[cb22] Hayabusa Threat Hunting and Fast Forensics in Windows environments fo...CODE BLUE
It started with computer hacking and Japanese linguistics as a kid. Zach Mathis has been based in Kobe, Japan, and has performed both red team services as well as blue team incident response and defense consultation for major Japanese global Japanese corporations since 2006. He is the founder of Yamato Security, one of the largest and most popular hands-on security communities in Japan, and has been providing free training since 2012 to help improve the local security community. Since 2016, he has been teaching security for the SANS institute and holds numerous GIAC certifications. Currently, he is working with other Yamato security members to provide free and open-source security tools to help security analysts with their work.
25. 時間に厳密な刺激呈示
たとえばRSVP系列刺激を呈示する場合など。
悪い例
SOA = 0.09 # in second
ISI = 0.01
for i in range(10):
# 刺激を呈示して90ms待つ
hoge_stim.draw()
win.flip()
core.wait(SOA)
# 刺激を呈示して10ms待つ
win.flip()
core.wait(ISI)
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26. 時間に厳密な刺激呈示
If the screen is refreshing at 60Hz (16.7ms per frame) and the
getTime() call reports that the time has reached 1.999s, then the
stimulus will draw again for a frame, in accordance with the while
loop statement and will ultimately be displayed for 2.0167s.
公式マニュアルより。
時間指定による時間制御において、最大でフレームの長さと同程度の誤
差が生じる。
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