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Title: The bizarreness effect and memory: implications for eyewitness testimony.
Creator: Wiseman, Jennifer., Harriet L. Wilkes Honors College
Abstract/Description: Mistakes in combining components of stimuli are called binding or memory conjunction errors. They occur when people mistakenly associate two previously seen stimulus features that were not previously seen together. It is hypothesized that bizarre items will be better remembered than common items. Participants saw 18 continuous events, each containing four actions performed by four different actors. One week later they returned for a recognition test and were shown more video clips. There were...
Show moreMistakes in combining components of stimuli are called binding or memory conjunction errors. They occur when people mistakenly associate two previously seen stimulus features that were not previously seen together. It is hypothesized that bizarre items will be better remembered than common items. Participants saw 18 continuous events, each containing four actions performed by four different actors. One week later they returned for a recognition test and were shown more video clips. There were old, new action, and conjunction items. A conjunction item was composed of a familiar actor performing a familiar action that had previously been performed by someone else. For each clip, participants were asked if they saw this person perform this action before. Participants responded "yes" to conjunction same context items more often than they did to conjunction different context items.
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Date Issued: 2008
PURL: http://purl.flvc.org/FAU/77698
Subject Headings: Eyewitness identification, Context effects (Psychology), Memory
Format: Document (PDF)

Title: Binding Errors and their Relationship to Object-Present and Object-Absent Motion Events.
Creator: Pacific, Justin Brooks, Kersten, Alan, Florida Atlantic University, Department of Psychology, Charles E. Schmidt College of Science
Abstract/Description: The current study sought to examine further the concept of eyewitness memory for events. Specifically, using filmed events that were performed with objects and events performed without objects, we explored the potential interaction of the object cue and binding or conjunction errors. This specific memory error involves improperly pairing two or more feature memories together in the long-term store. In our study, these features were the action and the actress performing the action. Our study...
Show moreThe current study sought to examine further the concept of eyewitness memory for events. Specifically, using filmed events that were performed with objects and events performed without objects, we explored the potential interaction of the object cue and binding or conjunction errors. This specific memory error involves improperly pairing two or more feature memories together in the long-term store. In our study, these features were the action and the actress performing the action. Our study involved 51 participants. Participants were shown target events in Week 1 and asked to retrieve the target events from a larger group of events in Week 2. While findings did not show the expected interaction of conjunction events to object presence or absence, objects without an object showed a significantly higher acceptance rate. A secondary analysis revealed an interaction effect between head-focus and recognition item type, meaning participants did view events without an object differently from objects with an object.
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Date Issued: 2006
PURL: http://purl.flvc.org/fau/fd/FA00000804
Subject Headings: Context effects (Psychology), Eyewitness identification, Recollection (Psychology), Visual perception
Format: Document (PDF)

Title: THE INFLUENCE OF CONTEXT AND PERCEPTUAL LOAD ON OBJECT RECOGNITION.
Creator: Islam, Mohammed, Barenholtz, Elan, Florida Atlantic University, Charles E. Schmidt College of Science, Department of Psychology
Abstract/Description: Forster and Lavie (2008) and Lavie, Lin, Zokaei and Thoma (2009) have demonstrated that meaningful stimuli, such as objects, are ignored under conditions of high perceptual load but not low. However, objects are seldom presented without context in the real world. Given that context can reduce the threshold for object recognition (Barenholtz, 2013), is it possible for context to reduce the processing load of objects such that they can be processed under high load? In the first experiment, I...
Show moreForster and Lavie (2008) and Lavie, Lin, Zokaei and Thoma (2009) have demonstrated that meaningful stimuli, such as objects, are ignored under conditions of high perceptual load but not low. However, objects are seldom presented without context in the real world. Given that context can reduce the threshold for object recognition (Barenholtz, 2013), is it possible for context to reduce the processing load of objects such that they can be processed under high load? In the first experiment, I attempted to obtain similar findings of the aforementioned studies by replicating their paradigm with photographs of real-world objects. The findings of the experiment suggested that objects can cause distractor interference under high load conditions, but not low load conditions. These findings are opposite of what the perceptual literature suggests (e.g., Lavie, 1995). However, these findings are aligned with a two-stage dilution model of attention in which information is first processed in parallel and then selectively (Wilson, Muroi, and MacLeod, 2011). Experiment 2 assessed if this effect was specific to semantic objects by introducing meaningless, abstract objects. The results suggest that the dilution effect was not due to the semantic features of objects. The third experiment assessed the influence of context on objects under load. The results of the experiment found an elimination of all interference effects in both the high and low load conditions. Comparisons between scene-object congruency revealed no influence of semantic information from scenes. It appears that the presentation of a visual stimuli prior to the flanker task diluted attention such that the distractor effects previously observed in the high load condition were minimized. Thus, it does not appear that context reduced the threshold for object recognition under load. All three experiments have demonstrated strong evidence for the dilution approach of attention over perceptual load models.
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Date Issued: 2019
PURL: http://purl.flvc.org/fau/fd/FA00013319
Subject Headings: Perception--Research, Selective attention, Form perception, Context effects (Psychology)
Format: Document (PDF)

