کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
2077154 | 1544999 | 2007 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Ghost resonance in a pool of heterogeneous neurons
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
ریاضیات
مدلسازی و شبیه سازی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
We numerically study the subharmonic response of a heterogeneous pool of neurons to a pair of independent inputs. The neurons are stimulated with periodic pulse trains of frequencies f1=2 âHz and f2=3 âHz, and with inharmonic pulses whose frequencies f1 and f2 are equally shifted an amount Îf. When both inputs are subthreshold, we find that the neurons respond at a frequency equal to f2âf1 in the harmonic situation (Îf=0), that increases linearly with Îf in the inharmonic case. Thus the neurons detect a frequency not present in the input; this effect is termed “ghost resonance”. When one of the inputs is slightly suprathreshold the ghost resonance persists, but responses related with the frequency of the suprathreshold input also emerge. This behavior must be taken into account in experimental studies of signal integration and coincidence detection by neuronal pools.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biosystems - Volume 89, Issues 1â3, MayâJune 2007, Pages 166-172
Journal: Biosystems - Volume 89, Issues 1â3, MayâJune 2007, Pages 166-172
نویسندگان
Pablo Balenzuela, Jordi Garcia-Ojalvo, ElÃas Manjarrez, Lourdes MartÃnez, Claudio R. Mirasso,