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12 protocols using pcie 6353

1

Automated Microscopy Hardware Control and etSTED Imaging

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Microscope hardware control is mainly performed through a National Instruments data acquisition (NI-DAQ) acquisition board (PCIe-6353, National Instruments). Hardware is controlled using microscope control software ImSwitch19 (link) written in Python. Control of the etSTED method is performed using a custom-written widget and controller in ImSwitch, available at GitHub (https://github.com/kasasxav/ImSwitch and https://github.com/jonatanalvelid/ImSwitch-etSTED), which controls lasers, image acquisition, and runs real-time analysis pipelines with customizable parameters. Instructions on how to run etSTED imaging can be found in the GitHub repository of the standalone widget (https://github.com/jonatanalvelid/etSTED-widget), while instructions on how to run ImSwitch can be found in the repository on GitHub and corresponding documentation (https://imswitch.readthedocs.io).
A focus lock controlled with ImSwitch combining an infrared laser (CP980S, Thorlabs), a CMOS camera (DMK 33UP1300, The Imaging Source) and the z-piezostage through a feedback loop, as previously described5 (link), is used. It enables experiments to run stably for time periods longer than hours.
The microscope control computer contains a Ryzen 7 3700X CPU (AMD) and a GeForce RTX 3060 Ti GPU (ASUS).
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2

Eye-Tracking in Visual Perception Research

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During the Learning session, eye-position data of the right eye were acquired with a desktop-mounted Eyelink 1000 eye tracker (SR Research, Mississauga, Ontario, Canada) at a sampling rate of 1000 Hz. The output of the eye tracker was recorded with a data acquisition board (PCIe-6353, National Instruments, USA) interfaced through a shielded I/O connector block (SCB-68, National Instruments, USA). The visual images were presented via a 27-inch monitor (1920 × 1080 resolution, 60 Hz refresh rate).
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3

Precise Button Response Tracking

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Participants were given a custom-built response box, composed of a single button. Button presses were sent to the IO board (National instruments, PCIe-6353) and are therefore recorded with a sub-millisecond precision.
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4

Wireless Inertial Measurement in Rats

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Rats were equipped with the wireless IMU and placed inside a circular arena (118 cm diameter) with transparent plastic walls (30 cm high). The sensitivity of the IMU was configured remotely from the software interface (accelerometers: ±16 g; gyroscopes: ±1000°/s) and the acquisition of IMU data was initiated. A 25 ms analog waveform with uniform white noise distribution was generated under LabVIEW and played at random intervals (5–15 s) through the analog output of a DAQ board (PCIe-6353, National Instruments) connected to a loudspeaker via a custom amplifier (Fig. 3A, sound amplitude: 90–110 dBA). A square 5 V waveform with the same duration was played simultaneously via a second analog output channel, and fed to the gate input of the IR LED controller. A total of 30 acoustic stimuli were delivered per rat.
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5

Simultaneous Neural and EMG Recording Protocols

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Neural activity was recorded simultaneously in both IOS and 2PLSM as the differential potentials between the two leads of either the PFA-coated tungsten microwires (#795500, A-M Systems, Sequim, WA) (Huo et al., 2014 (link); Winder et al., 2017 (link)) for cortical and hippocampal stereotrodes. EMG activity was identically recorded with PFA-coated 7-strand stainless-steel microwires (#793200, A-M systems, Sequim, WA). Stereotrode tungsten microwires were threaded through polyimide tubing (#822200, A-M Systems, Sequim, WA) giving an interelectrode spacing of ~100 µm. The tungsten microwires were crimped to gold pin connectors, with impedances typically between 70 and 120 kΩ at 1 kHz. EMG stainless-steel microwires were fabricated in a similar fashion, but with an interelectrode spacing of several mm. Each signal was amplified and hardware bandpass filtered between 0.1 Hz and 10 kHz (DAM80, World Precision Instruments, Sarasota, FL) and then digitized at 20 kHz (PCIe-6341 for IOS experiments, PCIe-6321 and PCIe-6353 for 2PLSM experiments, National Instruments, Austin, TX).
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6

