Abstracts 2005 - The Psychonomic Society

Abstracts 2005 - The Psychonomic Society Abstracts 2005 - The Psychonomic Society

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Papers 84–90 Friday Afternoon onset of a new object) attract attention automatically. We examined whether the organization of some elements in the display into an object, with no abrupt onset or any other unique transient, can also attract attention automatically. Participants were presented with a display of nine elements, one of which was the target, and had to identify the target’s color. On some of the trials, a subset of the elements grouped into an object. The object was irrelevant to the task and unpredictive of the target. The results show that performance on trials with an object present in the display was faster than performance on trials with no object for targets in the object area (a benefit) but was slower for targets in a nonobject area (a cost). These findings suggest that a perceptual object can capture attention in a stimulus-driven manner by its mere objecthood. 2:30–2:45 (84) Capturing Driver Attention. CRISTY HO, University of Oxford, HONG Z. TAN, Purdue University, & CHARLES SPENCE, University of Oxford (read by Charles Spence)—We report a series of experiments designed to assess the relative effectiveness of spatial auditory, vibrotactile, and visual warning signals in alerting drivers to potential emergency driving events seen through the windscreen or rearview mirror in a simulated driving task. Our results show that while directional congruency between a warning signal and a target traffic event may be sufficient to facilitate performance, due to response priming, attentional facilitation typically requires the colocation of the cue and the target within the same functional region of space. Our results are discussed in terms of the distinction between the brain’s processing of stimuli presented in peripersonal and extrapersonal space. We will also highlight research comparing spatial versus verbal warning signals and comparing the effectiveness of unimodal versus multisensory warning signals. 2:50–3:05 (85) Separating Multisensory Integration From Unspecific Warning Effects in Saccadic Reaction Time. ADELE DIEDERICH, International University Bremen, & HANS COLONIUS, Universität Oldenburg— Saccadic reaction time (SRT) to visual targets tends to be faster when auditory or tactile stimuli occur in close temporal or spatial proximity, even when subjects are instructed to ignore the nontarget. The time-window-of-integration (TWIN) model for multisensory integration (Colonius & Diederich, 2004, J. Cog. Neurosci.) distinguishes an early afferent stage of parallel peripheral processing from a second stage comprising neural integration of the input and preparation of an oculomotor response. TWIN is extended here to allow separation of a—spatially unspecific—warning effect from true multisensory integration. TWIN is supported by SRT data from a study using 23 different stimulus onset asynchronies over a range of 700 msec, with visual stimuli and auditory or tactile nontargets presented ipsi- or contralateral to the target. Reasoning With or About Others Dominion Ballroom, Friday Afternoon, 1:30–3:30 Chaired by Robert L. Goldstone, Indiana University 1:30–1:45 (86) The Propagation of Innovations in a Social Network. ROBERT L. GOLDSTONE, WINTER MASON, & ANDY JONES, Indiana University—Social organisms can explore solutions to problems on their own or can exploit innovative solutions discovered by their peers. Our participants guessed numbers between 0 and 100 and were shown the points earned by their guesses, based upon a hidden scoring function that either was single peaked or had three peaks (two local maxima and one global maximum). Over 15 rounds, participants received feedback not only on their own guesses, but also on their neighbors’ guesses. Neighbors were determined by one of four network topologies: locally connected lattice, random, fully connected, and small world (e.g., a lattice plus a few long-range connections). For the 14 single- and three-peaked functions, the fully connected and smallworld networks, respectively, converged most quickly on the global maximum. These results suggest that complete information is not always beneficial for a group and that problem spaces requiring substantial exploration may benefit from networks with mostly locally connected individuals. 1:50–2:05 (87) Making Decisions With Your Spouse. KATHLEEN M. GALOTTI, Carleton College—Parents of kindergarten students participated in a longitudinal study, tracking them up to three times over the course of a year as they made a decision for educational placement (from among seven to eight available options) for their child for the following year. Ninety-six couples have participated to date. This presentation will examine the effects of having a similar or dissimilar decision-making style with one’s spouse or significant other on both performance measures and affective reactions to the process. We will also examine whether having values, goals, or criteria in common makes the process easier or harder. 2:10–2:25 (88) Making Decisions for Others: Accuracy and Competence. GRET- CHEN B. CHAPMAN, Rutgers University, Piscataway, & LAURA KRESSEL, New York University—Surrogate decisions made on behalf of a beneficiary should ideally match the decisions the beneficiary would make him- or herself. We examined two factors that affect accuracy of surrogate decisions: (1) the beneficiary’s competence in providing instructions to the surrogate about his or her preferences and (2) the surrogate’s competence in applying those instructions. In Experiment 1, 56 undergraduates playing the role of beneficiary completed a living will that provided instructions for medical care and responded to a series of medical scenarios. Living wills from select participants of varied competence were given to 75 undergraduate “surrogates” in Experiment 2. Surrogates read the living wills and then predicted the beneficiaries’ responses to the medical scenarios. Accuracy of prediction was statistically related to both beneficiary competence in expressing instructions in the living will (as scored in Experiment 1) and surrogate competence in using information in a living will (as scored in Experiment 2). 2:30–2:45 (89) What Do You Want? Event Indexing When Inferring Goals. JOSEPH P. MAGLIANO, JOHN J. SKOWRONSKI, & MARY A. BRITT, Northern Illinois University, CHRISTOPHER D. GÜSS, North Florida University, & CHRIS FORSYTHE, Sandia National Laboratories— This study investigated the processes by which one infers the goal of a stranger. Adopting a mental model view of social inferences, it was assumed that understanders monitor situational cues present during social interactions and that goal inferences are guided by the informativeness of these cues—that is, their diagnosticity and typicality. In Experiment 1, a procedure for identifying cues was developed. Experiments 2 and 3 assessed the relative importance of cue categories (space, time, characteristics of oneself, characteristics of the stranger, and stranger’s behavior) and measures of cue informativeness (diagnosticity and typicality) for goal judgments. The results indicate that both measures of informativeness have a significant impact on goal judgments but that their combined impact was far greater than their unique impact. Furthermore, some cues, such as stranger characteristics and stranger behavior, affect judgments more than would be expected from measurements of their typicality and diagnosticity. 2:50–3:05 (90) Understanding Intention From Minimal Displays of Human Activity. FRANK E. POLLICK & PHILIP MCALEER, University of Glasgow—Social intention and meaning can be attributed to displays of moving geometric shapes, yet the visual and cognitive processes that underlie this perception of animacy are still open to debate. Typically, animacy displays are created by talented animators or synthesized

