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tuning_curve.py
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tuning_curve.py
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'''
Tuning curve presentation paradigm: allows presentation of tones at different
magnitudes, and will send triggers to electrophysiology recording software.
'''
__author__ = 'Nick Ponvert'
__email__ = '[email protected]'
from PySide import QtGui
from taskontrol.core import dispatcher
from taskontrol.core import paramgui
from taskontrol.core import savedata
from taskontrol.settings import rigsettings
from taskontrol.core import statematrix
from taskontrol.plugins import speakercalibration
from numpy import log
import numpy as np
import itertools
import random
from taskontrol.plugins import soundclient
import time
#class clearButton(QtGui.QPushButton):
# def __init__(self, parent=None):
# super(OutputButton, self).__init__('Clear Tone List')
# self.clicked.connect(self.clear_tone_list)
class Paradigm(QtGui.QMainWindow):
def __init__(self, parent=None, paramfile=None, paramdictname=None):
'''
Set up the taskontrol core modules, add parameters to the GUI, and
initialize the sound server.
'''
super(Paradigm, self).__init__(parent)
self.name = 'tuning_curve'
# -- Read settings --
smServerType = rigsettings.STATE_MACHINE_TYPE
# -- Create the speaker calibration object
self.spkCal = speakercalibration.Calibration(rigsettings.SPEAKER_CALIBRATION)
# -- Create dispatcher --
self.dispatcherModel = dispatcher.Dispatcher(serverType=smServerType,
interval=0.1)
self.dispatcherView = dispatcher.DispatcherGUI(model=self.dispatcherModel)
# -- Add parameters --
self.params = paramgui.Container()
self.params['experimenter'] = paramgui.StringParam('Experimenter',
value='',
group='Parameters')
self.params['subject'] = paramgui.StringParam('Subject',value='',
group='Parameters')
self.params['minFreq'] = paramgui.NumericParam('Min Frequency (Hz)',
value=2000,
group='Parameters')
self.params['maxFreq'] = paramgui.NumericParam('Max Frequency (Hz)',
value=40000,
group='Parameters')
self.params['numTones'] = paramgui.NumericParam('Number of Frequencies',
value=16,
group='Parameters')
self.params['minInt'] = paramgui.NumericParam('Min Intensity (dB SPL)',
value=70,
group='Parameters')
self.params['maxInt'] = paramgui.NumericParam('Max Intensity (dB SPL)',
value=70,
group='Parameters')
self.params['numInt'] = paramgui.NumericParam('Number of Intensities',
value=1,
group='Parameters')
self.params['stimDur'] = paramgui.NumericParam('Tone Duration (s)',
value=0.01,
group='Parameters')
self.params['isiMin'] = paramgui.NumericParam('Minimum Interstimulus Interval (s)',
value=1,
group='Parameters')
self.params['isiMax'] = paramgui.NumericParam('Maximum Interstimulus Interval',
value=3,
group='Parameters')
self.params['noiseAmp'] = paramgui.NumericParam('Amplitude in Noise-Mode',
value=0.3,
group='Parameters')
self.params['randomMode'] = paramgui.MenuParam('Presentation Mode',
['Ordered','Random'],
value=1,group='Parameters')
self.params['soundMode'] = paramgui.MenuParam('Sound Type',
['Sine','Chord', 'Noise'],
value=2,group='Parameters')
self.params['currentFreq'] = paramgui.NumericParam('Current Frequency (Hz)',
value=0, units='Hz',
enabled=False,
group='Parameters')
self.params['currentIntensity'] = paramgui.NumericParam('Target Intensity',
value=0,
enabled=False,
group='Parameters')
self.params['currentAmp'] = paramgui.NumericParam('Current Amplitude',value=0,
enabled=False,
group='Parameters',
decimals=4)
timingParams = self.params.layout_group('Parameters')
# -- Load parameters from a file --
self.params.from_file(paramfile,paramdictname)
# -- Create an empty state matrix --
self.sm = statematrix.StateMatrix(inputs=rigsettings.INPUTS,
outputs=rigsettings.OUTPUTS,
readystate='readyForNextTrial')
# -- Module for savng the data --
self.saveData = savedata.SaveData(rigsettings.DATA_DIR,
remotedir=rigsettings.REMOTE_DIR)
self.saveData.checkInteractive.setChecked(True)
# -- Add graphical widgets to main window --
self.centralWidget = QtGui.QWidget()
layoutMain = QtGui.QHBoxLayout() #Create a main layout and two columns
layoutCol1 = QtGui.QVBoxLayout()
layoutCol2 = QtGui.QVBoxLayout()
layoutMain.addLayout(layoutCol1) #Add the columns to the main layout
layoutMain.addLayout(layoutCol2)
layoutCol1.addWidget(self.dispatcherView) #Add the dispatcher to col1
layoutCol1.addWidget(self.saveData)
layoutCol2.addWidget(timingParams) #Add the parameter GUI to column 2
self.centralWidget.setLayout(layoutMain) #Assign the layouts to the main window
self.setCentralWidget(self.centralWidget)
# -- Connect signals from dispatcher --
#prepare_next_trial is sent whenever the dispatcher reaches the end of
#the current trial.
