Tianyang Ma

10 Questions 17 Answers 0 Followers

Questions related from Tianyang Ma

How to align the coherence of spike-LFP to stimulus if I use moving window with Chronux script?

I am using the function cohgramcpt to calculate coherence of spike-LFP. I want to know whether the coherence is changing before and after stimulus. The pre and post-stimulus window is both 0.5 ms....

04 September 2017 9,995 0 View

Where is the real position of tetrodes if lesioning caused a big hole

Hey, unfortunately, I injected too much current when doing lesioning in the rat, which in some cases caused a very big hole. Do some of you know where the tetrodes could be, in the center, upper...

30 July 2017 6,430 0 View

How to remove <15 Hz artifacts in LFP analysis

I want to analyze LFP data recorded with tetrodes and I am interested in theta band. But the big problem now is I have large artifacts caused by movement and physical touch between drive cup with...

10 July 2017 7,379 3 View

How to downsample data

I did tetrode recording with 0.1 to 8000 Hz bandpass filter. Now I want to see whether I could get LFP with these data. What I did is to filter the data to 0.1-500Hz. Then I will downsample the...

30 June 2017 9,058 7 View

Data normalization(except z-score?)

I want to examine the neural response to stimulus in behavior session. For the session, I have 50 trials. If I want to detect the neural response trial by trial, for some trials, I have no spikes...

16 May 2017 3,870 7 View

Why I couldn't get spikes even though the tetrodes are in the correct position?

Hello guys, I have a stupid question here. I implanted four flexDrives into four rats. After one week recovery, I tried to do recording. In the one week recovery time, I turned down the tetrodes...

04 May 2016 3,003 3 View

How to analyze the significance of the PSTH of firing rates ?

hi, I have a very basic question. I record with tetrodes in freely moving rats to study how the neurons respond to the cue, I got the firing rates for one single unit and plot the peristimulus...

15 April 2016 1,834 9 View

Could I do gold-plating for my tetrodes several days before implantation?

If next Monday I want to implant my flexDrives, could I do gold-plating this week? I use Stablohm wire and store my flexDrives in a metal cake box. I noticed the impedance of tetrodes after...

11 December 2015 5,528 0 View

Any advice on Tetrode implantation in the rat's brain - removing dura ?

I need to make sure whether I did correctly in the surgery. I need to implant tetrodes in the mPFC of 4 month old rats. I have a confusion about dura removal. After removing a small piece of dura,...

08 December 2015 8,519 8 View

May I use tetrodes to record LFP and single-unit activity at the same time?

I will implant 8-tetrode flexDrive and record single-unit activity in freely-moving rats. And I also want to record LFP. I am wondering whether it is possible to get good LFP signal from tetrodes...

25 November 2015 6,333 9 View