Friday Afternoon Papers 91–97 with the aid of mathematical formulations. We present a subtractive method where video recordings of human actions are progressively reduced into displays that show only the motion of simple geometric shapes. It is the focus of our study to extract the mechanisms, both visual and cognitive, at the root of this perception. We will present empirical data showing that subjects can differentiate the intentions of dyads in various animacy displays. Results shall be discussed in terms of the relationship and kinematics of one agent to another in the displays. 3:10–3:25 (91) A Preference-Scaling Analysis of the Link Between Eating Disorders and Self-Perception. TERESA A. TREAT, Yale University, RICHARD J. VIKEN, Indiana University, SHIRLEY S. WANG, Yale University, RICHARD M. MCFALL, Indiana University, & MARIANN R. WEIERICH, Yale University—Preference-scaling methods were used to examine (1) women’s utilization of body size, facial affect, and attractiveness, as well as their preferred values along these dimensions, when defining their real self, their ideal self, and their perception of men’s ideal, and (2) the links between these processing characteristics, gender, and eating disorder symptoms. Three hundred college women viewed all possible pairs of 24 photos of undergraduate women three times, rapidly selected one woman in response to particular questions (e.g., “Which woman is more like you?”; “Which woman do you think men would find more attractive?”), and then completed assessments of eating disorder symptoms. Fifty-three college males completed a preference task in which they indicated which woman was more attractive on each trial. As was expected, dimensional utilization and preferred values varied with rating condition, gender, and eating disorder symptoms. These findings highlight the utility of preference-scaling models for the evaluation of individual differences in socially relevant information processing. Sentence Processing Civic Ballroom, Friday Afternoon, 1:30–4:10 Chaired by David N. Caplan, Massachusetts General Hospital 1:30–1:45 (92) Task Effects on BOLD Signal Correlates of Syntactic Processing. DAVID N. CAPLAN, Massachusetts General Hospital, EVAN CHEN, University of Pennsylvania, & GLORIA S. WATERS, Boston University—Behavioral and BOLD signal measures were obtained while 16 participants performed two tasks when presented with sentences with more complex subject–object relative clauses and less complex object– subject relative clauses. In Task 1 (plausibility judgment), participants read sentences and made speeded judgments regarding the plausibility of each sentence. In Task 2 (nonword detection), participants read sentences and made speeded judgments regarding whether the sentence contained a nonword. The behavioral and neurovascular results indicate that the comprehension of a sentence is affected by the ease of thematic role assignment and the syntactic structure of a sentence and that the effects of these factors are increased when subjects make conscious decisions about sentence meaning. The results also bear on the neural location of operations involved in assigning the syntactic structure of sentences and the interaction of these processes with thematic role assignment. 1:50–2:05 (93) External/Internal Status Explains Neither the Frequency of Occurrence Nor the Difficulty of Comprehending Reduced Relative Clauses. MARY L. HARE, Bowling Green State University, MICHAEL K. TANENHAUS, University of Rochester, & KEN MCRAE, University of Western Ontario—McKoon and Ratcliff (Psychological Review, 2003) argue that reduced relatives (RRs), such as “The horse raced past the barn fell,” are incomprehensible because the meaning of the RR construction requires a verb with an event template that includes an external cause (EC). Thus, RRs with internal cause (IC) verbs such as race are “prohibited.” Their corpus analyses showed that RRs are common with EC but rare with IC verbs. Alternatively, RRs may be 15 rare with IC verbs because few of these occur in the passive. Those that do, however, should make acceptable RRs, with ease of comprehension related to difficulty of ambiguity resolution, rather than to the IC/EC distinction. In two experiments, we show that English speakers willingly produce RRs with IC verbs and judge their acceptability on the basis of factors known to influence ambiguity resolution. Moreover, a regression model demonstrates that frequency of the passive, not IC/EC status, predicts RR frequency in parsed corpora. 