# Latest **URL:** https://mworks.discourse.group/latest.md [Latest](https://mworks.discourse.group/latest.md) · [Categories](https://mworks.discourse.group/categories.md) · [Tags](https://mworks.discourse.group/tags.md) --- ## [Welcome to MWorks Support](https://mworks.discourse.group/t/welcome-to-mworks-support/7)
**Author:** [@system](https://mworks.discourse.group/u/system)\ **Replies:** 0\ **Last updated:** [July 12, 2022, 7:39pm UTC](https://mworks.discourse.group/t/welcome-to-mworks-support/7 "2022-07-12T19:39:17Z")
Welcome to the MWorks support site! This is the place to ask questions about and get help using MWorks. Also be sure to check out the Knowledge Base, and remember to consult the MWorks user manual. --- ## [Image resolution](https://mworks.discourse.group/t/image-resolution/1148)
**Author:** [@Papanastassiou\_Alexa](https://mworks.discourse.group/u/Papanastassiou_Alexa)\ **Replies:** 2\ **Last updated:** [September 23, 2026, 9:10pm UTC](https://mworks.discourse.group/t/image-resolution/1148 "2026-09-23T21:10:53Z")
Hi Chris, We are gathering the visual stimuli for one of our first planned experiments. It will high resolution images of 16th century Italian paintings. Do you have a minimum resolution that you recommend for stimuli? … --- ## [Moving dots direction change](https://mworks.discourse.group/t/moving-dots-direction-change/1147)
**Author:** [@llglick](https://mworks.discourse.group/u/llglick)\ **Replies:** 3\ **Last updated:** [September 23, 2026, 8:47pm UTC](https://mworks.discourse.group/t/moving-dots-direction-change/1147 "2026-09-23T20:47:51Z")
Hi Chris, We’re working on an experiment using the moving dots where the dots go from stationary to moving on each trial, with varying directions and speeds of movement. The issue is that the whole dot field rotates whe… --- ## [Custom LabJack Analog Input Range in MWorks](https://mworks.discourse.group/t/custom-labjack-analog-input-range-in-mworks/1145)
**Author:** [@Kanishka\_Mitra](https://mworks.discourse.group/u/Kanishka_Mitra)\ **Replies:** 4\ **Last updated:** [September 9, 2026, 4:00pm UTC](https://mworks.discourse.group/t/custom-labjack-analog-input-range-in-mworks/1145 "2026-09-09T16:00:55Z")
Hi Chris, Hope you’re doing well. We’re working on a breathing experiment where we are trying to record thoracic and abdominal respiratory belt signals through a LabJack and log them in MWorks. The belt interface outpu… --- ## [CoreML Object Detector model as iodevice](https://mworks.discourse.group/t/coreml-object-detector-model-as-iodevice/1142)
**Author:** [@ajunaka](https://mworks.discourse.group/u/ajunaka)\ **Replies:** 10\ **Last updated:** [September 9, 2026, 8:44am UTC](https://mworks.discourse.group/t/coreml-object-detector-model-as-iodevice/1142 "2026-09-09T08:44:44Z")
Hello Chris, I am Ayuno, a postdoc at the DPZ. I’ve been using mWorks as a task controller for freely moving animals (Vladyslav and Ralf have been awesome help to me). I’d like to use an Object Detector CoreML model to … --- ## [Request for Assistance with MWorks](https://mworks.discourse.group/t/request-for-assistance-with-mworks/1144)
**Author:** [@Apaala\_Basak](https://mworks.discourse.group/u/Apaala_Basak)\ **Replies:** 8\ **Last updated:** [August 31, 2026, 4:23pm UTC](https://mworks.discourse.group/t/request-for-assistance-with-mworks/1144 "2026-08-31T16:23:18Z")
Hello Chris, Good morning. I’m Apaala, a new postdoc in Yasmine El-Shamayleh’s lab at Columbia. I’m developing a new behavioral task in MWorks and was hoping to get your advice on the best way to structure and load a r… --- ## [MWorks becoming unresponsive during experiment](https://mworks.discourse.group/t/mworks-becoming-unresponsive-during-experiment/1143)
