Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Signal transfer sensitivity field

The antiphase relationship of the C13 —C13 doublet signals in the INADEQUATE spectrum can be eliminated by an additional spin-echo sequence (— 1/4Jcc — 180° — 1 /4 Jcc —) before the 90 monitor pulse [58]. The sensitivity of the experiment may be improved by the application of stronger magnetic fields or by using proton polarization transfer techniques [59]. [Pg.86]

Fig. 7 Antagonistic center/surround interaction is the basic model of a foveal retinal ganglion cell receptive field. Note that the center mechanism is characterized by a narrow and tall response (sensitivity) profile, whereas the surround is broad and has a low, spatially extended profile. The response profiles are established by preganghonic circuitry. The ganglion cell performs the linear operation of subtracting the center and surround signals. If the surround mechanism is selectively attenuated it may lead to a response that monotonically grows with center stimulation. As a result the spatial transfer function loses tuning. The exact spatial frequency at which tuning occurs reflects on the diameter and optimal interplay between center and surround (after Enroth-CugeU and Robson, 1966)... Fig. 7 Antagonistic center/surround interaction is the basic model of a foveal retinal ganglion cell receptive field. Note that the center mechanism is characterized by a narrow and tall response (sensitivity) profile, whereas the surround is broad and has a low, spatially extended profile. The response profiles are established by preganghonic circuitry. The ganglion cell performs the linear operation of subtracting the center and surround signals. If the surround mechanism is selectively attenuated it may lead to a response that monotonically grows with center stimulation. As a result the spatial transfer function loses tuning. The exact spatial frequency at which tuning occurs reflects on the diameter and optimal interplay between center and surround (after Enroth-CugeU and Robson, 1966)...
See other pages where Signal transfer sensitivity field is mentioned: [Pg.72]    [Pg.183]    [Pg.99]    [Pg.1075]    [Pg.81]    [Pg.49]    [Pg.49]    [Pg.278]    [Pg.216]    [Pg.126]    [Pg.194]    [Pg.103]    [Pg.112]    [Pg.103]    [Pg.38]    [Pg.556]    [Pg.168]    [Pg.177]    [Pg.302]    [Pg.91]    [Pg.253]    [Pg.255]    [Pg.277]    [Pg.293]    [Pg.268]    [Pg.271]    [Pg.335]    [Pg.345]    [Pg.38]    [Pg.119]    [Pg.80]    [Pg.106]    [Pg.170]    [Pg.41]    [Pg.280]    [Pg.69]    [Pg.1017]    [Pg.194]    [Pg.180]    [Pg.77]    [Pg.77]    [Pg.261]    [Pg.115]    [Pg.193]    [Pg.362]    [Pg.91]    [Pg.19]   
See also in sourсe #XX -- [ Pg.166 , Pg.167 ]



SEARCH



Sensitivity field

Signal sensitivity

Signal transfer

© 2024 chempedia.info