Title: Self-relevant familiarity effects on object recognition: effects of context, location and object's size.
Creator: Daskagianni, Evangelie., Charles E. Schmidt College of Science, Department of Psychology
Abstract/Description: Recent research in visual object recognition has shown that context can facilitate object recognition. This study assessed the effect of self-relevant familiarity of context in object recognition. Participants performed a task in which they had to recognize degraded objects shown under varying levels of contextual information. The level of degradation at which they could successfully recognize the target object was used as a measure of performance. There were five contextual conditions: (1)...
Show moreRecent research in visual object recognition has shown that context can facilitate object recognition. This study assessed the effect of self-relevant familiarity of context in object recognition. Participants performed a task in which they had to recognize degraded objects shown under varying levels of contextual information. The level of degradation at which they could successfully recognize the target object was used as a measure of performance. There were five contextual conditions: (1) no context, (2) context, (3) context and size, (4) context and location, (5) context, size and location. Within each contextual condition, we compared the performance of "Expert" participants who viewed objects in the context of their own house and "Novice" participants who viewed those particular settings for the first time. Ratings were performed to assess each object's consistency, frequency, position consistency, typicality and shape distinctiveness. Object's size was the only contextual info rmation that did not affect performance. Contextual information significantly reduced the amount of bottom-up visual information needed for object identification for both experts and novices. An interaction (Contextual Information x Level of Familiarity) was observed. Expert participants' performance improved significantly more than novice participants' performance by the presence of contextual information. Location information affected the performance of expert participants, only when objects that occupied stable positions were considered. Both expert and novice participants performed better with objects that rated high in typicality and shape distinctiveness. Object's consistency, frequency and position consistency did not seem to affect expert participants' performance but did affect novice participants' performance., A regression analysis model that included Level of Familiarity, Contextual Information Level, Shape and Typical performance. Our results are in accordance with the priming model of visual object recognition. We concluded that a self-relevant context has its own consistency rules and that it affects visual object recognition by narrowing down the number of expectations and the search space significantly more than a non-self-relevant context does. Keywords: visual object recognition, self-relevant familiarity, location, size, probability.
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Date Issued: 2011
PURL: http://purl.flvc.org/FAU/3332183
Subject Headings: Optical pattern recognition, Context effects (Psychology), Visual perception, Categorization (Psychology), Recognition (Psychology), Whole and parts (Psycholog)
Format: Document (PDF)