**Author:** [@Chuiwen\_Li](https://mworks.discourse.group/u/Chuiwen_Li)\ **Replies:** 6\ **Last updated:** [August 20, 2026, 9:17pm UTC](https://mworks.discourse.group/t/mworks-becoming-unresponsive-during-experiment/1143 "2026-08-20T21:17:01Z")
Hi Chris, Hope this email finds you well! I’ve been encountering repeated issues with MWorks becoming unresponsive during an experiment and was wondering if you might have suggestions for troubleshooting it. The issue… --- ## [Fixation point flickering in Eye Window](https://mworks.discourse.group/t/fixation-point-flickering-in-eye-window/1125)
**Author:** [@vonaviv](https://mworks.discourse.group/u/vonaviv)\ **Replies:** 3\ **Last updated:** [July 20, 2026, 3:50pm UTC](https://mworks.discourse.group/t/fixation-point-flickering-in-eye-window/1125 "2026-07-20T15:50:10Z")
Hi Chris, The fixation stimulus flickers and disappears or doesn’t appear at all in the Eye Window (please see the attached video). I am using 0.12.2 version of MWorks. Time points: 29-31s, 1min 9-11s Best, Vladyslav … --- ## [New IMEC neuropixels product?](https://mworks.discourse.group/t/new-imec-neuropixels-product/1120)
**Author:** [@Yasmine\_El-Shamayleh](https://mworks.discourse.group/u/Yasmine_El-Shamayleh)\ **Replies:** 5\ **Last updated:** [May 26, 2026, 2:39pm UTC](https://mworks.discourse.group/t/new-imec-neuropixels-product/1120 "2026-05-26T14:39:32Z")
Hi Chris - Happy 2026! IMEC recently launched a product called “OneBox” — an all in one solution for recording neuropixels that includes an integrated breakout board for 12 non-neural channels (DAC/ADC). A colleague t… --- ## [About reading ongoing phase of a drifting grating stimulus](https://mworks.discourse.group/t/about-reading-ongoing-phase-of-a-drifting-grating-stimulus/1124)
**Author:** [@jcadena](https://mworks.discourse.group/u/jcadena)\ **Replies:** 2\ **Last updated:** [April 22, 2026, 8:16am UTC](https://mworks.discourse.group/t/about-reading-ongoing-phase-of-a-drifting-grating-stimulus/1124 "2026-04-22T08:16:22Z")
Hi Chris, I hope everything is going smoothly on your end. I have a very basic question. I am using drifting grating stimuli which, after a random period of time, increase the speed of one of them. The issue is that I … --- ## [MWORKS compatible tablet recommendations](https://mworks.discourse.group/t/mworks-compatible-tablet-recommendations/1123)
**Author:** [@mpotta](https://mworks.discourse.group/u/mpotta)\ **Replies:** 2\ **Last updated:** [February 18, 2026, 3:41am UTC](https://mworks.discourse.group/t/mworks-compatible-tablet-recommendations/1123 "2026-02-18T03:41:53Z")
Hi Chris, Hope you’re well. This is Meg from the Jazayeri lab. I was wondering if you have suggestions for an MWORKS compatible touchscreen? I’m hoping to find a tablet with a finger touch sampling rate above 300 Hz. Fr… --- ## [Tobii once more :)](https://mworks.discourse.group/t/tobii-once-more/1122)
**Author:** [@krys](https://mworks.discourse.group/u/krys)\ **Replies:** 3\ **Last updated:** [February 6, 2026, 2:38pm UTC](https://mworks.discourse.group/t/tobii-once-more/1122 "2026-02-06T14:38:09Z")
Hi! Im interested in using Tobii with MWorks. I read the previous threads on this topic, but from what I understood, the idea of developing the plug-in to support this system was abandoned in both cases. I was wondering … --- ## [MWorks python matplotlib circular import](https://mworks.discourse.group/t/mworks-python-matplotlib-circular-import/1121)
