| Symbol | Name | Description |
|---|---|---|
| CS | Comparison Stimulus. | Stimulus that subject must use to compare his perception of a base stimulus. |
| ISI | Inter-Stimulus Interval. | Interval between end of TS and start of MS. |
| MS | Masking Stimulus. | Stimulus that blocks subject’s distinct perception of the TS. |
| RT | Subject’s Reaction Time. | Measured from onset of TS. |
| S | The Subject being tested. | Individual from whom response data is gathered. |
| Ss | Subjects being tested. | Individuals from whom response data is gathered. |
| SOA | Stimulus Onset Asynchrony. | Interval between start of TS and start of MS |
| TS | Test Stimulus. | Stimulus whose detection is being tested. |
| ∆t | Stimulus onset difference. | Same as SOA for short TS duration. |
bioperipatetic 