Title: Preserved and deficient calculation processes in Alzheimer's disease and mild cognitive impairment.
Creator: Jurado Noboa, Maria Beatriz., Charles E. Schmidt College of Science, Department of Psychology
Abstract/Description: Two skills necessary for the execution of proficient calculation, retrieving arithmetic facts from memory and accessing number magnitude information, were studied in a group of patients diagnosed with Alzheimer's disease (AD), mild cognitive impairment (MCI), and healthy controls to try to elucidate the locus of impairment in AD-related calculation deficits. This was achieved through the use of an arithmetic production task and a number-matching task as measures of explicit and implicit...
Show moreTwo skills necessary for the execution of proficient calculation, retrieving arithmetic facts from memory and accessing number magnitude information, were studied in a group of patients diagnosed with Alzheimer's disease (AD), mild cognitive impairment (MCI), and healthy controls to try to elucidate the locus of impairment in AD-related calculation deficits. This was achieved through the use of an arithmetic production task and a number-matching task as measures of explicit and implicit retrieval of arithmetic facts, and a numerical Stroop task that assesses automatic access to number magnitude representation. AD patients, but not MCI patients, showed high response latencies and a high number of errors when performing multiplications in the production task, and reduced automatic retrieval of arithmetic task in the number-matching task. All participants showed the classic problem-size effect often reported in the mathematical cognition literature. Performance on the numerical Stroop task suggests that access to number magnitude information is relatively resistant to cognitive impairment. ... Results for the AD group are consistent with a pattern of preserved and impaired cognitive processes that might mediate the reported calculation deficits in AD.
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Date Issued: 2013
PURL: http://purl.flvc.org/fcla/dt/3362384
Subject Headings: Aging, Psychological aspects, Cognitive psychology, Memory disorders in old age, Alzheimer's disease, Diagnosis, Context effects (Psychology)
Format: Document (PDF)

Title: The influrence of language on recognition memory for motion.
Creator: Karaman, Ferhat., Charles E. Schmidt College of Science, Department of Psychology
Abstract/Description: Satellite-framed languages and verb-framed languages differ in how they encode motion events. English encodes or lexicalizes Path in verb particles, prepositional phrases, or satellites associated with the main verb. In contrast, Turkish tends to encode Path in the main verb of a clause. When describing motion events, English speakers typically use verbs that convey information about manner rather than path, whereas Turkish speakers do the opposite. In this study, we investigated whether this...
Show moreSatellite-framed languages and verb-framed languages differ in how they encode motion events. English encodes or lexicalizes Path in verb particles, prepositional phrases, or satellites associated with the main verb. In contrast, Turkish tends to encode Path in the main verb of a clause. When describing motion events, English speakers typically use verbs that convey information about manner rather than path, whereas Turkish speakers do the opposite. In this study, we investigated whether this crosslinguistic difference between English and Turkish influences how the speakers of these languages perform in a non-linguistic recognition memory task. In a video description task, English speakers used more manner verbs in the main verb of sentences than Turkish speakers did. In the recognition memory task, English speakers attended more strongly than Turkish speakers did to path of motion. English and Turkish speakers attended equally to manner of motion, however, providing no support for the linguistic relativity hypothesis.
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Date Issued: 2013
PURL: http://purl.flvc.org/fcla/dt/3362478
Subject Headings: Psycholinguistics, Computational neuroscience, Cognitive psychology, Context effects (Psychology), Transference (Psychology), Motion segmentation
Format: Document (PDF)

Title: The influence of motion type on memory of simple events.
Creator: Berger, Johanna D., Charles E. Schmidt College of Science, Department of Psychology
Abstract/Description: This experiment investigated an individual's memory of specific motion events, unique actor, intrinsic motion, and extrinsic motion combination. Intrinsic motions involve the movement of an individual's body parts in a specific manner to move around, while extrinsic motions specify a path in reference to an external object. Participants viewed video clips, each depicting an actor performing a unique extrinsic and intrinsic motion combination. One week later, they viewed a different series of...
Show moreThis experiment investigated an individual's memory of specific motion events, unique actor, intrinsic motion, and extrinsic motion combination. Intrinsic motions involve the movement of an individual's body parts in a specific manner to move around, while extrinsic motions specify a path in reference to an external object. Participants viewed video clips, each depicting an actor performing a unique extrinsic and intrinsic motion combination. One week later, they viewed a different series of retrieval video clips consisting of old (identical to encoding), extrinsic conjunction (extrinsic motion previously performed by different actor), intrinsic conjunction (intrinsic motion previously performed by different actor), and new (novel extrinsic or intrinsic motion) video clips. Participants responded "yes" to viewing the old video clips the most often, followed by conjunction video clips, and then new video clips. Furthermore, there were a greater number of "yes" event memory recognition responses for extrinsic conjunction items than intrinsic conjunction items.
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Date Issued: 2009
PURL: http://purl.flvc.org/FAU/186673
Subject Headings: Recollection (Psychology), Context effects (Psychology), Memory, Research, Human information processing, Research, Transference (Psychology), Motion segmentation
Format: Document (PDF)