**Author:** [@nwatters](https://mworks.discourse.group/u/nwatters)\ **Replies:** 2\ **Last updated:** [January 16, 2026, 12:58am UTC](https://mworks.discourse.group/t/mworks-python-matplotlib-circular-import/1121 "2026-01-16T00:58:41Z")
I am trying to run an MWorks task that involves running python code under the hood. Here is the code: This code worked a couple years ago, but now when I follow the README instructions there I get the and run main.mw… --- ## [Setting Up New iPad with MWorks](https://mworks.discourse.group/t/setting-up-new-ipad-with-mworks/1119)
**Author:** [@eyakub](https://mworks.discourse.group/u/eyakub)\ **Replies:** 1\ **Last updated:** [December 1, 2025, 3:19pm UTC](https://mworks.discourse.group/t/setting-up-new-ipad-with-mworks/1119 "2025-12-01T15:19:36Z")
Hi Chris, Our lab got a new iPad and we are trying to use it as a secondary monitor for our experiments. Unfortunately, when we try to load the experiment on the iPad from our laptop we get a “Failed to create object er… --- ## [MWorks Crash Issue](https://mworks.discourse.group/t/mworks-crash-issue/1116)
**Author:** [@Ahmad\_Pourmohammadi](https://mworks.discourse.group/u/Ahmad_Pourmohammadi)\ **Replies:** 2\ **Last updated:** [November 3, 2025, 5:37pm UTC](https://mworks.discourse.group/t/mworks-crash-issue/1116 "2025-11-03T17:37:03Z")
Hi Chris, We’ve been experiencing an issue with MWorks, a few times, it has crashed unexpectedly, causing all related windows to close suddenly in the middle of an experiment. Each time, we had to restart everything to… --- ## [New Hardware for MWorks Neurophysiology Set Up](https://mworks.discourse.group/t/new-hardware-for-mworks-neurophysiology-set-up/1114)
**Author:** [@justinlieber](https://mworks.discourse.group/u/justinlieber)\ **Replies:** 2\ **Last updated:** [September 25, 2025, 4:27pm UTC](https://mworks.discourse.group/t/new-hardware-for-mworks-neurophysiology-set-up/1114 "2025-09-25T16:27:44Z")
Hi Chris, I’m a researcher in Tony Movshon’s lab, where we’ve been trying to spec out and buy some computers for a new neurophysiology rig that runs MWorks. My understanding is that, for stimulus presentation, we should… --- ## [Clean-up actions for PySerial](https://mworks.discourse.group/t/clean-up-actions-for-pyserial/1113)
**Author:** [@nikashap](https://mworks.discourse.group/u/nikashap)\ **Replies:** 2\ **Last updated:** [September 16, 2025, 4:48pm UTC](https://mworks.discourse.group/t/clean-up-actions-for-pyserial/1113 "2025-09-16T16:48:05Z")
Hi Chris, I’m a first-year PhD student in the JazLab designing an MWorks experiment that interfaces with an incremental rotary encoder. I’m currently calculating the angle of the rotary encoder’s shaft using an Arduino … --- ## [Inconsitent trigger pulse (TTL) durations with firmata device (teensy)](https://mworks.discourse.group/t/inconsitent-trigger-pulse-ttl-durations-with-firmata-device-teensy/1112)
**Author:** [@vonaviv](https://mworks.discourse.group/u/vonaviv)\ **Replies:** 1\ **Last updated:** [September 9, 2025, 2:53pm UTC](https://mworks.discourse.group/t/inconsitent-trigger-pulse-ttl-durations-with-firmata-device-teensy/1112 "2025-09-09T14:53:39Z")
Hi Chris, I need a synchronization between a task controller running MWorks, a multi-camera and a neural data recording systems. I have a trigger device which sends pulses 100 times per second via BNC cables. The camera… --- ## [About staircases in Mworks](https://mworks.discourse.group/t/about-staircases-in-mworks/1083)