2:10–2:25 (94) Syntactic Priming in Comprehension. MATTHEW J. TRAXLER, University of California, Davis, MARTIN J. PICKERING, University of Edinburgh, & KRISTEN TOOLEY, University of California, Davis— A series of eye-tracking experiments investigated syntactic priming in comprehension. Prior experiments indicated that sentences containing reduced relative clauses are processed more easily when they follow sentences with the same syntactic structure and the same past participle. In addition, syntactic priming effects occur when local structural relations are preserved but aspects of global structure are changed. In Experiment 1, the past participle in the prime and the target sentences were identical or were synonyms. Priming was observed only for the repeated past participle. In Experiment 2, reduced relative primes were contrasted with pluperfect primes, and only the former type facilitated target sentence processing. We conclude that the source of priming is the repeated past participle, together with its implicit argument structure. 2:30–2:45 (95) The Order of Modifiers in Noun Phrases. EDWARD J. WISNIEWSKI, University of North Carolina, Greensboro, GERT STORMS, University of Leuven, & PHIL MAGUIRE, University College Dublin—Language researchers suggest that the adjectives of a noun phrase are ordered by their intrinsicality with respect to the head noun, such that more intrinsic adjectives are placed closer to the head noun. On this account, a speaker would refer to a church that is large and gray as a “large gray church” because grayness is more intrinsic to a church than is size. Contextual factors are also important in adjective order. We examine the generality of these views, for both adjectives and noun modifiers, and suggest that other factors play an important role in how modifiers are ordered in a noun phrase. 2:50–3:05 (96) Online Effects of NP Types on Sentence Complexity. YOONHYOUNG LEE, MARCUS JOHNSON, PETER C. GORDON, & RANDALL HENDRICK, University of North Carolina, Chapel Hill (read by Peter C. Gordon)—The effect of different types of noun phrases (NPs) on the ease of understanding complex sentences has been a topic of considerable recent interest because these effects offer a way of understanding the nature of the interaction between language and memory. Research on this topic, using offline methods or online methods with relatively low temporal resolution, has shown that sentence complexity effects are maximized when the critical NPs in the sentence are similar, a result that points to the operation of an interference mechanism such as that common in many nonlinguistic types of human memory. The present research uses eye tracking to study how the similarity of NPs affects the online processing of complex sentences in English and in Korean. The results from both languages provide evidence that similarity-based interference occurs as an early online process and may continue to occur in later stages of sentence comprehension. 3:10–3:25 (97) Verb Repetition in Distractor Items Affects Structural Priming in Comprehension. GAIL MAUNER & SUNFA KIM, SUNY, Buffalo— Readers often garden path on sentences whose main verb is biased toward a direct object (DO) complement but resolves as a sentential complement (SC). Experiment 1 demonstrates that garden pathing is reduced in disambiguating regions when an SC target sentence whose main verb is biased toward a DO completion is preceded by an SC

