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Measures orientation tuning curve(s) of a particular unit using a full-field sine grating stimulus.
The curve can be plotted at various different values of the contrast (or actually any other parameter) of the stimulus. If using contrast and the network contains an LGN layer, then one would usually specify michelson_contrast as the contrast_parameter. If there is no explicit LGN, then scale (offset=0.0) can be used to define the contrast. Other relevant contrast definitions (or other parameters) can also be used, provided they are defined in PatternPresenter and the units parameter is changed as appropriate.
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coords = param.Parameter(default= None, doc= """Ignored; here Ignored; here just to suppress warning. |
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pattern_presenter = param.Callable(default= PatternPresenter(pCallable object that will present a parameter-controlled pattern to a set of Sheets. |
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__params = dict() -> new empty dictionary. |
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name = <param.parameterized.String object at 0xb32e32c>String identifier for this object. |
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coordsIgnored; here just to suppress warning.
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pattern_presenterCallable object that will present a parameter-controlled pattern to a set of Sheets. By default, uses a SineGrating presented for a short duration. By convention, most Topographica example files are designed to have a suitable activity pattern computed by that time, but the duration will need to be changed for other models that do not follow that convention.
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__params
dict() -> new empty dictionary.
dict(mapping) -> new dictionary initialized from a mapping object's
(key, value) pairs.
dict(seq) -> new dictionary initialized as if via:
d = {}
for k, v in seq:
d[k] = v
dict(**kwargs) -> new dictionary initialized with the name=value pairs
in the keyword argument list. For example: dict(one=1, two=2)
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