0. before you start
1. getting started
2. the @cortex class
3. creating a @cortex object
4. things you do with a @cortex object
5. the @key class
6. creating a @key object
7. the key file
8. working with @key objects
9. using @cortex and @key objects
10. spike data analysis
11. the @spix class

5. what are @key objects

A @key object contains one or more keys. Each key defines the criteria to select, from the @cortex object, a subset of trials that belong together, and specifies the time window to consider for the analysis of spike trains. Once a @key object is created, its keys can be passed to @cortex member functions.

A key is composed of the following parts:

field	function	type	default
label	key name	character string	'noname'
start	beginning of analysis window (ms offset from cue event)	integer scalar	-50
finish	end of analysis window (ms offset from cue event)	integer scalar (>start)	250
cues	one or more events ("encodes") to which analysis windows lock on	array of unsigned ntegers	23
conditions	range of conditions to include (-1 to include all)		-1
blocks	range of blocks to include (-1 to include all)		-1
responses	range of response errors to include (-1 to include all)		0
trials	range of "absolute" trials to include (-1 to include all)		-1
type	range of trial types (expected responses) to include (-1 to include all)		-1
given	range of given responses to include (-1 to include all)		-1
repetition	range of repetition numbers to include (-1 to include all)		-1
relative	range of "relative" trial numbers (trial # recorded in the trial header)		-1

note that only the first 3 case-irrelevant characters of the field name are considered. Thus, 'conditions', 'conds', and 'Con' are all equivalent.

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