| Acoustical noninvariance, 262 |
| Acoustical processing, 267, 270, 277 |
| Acoustic confusion, 608, 610, 611, 620, 625 |
| Acoustic cues (see Phonetic cues) |
| Acoustic difference, preset criterion of, 276 |
| Acoustic filter hypothesis, 264, 265, 267, 268, 270 |
| Acoustic parameters of speech, 262, 263-65, 280 |
| Acoustic similarity, 654-55, 664 | effects of, 607 | | metered memory search, 607, 619-23 | | rehearsal rate, 607,609-15, 618 | | scanning for location, 607, 609-15, 618, 619-20 | | scanning for presence, 607, 609-13, 620 |
|
| Activation, 141, 143, 146, 166, 167, 169, 304, 305 |
| Activation path, 714 |
| Activation states: | vs. activation level concept, 465 | | attention disposition shifts and, 465, 471, 473, 474-75 | | closed system thinking and, 475-79, 480 | | control of: | operational characteristics of, 480-81 | | output of, 481-83 | | ultimate level of, 483-84 | | primary dimensions of "activation
space," 479-80 |
|
|
| Activation states (contd.) | controlled transitions between, 479 | | effect on performance, 464-65 | | primary memory processes and, 471-75
reaction potentials, relative strength and, 465-71, 473 |
|
| Active memory, 608, 609, 611, 616, 623, 625 |
| Acuity, visual, 333, 341, 345 |
| Additive effects, 4-7, 9, 11-13, 14, 15, 19, 21, 291, 356 |
| Additive factor method, 101, 111, 112 |
| Additive process, 613 |
| Additivity, 196, 205, 208 |
| Adjustable timing model, 99, 100 | evaluation of, by analysis of variation | | procedure, 111-12 | | statistical problem of testing, 99, 101 | | virtual probabilities method and, 106-10 |
|
| Age differences: | aftereffects of neural activity and, 79, 80-81, 84, 92 | | comparability between subjects, 81 | | in discriminating signals, 84, 85, 86, 93-94 | | monitoring of responses and, 79, 89-90, 92, 93, 94, 95 | | in reaction time, 79-95 |
|
| Agonistic muscles, 139, 143, 160, 161 |
| All-or-none recall, 307, 308, 310, 317, 318, 319 |
| Alteration effect, 80-81, 84, 85, 88, 89, 90, 91, 92, 95 |
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