform.startswith("linux"):
from subprocess import call
call(["xrandr","-r","144"])
pygame.init()
pygame.mouse.set_visible(False)
#get filepath/name for words displayed text file
if not os.path.isdir("data"):
os.mkdir("data")
num = 0
while True:
fn = "data/words_displayed_%02d.txt" % num
if not os.path.isfile(fn):
break
num += 1
#instantiate some objects
if not SUPRESS_TXT_OUTPUT:
words_displayed = open(fn, "w")
FC = FixationCross(color = "black")
restScreen = Screen(color = "white", fixation_cross = FC)
blankScreen = Screen(color = "white")
text = TextDisplay(font_size = 288,
font_type = "FreeMono.ttf",
screen_bgColor = "white",
)
# get and randomize a list of latin words from the word_list.txt file
word_list = []
with neurodot_present.resources.load_wordlist() as list_file:
for line in list_file.readlines():
if len(line.rstrip()) in word_lengths:
word_list.append(line.rstrip().upper())
random.shuffle(word_list)
# get list of dictionaries for latin/hebrew words and randomize
stim_list = []
for word in word_list[0:num_blocks*wordsPerBlock/2 + 1]:
vsync_value = len(word) - 3 #words are 4,5,6 letters long
latin = {'word': word, 'vsync_value': vsync_value}
hebrew = {'word': code_hebrew(word), 'vsync_value': vsync_value + 3}
stim_list.append(latin)
stim_list.append(hebrew)
random.shuffle(stim_list)
try:
#start sequence
run_start_sequence()
restScreen.run(duration = 2, vsync_value = 0)
block = 0
while block < num_blocks:
for stim in stim_list[block*wordsPerBlock : block*wordsPerBlock + wordsPerBlock]:
if not SUPRESS_TXT_OUTPUT:
words_displayed.write(stim['word'].encode("utf8") + "\n")
text.run(text_content = stim['word'],
duration = STIMULUS_DURATION,
vsync_value = stim['vsync_value']
)
#print text.textSurface.get_width()
# display blank screen
blankScreen.run(duration = STIMULUS_DURATION, vsync_value = 0)
if block < num_blocks-1:
# add an empty line to text file to signify between trials
if not SUPRESS_TXT_OUTPUT:
words_displayed.write("\n")
#rest period
bell()
restScreen.run(duration = 3, vsync_value = 0)
bell()
restScreen.run(duration = random.uniform(1,3), vsync_value = 0)
block += 1
except UserEscape as exc:
print exc
except:
print "Unexpected error:"
raise
finally:
if not SUPRESS_TXT_OUTPUT:
words_displayed.close()
# stop sequence
run_stop_sequence()
pygame.quit()
sys.exit()
pygame.init()
TASK_DURATION = 30 #seconds
FC = FixationCross()
try:
#start sequence
run_start_sequence()
#setup task
CBF = CheckerBoardFlasher(flash_rate=0) #no flashing
CBF.setup_checkerboard(64)
black_SCR = Screen(color = "black",fixation_cross = FC)
#run sequence
CBF.run(duration = TASK_DURATION, vsync_value = 1)
black_SCR.run(duration = 1, vsync_value = 0)
bell()
black_SCR.run(duration = 5, vsync_value = 0)
black_SCR.run(duration = TASK_DURATION, vsync_value = 2)
black_SCR.run(duration = 1, vsync_value = 0)
bell()
except UserEscape:
print "User stopped the sequence"
except Exception, err:
raise err
finally:
#stop sequence
run_stop_sequence()
pygame.quit()
sys.exit()