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<body class='hmmessage'><div dir='ltr'>Hi,<div>I'm trying to setup ft buffer to use with realtime fMRI but i'm not clear on how to use the 'serial-event tool'. My questions are (sorry if they seem basic, i'm a newcomer to fMRI):</div><div><br></div><div>1 - Is one of the purposes of the serial-event tool to stop the real-time analysis loop? if not, how is the buffer 'emptied'? (my matlab preprocessing script continues to read 'old' data after gui_streamer is paused - even after the matlab call: buffer('flush_hdr', 'buffer://localhost:1972) at the end of the scan</div><div><br></div><div>2 - <span style="font-size: 12pt; ">Does the Siemens scanner output the serial event or does it ONLY output the TTL signal? if the latter,</span><span style="font-size: 12pt; "> h</span><span style="font-size: 12pt; ">ow is the TTL signal (from the scanner) fed into the synchronisation module? </span><font size="3">Our Siemens 3T generates a TTL pulse and this is </font>transmitted<font size="3"> to the presentation computer through the parallel port. Can we not use this setup with the FT buffer?</font></div><div><div><br></div><div>3 - C<span style="font-size: 12pt; ">an we achieve what the serial-event tool is doing using parallel port (with or without the serial-event tool)? </span></div><div><span style="font-size: 12pt; "><br></span></div><div><font size="3">4 - If a serial port setup is necessary, can you suggest a (hardware) setup (preferably with a sch</font>ematic)<font size="3">?</font></div></div><div><font size="3"><br></font></div><div>Many many thanks for your help!!</div><div><br></div><div>L</div><div><br></div><div><br></div><div><font size="3"><br></font></div><div><span style="font-size: 12pt; "><br></span></div> </div></body>
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