Title: The role of location information in identifying degraded objects.
Creator: Schlangen, Derrick, Charles E. Schmidt College of Science, Department of Psychology
Abstract/Description: Across three experiments, we assessed how location and color information contributes to the identification of an object whose image has been degraded, making its identity ambiguous. In Experiment 1, some of the target objects had fixed locations within the scene. We found that subjects used this location information during search and later to identify the blurred target objects. In Experiment 2, we tested whether location and color information can be combined to identify degraded objects, and...
Show moreAcross three experiments, we assessed how location and color information contributes to the identification of an object whose image has been degraded, making its identity ambiguous. In Experiment 1, some of the target objects had fixed locations within the scene. We found that subjects used this location information during search and later to identify the blurred target objects. In Experiment 2, we tested whether location and color information can be combined to identify degraded objects, and results were inconclusive. In Experiment 3, both the location and color of each object was variable but statistically predictive of the object's identity. We found that subjects used both sources of information-color and location - equally when identifying the blurred image of the object. Overall, these findings suggest that location information may be as determining as intrinsic feature information to identify objects when the objects' intrinsic features are degraded.
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Date Issued: 2013
PURL: http://purl.flvc.org/fcla/dt/3361059
Subject Headings: Recognition (Psychology), Context effects (Psychology), Visual perception, Imagery (Psychology), Implicit learning
Format: Document (PDF)

Title: Excuse me (random acts of encounter and exploration).
Creator: Gregorio, Kelly Ann., Dorothy F. Schmidt College of Arts and Letters, Department of English
Abstract/Description: I am living in a world of strangers. Growing up, I was told to never talk to them. As an adult, I have grown self-centered, spending my days filtering the external into my own internal truths. In doing so, a boundary has been set between my brain and everything beyond it. For different reasons I have stayed quiet over the years, and formed opinions of strangers by means of observation; but now, finally, I am reaching out. I am going to places I would not normally go to, slowing down enough to...
Show moreI am living in a world of strangers. Growing up, I was told to never talk to them. As an adult, I have grown self-centered, spending my days filtering the external into my own internal truths. In doing so, a boundary has been set between my brain and everything beyond it. For different reasons I have stayed quiet over the years, and formed opinions of strangers by means of observation; but now, finally, I am reaching out. I am going to places I would not normally go to, slowing down enough to notice, and trying something different. I am trying to talk to strangers, trying to get them to open up to me in a world where a lot of us have curled the focus inward. I am trying to explore, trying to overcome, approach, dig deeper, and above all, learn something that makes each one of us familiar.
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Date Issued: 2011
PURL: http://purl.flvc.org/FAU/3338858
Subject Headings: Symbolism in literature, Narration (Rhetoric), Identity (Psychology), Context effects (Psychology), Conduct of life
Format: Document (PDF)

Title: Peripheral Object Recognition in Naturalistic Scenes.
Creator: Schlangen, Derrick, Barenholtz, Elan, Florida Atlantic University, Charles E. Schmidt College of Science, Department of Psychology
Abstract/Description: Most of the human visual field falls in the periphery, and peripheral processing is important for normal visual functioning. Yet, little is known about peripheral object recognition in naturalistic scenes and factors that modulate this ability. We propose that a critical function of scene and object memory is in order to facilitate visual object recognition in the periphery. In the first experiment, participants identified objects in scenes across different levels of familiarity and...
Show moreMost of the human visual field falls in the periphery, and peripheral processing is important for normal visual functioning. Yet, little is known about peripheral object recognition in naturalistic scenes and factors that modulate this ability. We propose that a critical function of scene and object memory is in order to facilitate visual object recognition in the periphery. In the first experiment, participants identified objects in scenes across different levels of familiarity and contextual information within the scene. We found that familiarity with a scene resulted in a significant increase in the distance that objects were recognized. Furthermore, we found that a semantically consistent scene improved the distance that object recognition is possible, supporting the notion that contextual facilitation is possible in the periphery. In the second experiment, the preview duration of a scene was varied in order to examine how a scene representation is built and how memory of that scene and the objects within it contributes to object recognition in the periphery. We found that the closer participants fixated to the object in the preview, the farther on average they recognized that target object in the periphery. However, only a preview duration of the scenes for 5000 ms produced significantly farther peripheral object recognition compared to not previewing the scene. Overall, these experiments introduce a novel research paradigm for object recognition in naturalistic scenes, and demonstrates multiple factors that have systematic effects on peripheral object recognition.
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Date Issued: 2016
PURL: http://purl.flvc.org/fau/fd/FA00004669, http://purl.flvc.org/fau/fd/FA00004669
Subject Headings: Context effects (Psychology), Human information processing, Optical pattern recognition, Pattern recognition systems, Recognition (Psychology), Visual perception
Format: Document (PDF)