**Author:** [@jcadena](https://mworks.discourse.group/u/jcadena)\ **Replies:** 11\ **Last updated:** [September 3, 2025, 6:34pm UTC](https://mworks.discourse.group/t/about-staircases-in-mworks/1083 "2025-09-03T18:34:02Z")
Dear Chris, I hope you’re doing well. Here Jaime from the Michael Schmidt group at the University of Fribourg. I’m interested in using multiple staircases for an experiment and noticed that MWorks includes a staircase … --- ## [About Setting up a server mac and a client mac](https://mworks.discourse.group/t/about-setting-up-a-server-mac-and-a-client-mac/1111)
**Author:** [@jcadena](https://mworks.discourse.group/u/jcadena)\ **Replies:** 4\ **Last updated:** [August 28, 2025, 2:08pm UTC](https://mworks.discourse.group/t/about-setting-up-a-server-mac-and-a-client-mac/1111 "2025-08-28T14:08:36Z")
Hi Chris, I hope everything is going well. I’m setting up new equipment to work with MWorks connected to two displays. Normally, in the lab, I have each setup arranged so that a single Mac controls visual stimulation (… --- ## [Mouse sensitivity](https://mworks.discourse.group/t/mouse-sensitivity/1108)
**Author:** [@vgs](https://mworks.discourse.group/u/vgs)\ **Replies:** 4\ **Last updated:** [August 28, 2025, 9:41am UTC](https://mworks.discourse.group/t/mouse-sensitivity/1108 "2025-08-28T09:41:35Z")
Hi Chris! I am an intern at the DPZ and I was running a trial experiment. I have created a dot as my cursor, but i want to change the speed of it, because it is too fast to control. How could I achieve that? Thanks a l… --- ## [Eyelink not on time errors](https://mworks.discourse.group/t/eyelink-not-on-time-errors/1110)
**Author:** [@skmar](https://mworks.discourse.group/u/skmar)\ **Replies:** 3\ **Last updated:** [August 22, 2025, 8:30pm UTC](https://mworks.discourse.group/t/eyelink-not-on-time-errors/1110 "2025-08-22T20:30:06Z")
Hi Chris, When I run my task, I often get a lot of the following warnings/errors from the eyelink: WARNING: Scheduled task (/Users/cstawarz/mworks-buildbot/worker/build\_for\_macos/build/plugins/core/EyeLink/Eyelink.cpp:… --- ## [MWorks Draft for Monkey Hexagonal Grid Task](https://mworks.discourse.group/t/mworks-draft-for-monkey-hexagonal-grid-task/1106)
**Author:** [@Kanishka\_Mitra](https://mworks.discourse.group/u/Kanishka_Mitra)\ **Replies:** 6\ **Last updated:** [August 22, 2025, 4:12am UTC](https://mworks.discourse.group/t/mworks-draft-for-monkey-hexagonal-grid-task/1106 "2025-08-22T04:12:27Z")
Hi Chris, I hope you’re doing well. My name is Kanishka Mitra, and I recently joined Mehrdad Jazayeri’s lab as a new graduate student. I’ve not previously worked with MWorks and could use some guidance to get started. M… --- ## [Question about eye data](https://mworks.discourse.group/t/question-about-eye-data/1107)
**Author:** [@Ahmad\_Pourmohammadi](https://mworks.discourse.group/u/Ahmad_Pourmohammadi)\ **Replies:** 2\ **Last updated:** [August 7, 2025, 4:51pm UTC](https://mworks.discourse.group/t/question-about-eye-data/1107 "2025-08-07T16:51:22Z")
Hi Chris, We’re running into an issue with the eye data in our setup. As you know, we’re sending all data to Blackrock and reading everything from the Blackrock files. When we load and plot eye X and Y, the units aren’t… --- ## [About Interfacing LSL protocol / Pupil Labs Eye Tracker with MWorks](https://mworks.discourse.group/t/about-interfacing-lsl-protocol-pupil-labs-eye-tracker-with-mworks/1073)