LabVIEW-driven Stimulation and Acquisition

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All stimuli were controlled with and data were acquired by programs written in LabVIEW (version 16.0; National Instruments). Data were digitized by an analog-to-digital converter and sampled at 50 μs intervals (PCIe-6353, National Instruments). Stimulation and control signals were generated with a digital-to-analog converter (PCI-6733, National Instruments).
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7

STED-Anisotropy Measurement System Setup

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A home-built setup was used for STED-anisotropy measurements. CW laser at 488 nm, generated by an OBIS LX 120 mW CW laser (Coherent), was passed through Glan–Taylor polarizer (Thorlabs) to obtain highly pure (100,000:1) linearly polarized excitation beam. CW laser at 592 nm (VFL-P-1000 592; MPB Communications Inc.) was passed through a vortex phase plate (VPP-1a; RPC Photonics) to generate a depletion with a doughnut profile. The excitation and depletion beams were focused on the sample using a 100×, 1.49 NA oil immersion objective (Nikon). Excitation modulation and synchronous detection were carried out according to SI Appendix, section 3.
The emitted fluorescence was collected by the same objective lens. The parallel and orthogonal components of the emitted fluorescence were separated by a polarizing cube (CCM1-PBS251; Thorlabs) and steered to 2 single-photon counters (SPCM-AQRH; EXCELITAS) for anisotropy measurements. The TTL signal from SPC was acquired with a DAQ card (PCIe-6353; National Instruments). Data acquisition and analysis was automated by custom LabVIEW software (National Instruments).
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8

Eye-Tracking and Joystick-Controlled Visual Task

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Eye-position data were acquired using the Oculomatic Pro 1000 eye tracker (Bio-Signal, Texas, USA) with a sampling rate of 1000 Hz. To manipulate the cursor on the screen, a 2-axis joystick was used (HF22S10 model, APEM). The data output from both the eye tracker and joystick were recorded using a data acquisition board (PCIe-6353, National Instruments, USA) interfaced through a shielded I/O connector block (SCB-68, National Instruments, USA).
Visual stimuli were presented via a 27-inch monitor (1920 × 1080 resolution, 240 Hz refresh rate). All behavioral tasks were controlled by a custom behavior-controlling system (Blip software; available at www.cocila.net/blip).
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9

High-Precision Eye Tracking Protocol

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Eye position data were acquired using the Oculomatic Pro 1000 eye tracker (Bio-Signal, Texas, USA) at a sampling rate of 1,000 Hz. The output of the eye tracker was recorded with a data acquisition board (PCIe-6353, National Instruments, USA) interfaced through a shielded I/O connector block (SCB-68, National Instruments, USA). The visual images were presented via a 27-inch monitor (1920 × 1080 resolution, 240 Hz refresh rate). All behavioral tasks were controlled by a custom behavior controlling system (Blip; available at www.cocila.net/blip).
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10

Single-cell Electrophysiology of Cultured Neurons

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For single-cell electrophysiological recording, cultured neurons were incubated in Tyrode’s buffer containing 20 μM gabazine, 10 μM NBQX, and 25 μM APV (Tyrode’s buffer containing 50 nM 2-APB for HEK293T cells). The electrophysiological experiments were conducted at room temperature. Borosilicate glass electrodes (Sutter) were pulled to a tip resistance of 2.5 to 5 MΩ. The internal solution containing 125 mM potassium gluconate, 8 mM NaCl, 0.6 mM MgCl2, 0.1 mM CaCl2, 1 mM EGTA, 10 mM HEPES, 4 mM Mg-ATP, and 0.4 mM GTP·Na2 (pH 7.3) was adjusted to 295 mOsm/kg with 1 M sucrose and injected into the glass electrode. The glass electrode’s position was adjusted by a Sutter MP285 micromanipulator. An Axopatch 200B (Axon Instruments) amplifier was utilized to clamp the cells. Membrane potential data recorded from the amplifier were filtered by an internal 5-kHz Bessel filter and digitalized at 9681.48 Hz with a National Instruments PCIe-6353 data acquisition (DAQ) board.
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