self.dispatcherModel.prepareNextTrial.connect(self.prepare_next_trial)
# -- Connect the save data button --
self.saveData.buttonSaveData.clicked.connect(self.save_to_file)
print "Connecting to sound server"
print '***** FIXME: HARDCODED TIME DELAY TO WAIT FOR SERIAL PORT! *****'
time.sleep(0.2)
self.soundClient = soundclient.SoundClient()
self.soundClient.start()
#soundFreq = self.params['soundFreq'].get_value()
# -- Initialize the list of trial parameters --
self.trialParams = []
self.soundParamList = []
def populate_sound_params(self):
'''This function reads the GUI inputs and populates a list of three-item tuples
containing the frequency, and amplitude for each trial. This function is
called by prepare_next_trial at the beginning of the experiment and whenever
we run out of combinations of sounds to present'''
## -- Get the parameters --
maxFreq = self.params['maxFreq'].get_value()
minFreq = self.params['minFreq'].get_value()
numFreqs = self.params['numTones'].get_value()
# -- Create a list of frequencies --
toneList = self.logscale(minFreq, maxFreq, numFreqs)
minInt = self.params['minInt'].get_value()
maxInt = self.params['maxInt'].get_value()
numInt = self.params['numInt'].get_value()
ampList = np.linspace(minInt, maxInt, num=numInt)
# -- Make a tuple list of all of the products of the three parameter lists
productList = list(itertools.product(toneList, ampList))
# -- If in random presentation mode, shuffle the list of products
randomMode = self.params['randomMode'].get_string()
if randomMode == 'Random':
random.shuffle(productList)
else:
pass
# -- Set the sound parameter list to the product list
self.soundParamList = productList
def logscale(self, minFreq, maxFreq, numFreqs):
'''This function returns a specified number of frequencies
scaled logarithmically between a minimum and maximum val'''
slope=(log(maxFreq)-log(minFreq))/(numFreqs-1)
xVals=range(numFreqs)
logs=[slope * x + log(minFreq) for x in xVals]
logs=np.array(logs)
vals=np.exp(logs)
return vals
def prepare_next_trial(self, nextTrial):
'''
Prepare the target sound, send state matrix to the statemachine, and
update the list of GUI parameters so that we can save the history of the
frequency, intensity, and amplitude parameters for each trial.
'''
if nextTrial > 0: ## Do not update the history before the first trial
self.params.update_history()
self.sm.reset_transitions()
## -- Choose an ISI randomly
minIsi = self.params['isiMin'].get_value()
maxIsi = self.params['isiMax'].get_value()
isi=np.random.random() * (maxIsi - minIsi) + minIsi
# -- Get the sound parameters from the parameter list --
# -- If the parameter list is empty, populate it --
# -- returns a tuple with (frequency, intensity)
try:
self.trialParams = self.soundParamList.pop(0) #pop(0) pops from the left
except IndexError:
self.populate_sound_params()
self.trialParams = self.soundParamList.pop(0)
# -- Prepare the sound using randomly chosen parameters from parameter lists --
stimDur = self.params['stimDur'].get_value()
targetAmp = self.spkCal.find_amplitude(self.trialParams[0],
self.trialParams[1])[1]
#Only calibrated right speaker
# -- Determine the sound presentation mode and prepare the appropriate sound
soundMode = self.params['soundMode'].get_string()
if soundMode == 'Sine':
sound = {'type':'tone', 'duration':stimDur,
'amplitude':targetAmp, 'frequency':self.trialParams[0]}
elif soundMode == 'Chord':
sound = {'type':'chord', 'frequency':self.trialParams[0], 'duration':stimDur,
'amplitude':targetAmp, 'ntones':12, 'factor':1.2}
elif soundMode == 'Noise':
noiseAmp=self.params['noiseAmp'].get_value()
sound = {'type':'noise', 'duration':stimDur,
'amplitude':noiseAmp}
self.soundClient.set_sound(1,sound)
self.params['currentFreq'].set_value(self.trialParams[0])
self.params['currentIntensity'].set_value(self.trialParams[1])
self.params['currentAmp'].set_value(targetAmp)
# -- Prepare the state transition matrix --
self.sm.add_state(name='startTrial', statetimer = 0.5 * isi,
transitions={'Tup':'output1On'})
self.sm.add_state(name='output1On', statetimer=stimDur,
transitions={'Tup':'output1Off'},
outputsOn=['outBit0'], #'centerLED',
serialOut=1)
self.sm.add_state(name='output1Off', statetimer = 0.5 * isi,
transitions={'Tup':'readyForNextTrial'},
outputsOff=['outBit0']) #'centerLED',
self.dispatcherModel.set_state_matrix(self.sm)
self.dispatcherModel.ready_to_start_trial()
#def _timer_tic(self, etime, lastEvents):
# #timer_tic is sent whenever the dispatcher gets information from the Arduino
# pass
def save_to_file(self):
'''Triggered by button-clicked signal'''
self.saveData.to_file([self.params, self.dispatcherModel,
self.sm],
self.dispatcherModel.currentTrial,
experimenter='',
subject=self.params['subject'].get_value(),
paradigm=self.name)
def clear_tone_list(self):
'''Allow the user to clear the list of tones and assign new tones from the GUI'''
self.soundParamList = []
def closeEvent(self, event):
'''
Executed when closing the main window.
This method is inherited from QtGui.QMainWindow, which explains
its camelCase naming.
'''
self.dispatcherModel.die()
event.accept()
if __name__ == "__main__":
(app,paradigm) = paramgui.create_app(Paradigm)