**Author:** [@jcadena](https://mworks.discourse.group/u/jcadena)\ **Replies:** 7\ **Last updated:** [August 5, 2025, 2:18pm UTC](https://mworks.discourse.group/t/about-interfacing-lsl-protocol-pupil-labs-eye-tracker-with-mworks/1073 "2025-08-05T14:18:50Z")
Hi Chris, This is Jaime from the University of Fribourg (Michael Schmid group). I have a question regarding the integration of devices with MWorks. We are interested in interfacing a Pupil Labs eye tracker with MWorks… --- ## [Inputs on MWorks task for iOS](https://mworks.discourse.group/t/inputs-on-mworks-task-for-ios/1103)
**Author:** [@mpotta](https://mworks.discourse.group/u/mpotta)\ **Replies:** 2\ **Last updated:** [July 4, 2025, 2:25pm UTC](https://mworks.discourse.group/t/inputs-on-mworks-task-for-ios/1103 "2025-07-04T14:25:45Z")
Hello Chris, I hope you are doing well. I have a task paradigm for iOS that I would like to code in MWorks. I’m envisioning a visual memory test similar to the one linked here. Ideally, I would like to control several … --- ## [Getting Started with MWorks and Touch Screen Setup](https://mworks.discourse.group/t/getting-started-with-mworks-and-touch-screen-setup/1102)
**Author:** [@Kanishka\_Mitra](https://mworks.discourse.group/u/Kanishka_Mitra)\ **Replies:** 1\ **Last updated:** [June 13, 2025, 1:54pm UTC](https://mworks.discourse.group/t/getting-started-with-mworks-and-touch-screen-setup/1102 "2025-06-13T13:54:49Z")
Hi Chris, I’m a first-year PhD student in Mehrdad Jazayeri’s lab. I’ve finalized the design of my monkey tasks and am now starting the training phase. I hear you work with MWorks, so I wanted to reach out. The task I’m… --- ## [Integrating Blackrock CereStim R96 with MWorks via network](https://mworks.discourse.group/t/integrating-blackrock-cerestim-r96-with-mworks-via-network/1101)
**Author:** [@hokysung](https://mworks.discourse.group/u/hokysung)\ **Replies:** 1\ **Last updated:** [June 13, 2025, 1:48pm UTC](https://mworks.discourse.group/t/integrating-blackrock-cerestim-r96-with-mworks-via-network/1101 "2025-06-13T13:48:00Z")
Hi Chris, I am looking to setup a Blackrock CereStim R96-based electrical microstimulation paradigm. I already have a Master-9/Iso-flex microstimulation setup that I use by sending TTL pulses via an Arduino from MWorks,… --- ## [Timing between laser and stimulus onset](https://mworks.discourse.group/t/timing-between-laser-and-stimulus-onset/1082)
**Author:** [@taylor.xie](https://mworks.discourse.group/u/taylor.xie)\ **Replies:** 29\ **Last updated:** [June 4, 2025, 2:22pm UTC](https://mworks.discourse.group/t/timing-between-laser-and-stimulus-onset/1082 "2025-06-04T14:22:50Z")
Hi Chris, We are about to begin our next round of recording so I am optimizing some of the protocols. I would like to try to have the laser on 50ms before stimulus onset but it is tricky because there is about a 16ms to… --- ## [Changing background color within an experiment](https://mworks.discourse.group/t/changing-background-color-within-an-experiment/1100)
**Author:** [@hokysung](https://mworks.discourse.group/u/hokysung)\ **Replies:** 1\ **Last updated:** [June 3, 2025, 9:35pm UTC](https://mworks.discourse.group/t/changing-background-color-within-an-experiment/1100 "2025-06-03T21:35:04Z")
Hi Chris, I would like to be able to change the background color/alpha during an experiment, presumably by manually changing color/alpha variables during an experiment. If I were to go the route of using stimuli, e.g. … [Next page](https://mworks.discourse.group/latest.md?page=1)