Title: Verb Memory and Text Comprehension.
Creator: Khan, Lamiya, Kersten, Alan, Florida Atlantic University, Charles E. Schmidt College of Science, Department of Psychology
Abstract/Description: Kersten, Earles, and Berger (2015) reported a distinction between two kinds of motion representations. Extrinsic motions involve the path of a person or object, with respect to an external frame of reference. Intrinsic motions involve the manner in which the various parts of a person or object move. They found that intrinsic motions are encoded and remembered with the corresponding actor performing the motions in a unitized memory representation. Extrinsic motions are encoded as separate...
Show moreKersten, Earles, and Berger (2015) reported a distinction between two kinds of motion representations. Extrinsic motions involve the path of a person or object, with respect to an external frame of reference. Intrinsic motions involve the manner in which the various parts of a person or object move. They found that intrinsic motions are encoded and remembered with the corresponding actor performing the motions in a unitized memory representation. Extrinsic motions are encoded as separate memory representations, making them more difficult to accurately associate with the correct actor. In the proposed experiment, I will examine the generality of this distinction in motion representation, and investigate whether the unitization of intrinsic motion with its corresponding actor occurs during reading comprehension tasks.
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Date Issued: 2016
PURL: http://purl.flvc.org/fau/fd/FA00004799, http://purl.flvc.org/fau/fd/FA00004799
Subject Headings: Recollection (Psychology), Context effects (Psychology), Cognitive grammar., Semantics--Psychological aspects., Knowledge, Theory of., Linguistic analysis (Linguistics), Human information processing.
Format: Document (PDF)

Title: Age-related changes in executive function and the influence of processing speed.
Creator: Jurado Noboa, Maria Beatriz., Charles E. Schmidt College of Science, Department of Psychology
Abstract/Description: Healthy aging has been associated with declines in executive functioning (EF) but it remains unclear how different subprocesses of EF are affected by age and by other possibly mediating variables. The principal aim of the present study was to investigate the effects of age and processing speed on three executive functions: set-shifting, planning, and attentional control. Four age groups (20-29 years, 60-69 years, 70-79 years, and 80-89 years) were compared on the Wisconsin Card Sorting Test ...
Show moreHealthy aging has been associated with declines in executive functioning (EF) but it remains unclear how different subprocesses of EF are affected by age and by other possibly mediating variables. The principal aim of the present study was to investigate the effects of age and processing speed on three executive functions: set-shifting, planning, and attentional control. Four age groups (20-29 years, 60-69 years, 70-79 years, and 80-89 years) were compared on the Wisconsin Card Sorting Test (WCST), the DKEFS Tower Test, the Conner's Continuous Performance Test, and a Letter comparison test of processing speed. Results suggested that increased age was associated with decreased performance on most of the studied executive measures, but not all EF are equally affected by age. A slowdown in processing speed mediates some, but not all, decrements in executive performance. The results are interpreted in light of recent neuroimaging data on age-related changes in brain functioning.
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Date Issued: 2009
PURL: http://purl.flvc.org/FAU/187213
Subject Headings: Aging, Psychological aspects, Cognitive psychology, Memory disorders in old age, Ability, Influence of age on, Context effects (Psychology), Cognition, Age factors
Format: Document (PDF)

FAU Theses and Dissertations (11)	+ -
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Context effects (Psychology) (12)	+ -
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Recognition (Psychology) (3)	+ -
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