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Incidental categorization of spectrally complex non-invariant auditory stimuli in a computer game task
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View: Figures


Image of FIG. 1.
FIG. 1.

Screenshot of typical game. The two-eyed figure in the center is an approaching irf-bat character; the orientation of the targeting graphic (two triangles) and background scene indicate that the player has adjusted the line of sight to the left to target the character.

Image of FIG. 2.
FIG. 2.

Sample game. (a) Initial positions of irf-bat characters occurring during the game (inset shows individual characters), overlayed with the player’s initial viewing frustum at each character’s appearance. (b) Traces of player movements in response to the same characters. (c) Degree of player orientation toward characters over the course of the game, defined .

Image of FIG. 3.
FIG. 3.

Schematic representations category exemplars encountered during game play (each exemplar is comprised of the invariant P1 resonance and one P2 pattern.) Thin dashed lines show interpolation to P2 category loci for clarity.

Image of FIG. 4.
FIG. 4.

Onset category stimuli shown in P2 steady state—onset trajectory space.

Image of FIG. 5.
FIG. 5.

Posttest accuracy across experiment 1 conditions (error bars show standard error of the mean).

Image of FIG. 6.
FIG. 6.

Experiment 1 posttest accuracy plotted against game performance measures. Regression lines indicate correlation patterns between measures for each participant group indicates correlation , indicates .

Image of FIG. 7.
FIG. 7.

Response patterns across test stimuli for experiment 1, condition 1 (a and b collapsed; top), condition 2 (middle), and experiment 2 participants. Labeled areas correspond to intended category responses; total area less than 100% indicates missed (timed-out) responses.

Image of FIG. 8.
FIG. 8.

Onset and offset distinction accuracy (correct responses minus locus-varying competitor responses) across training conditions (left) and for experiment 1 subsets (right) defined by removal of ten worst-performing participants on four measures of game training success (error bars show standard error of the mean).


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Incidental categorization of spectrally complex non-invariant auditory stimuli in a computer game task