Friday Afternoon Papers 91–97<br />

with the aid of mathematical formulations. We present a subtractive<br />

method where video recordings of human actions are progressively reduced<br />

into displays that show only the motion of simple geometric<br />

shapes. It is the focus of our study to extract the mechanisms, both visual<br />

and cognitive, at the root of this perception. We will present empirical<br />

data showing that subjects can differentiate the intentions of dyads<br />

in various animacy displays. Results shall be discussed in terms of the<br />

relationship and kinematics of one agent to another in the displays.<br />

3:10–3:25 (91)<br />

A Preference-Scaling Analysis of the Link Between Eating Disorders<br />

and Self-Perception. TERESA A. TREAT, Yale University, RICHARD<br />

J. VIKEN, Indiana University, SHIRLEY S. WANG, Yale University,<br />

RICHARD M. MCFALL, Indiana University, & MARIANN R.<br />

WEIERICH, Yale University—Preference-scaling methods were used<br />

to examine (1) women’s utilization of body size, facial affect, and attractiveness,<br />

as well as their preferred values along these dimensions,<br />

when defining their real self, their ideal self, and their perception of<br />

men’s ideal, and (2) the links between these processing characteristics,<br />

gender, and eating disorder symptoms. Three hundred college<br />

women viewed all possible pairs of 24 photos of undergraduate<br />

women three times, rapidly selected one woman in response to particular<br />

questions (e.g., “Which woman is more like you?”; “Which<br />

woman do you think men would find more attractive?”), and then<br />

completed assessments of eating disorder symptoms. Fifty-three college<br />

males completed a preference task in which they indicated which<br />

woman was more attractive on each trial. As was expected, dimensional<br />

utilization and preferred values varied with rating condition,<br />

gender, and eating disorder symptoms. <strong>The</strong>se findings highlight the<br />

utility of preference-scaling models for the evaluation of individual<br />

differences in socially relevant information processing.<br />

Sentence Processing<br />

Civic Ballroom, Friday Afternoon, 1:30–4:10<br />

Chaired by David N. Caplan, Massachusetts General Hospital<br />

1:30–1:45 (92)<br />

Task Effects on BOLD Signal Correlates of Syntactic Processing.<br />

DAVID N. CAPLAN, Massachusetts General Hospital, EVAN CHEN,<br />

University of Pennsylvania, & GLORIA S. WATERS, Boston University—Behavioral<br />

and BOLD signal measures were obtained while 16<br />

participants performed two tasks when presented with sentences with<br />

more complex subject–object relative clauses and less complex object–<br />

subject relative clauses. In Task 1 (plausibility judgment), participants<br />

read sentences and made speeded judgments regarding the plausibility<br />

of each sentence. In Task 2 (nonword detection), participants read sentences<br />

and made speeded judgments regarding whether the sentence contained<br />

a nonword. <strong>The</strong> behavioral and neurovascular results indicate that<br />

the comprehension of a sentence is affected by the ease of thematic role<br />

assignment and the syntactic structure of a sentence and that the effects<br />

of these factors are increased when subjects make conscious decisions<br />

about sentence meaning. <strong>The</strong> results also bear on the neural location of<br />

operations involved in assigning the syntactic structure of sentences and<br />

the interaction of these processes with thematic role assignment.<br />

1:50–2:05 (93)<br />

External/Internal Status Explains Neither the Frequency of Occurrence<br />

Nor the Difficulty of Comprehending Reduced Relative<br />

Clauses. MARY L. HARE, Bowling Green State University, MICHAEL<br />

K. TANENHAUS, University of Rochester, & KEN MCRAE, University<br />

of Western Ontario—McKoon and Ratcliff (Psychological Review,<br />

2003) argue that reduced relatives (RRs), such as “<strong>The</strong> horse raced<br />

past the barn fell,” are incomprehensible because the meaning of the<br />

RR construction requires a verb with an event template that includes<br />

an external cause (EC). Thus, RRs with internal cause (IC) verbs such<br />

as race are “prohibited.” <strong>The</strong>ir corpus analyses showed that RRs are<br />

common with EC but rare with IC verbs. Alternatively, RRs may be<br />

15<br />

rare with IC verbs because few of these occur in the passive. Those<br />

that do, however, should make acceptable RRs, with ease of comprehension<br />

related to difficulty of ambiguity resolution, rather than to the<br />

IC/EC distinction. In two experiments, we show that English speakers<br />

willingly produce RRs with IC verbs and judge their acceptability<br />

on the basis of factors known to influence ambiguity resolution. Moreover,<br />

a regression model demonstrates that frequency of the passive,<br />

not IC/EC status, predicts RR frequency in parsed corpora.<br />

2:10–2:25 (94)<br />

Syntactic Priming in Comprehension. MATTHEW J. TRAXLER,<br />

University of California, Davis, MARTIN J. PICKERING, University of<br />

Edinburgh, & KRISTEN TOOLEY, University of California, Davis—<br />

A series of eye-tracking experiments investigated syntactic priming in<br />

comprehension. Prior experiments indicated that sentences containing<br />

reduced relative clauses are processed more easily when they follow<br />

sentences with the same syntactic structure and the same past participle.<br />

In addition, syntactic priming effects occur when local structural<br />

relations are preserved but aspects of global structure are<br />

changed. In Experiment 1, the past participle in the prime and the target<br />

sentences were identical or were synonyms. Priming was observed<br />

only for the repeated past participle. In Experiment 2, reduced relative<br />

primes were contrasted with pluperfect primes, and only the former<br />

type facilitated target sentence processing. We conclude that the<br />

source of priming is the repeated past participle, together with its implicit<br />

argument structure.<br />

2:30–2:45 (95)<br />

<strong>The</strong> Order of Modifiers in Noun Phrases. EDWARD J. WISNIEWSKI,<br />

University of North Carolina, Greensboro, GERT STORMS, University<br />

of Leuven, & PHIL MAGUIRE, University College Dublin—Language<br />

researchers suggest that the adjectives of a noun phrase are ordered<br />

by their intrinsicality with respect to the head noun, such that more<br />

intrinsic adjectives are placed closer to the head noun. On this account,<br />

a speaker would refer to a church that is large and gray as a<br />

“large gray church” because grayness is more intrinsic to a church<br />

than is size. Contextual factors are also important in adjective order.<br />

We examine the generality of these views, for both adjectives and<br />

noun modifiers, and suggest that other factors play an important role<br />

in how modifiers are ordered in a noun phrase.<br />

2:50–3:05 (96)<br />

Online Effects of NP Types on Sentence Complexity. YOONHYOUNG<br />

LEE, MARCUS JOHNSON, PETER C. GORDON, & RANDALL<br />

HENDRICK, University of North Carolina, Chapel Hill (read by Peter<br />

C. Gordon)—<strong>The</strong> effect of different types of noun phrases (NPs) on<br />

the ease of understanding complex sentences has been a topic of considerable<br />

recent interest because these effects offer a way of understanding<br />

the nature of the interaction between language and memory.<br />

Research on this topic, using offline methods or online methods with<br />

relatively low temporal resolution, has shown that sentence complexity<br />

effects are maximized when the critical NPs in the sentence are similar,<br />

a result that points to the operation of an interference mechanism<br />

such as that common in many nonlinguistic types of human memory.<br />

<strong>The</strong> present research uses eye tracking to study how the similarity of<br />

NPs affects the online processing of complex sentences in English and<br />

in Korean. <strong>The</strong> results from both languages provide evidence that<br />

similarity-based interference occurs as an early online process and<br />

may continue to occur in later stages of sentence comprehension.<br />

3:10–3:25 (97)<br />

Verb Repetition in Distractor Items Affects Structural Priming in<br />

Comprehension. GAIL MAUNER & SUNFA KIM, SUNY, Buffalo—<br />

Readers often garden path on sentences whose main verb is biased toward<br />

a direct object (DO) complement but resolves as a sentential<br />

complement (SC). Experiment 1 demonstrates that garden pathing is<br />

reduced in disambiguating regions when an SC target sentence whose<br />

main verb is biased toward a DO completion is preceded by an SC

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