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Behavioural synchronization and social referencing of dogs and humans: walking in dyad vs in group. Anim Cogn 2023; 26:1021-1034. [PMID: 36759423 DOI: 10.1007/s10071-023-01750-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 01/14/2023] [Accepted: 01/30/2023] [Indexed: 02/11/2023]
Abstract
Recent studies have demonstrated that dogs synchronize their locomotor behaviour with that of their owners. The present study aims to improve our understanding of the sensorimotor processes underlying interspecific behavioural synchronization by testing the influence of the number of humans on dogs' behavioural synchronization. We used Global Positioning System (GPS) devices in an outdoor environment to measure dogs' behavioural synchronization to humans during a locomotor activity involving three speeds (static, slow walking and fast walking). For half of the dogs, only their owner was walking, while for the other half, the owner walked with two familiar people. We also tested the effect of dog breeds by involving 30 shepherd dogs and 30 molossoids. Our results showed that dogs exhibited the same level of behavioural synchronization with their owner if alone or if surrounded by two familiar people. Though the presence of a group of humans did not strengthen the dogs' locomotor synchronization, it did produce another effect: dogs gazed at their owners more frequently in the presence of a group compared to their owner alone. This result suggests the same level of locomotor social entrainment but a difference in social referencing depending on the number of humans.
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Fear modulates parental orienting during childhood and adolescence. J Exp Child Psychol 2022; 221:105461. [PMID: 35617793 PMCID: PMC10019908 DOI: 10.1016/j.jecp.2022.105461] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 04/19/2022] [Accepted: 04/19/2022] [Indexed: 02/03/2023]
Abstract
Adults quickly orient toward sources of danger and deploy fight-or-flight tactics to manage threatening situations. In contrast, infants who cannot implement the safety strategies available to adults and depend heavily on caregivers for survival are more likely to turn toward familiar adults, such as their parents, to help them navigate threatening circumstances. However, work has yet to investigate how readily children and adolescents orient toward their parents in threatening or fearful contexts. The current work addressed this question using a visual search paradigm that included arrays of parents' and strangers' faces as target and distractor stimuli, preceded by a fear or neutral emotional priming procedure. Linear mixed-effects models showed that children and adolescents (N = 88, age range = 4-17 years; 42M/46F) were faster to search for the face of their parent than of a stranger. However, fear priming attenuated this effect of the parent on search times, such that children and adolescents were significantly slower to orient toward their parent in an array of strangers' faces if they were first primed with fear as opposed to a neutral video. This work indicates that fear priming may phasically interfere with parental orienting during childhood and adolescence, possibly because fear reallocates attention away from parents and toward (potentially threatening) unfamiliar people in the environment to facilitate the development of independent threat learning and coping systems.
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Feline communication strategies when presented with an unsolvable task: the attentional state of the person matters. Anim Cogn 2021; 24:1109-1119. [PMID: 33797625 PMCID: PMC8360888 DOI: 10.1007/s10071-021-01503-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 03/01/2021] [Accepted: 03/06/2021] [Indexed: 11/09/2022]
Abstract
Research on social cognitive ability in domestic cats is limited. The current study investigated social referencing in cats when exposed to first, a solvable, and then, an unsolvable scenario (i.e., reachable and unreachable treats) in the presence of either an attentive or an inattentive caregiver. Cats expressed more gaze alternation (P = 0.013), but less interaction with the caregiver (P = 0.048) and approached the treat container less frequently (P = 0.017) during the unsolvable test, compared to the solvable test. When in the presence of an attentive caregiver, cats initiated first gaze at the caregiver faster (P = 0.001); gazed at the caregiver for longer (P = 0.034); and approached the treat more frequently (P = 0.040), compared to when the caregiver was inattentive. Significant interaction was observed between test and caregiver’s attentional state on the expression of sequential behavior, a type of showing behavior. Cats exhibited this behavior marginally more with attentive caregivers, compared to inattentive caregivers, but only during the unsolvable test. There was a decrease in sequential behavior during the unsolvable test, compared to solvable test, but this was only seen with inattentive caregivers (P = 0.018). Our results suggest that gaze alternation is a behavior reliably indicating social referencing in cats and that cats’ social communication with humans is affected by the person’s availability for visual interaction.
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Young children's developing ability to integrate gestural and emotional cues. J Exp Child Psychol 2020; 201:104984. [PMID: 33038706 DOI: 10.1016/j.jecp.2020.104984] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 07/24/2020] [Accepted: 08/11/2020] [Indexed: 11/23/2022]
Abstract
In three studies, children aged 22 to 46 months (N = 180) needed to integrate pointing gestures or gaze cues with positive and negative facial expressions to succeed in an object-choice task. Finding a toy required children to either choose (positive expression) or avoid (negative expression) the indicated target. Study 1 showed that 22-month-olds are better at integrating a positive facial expression with a pointing gesture compared with a negative facial expression with a pointing gesture. Study 2 tracked the integration of negative expressions and pointing across development, finding an unexpected, U-shaped trajectory with group-level success only at 46 months. Study 3 showed that already 34-month-olds succeeded when pointing was replaced with communicative gaze. These findings suggest that at the end of the second year of life, children are generally able to integrate emotional displays and communicative cues such as gestures and ostensive gaze to reevaluate and contextualize utterances. In addition, pointing gestures appear to be understood by young children as a call to act on a referenced object. Findings illustrate that communicative cues should be studied in conjunction with emotional displays to draw an ecologically valid picture of communicative development.
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Movement and vocal intonation together evoke social referencing in companion dogs when confronted with a suspicious stranger. Anim Cogn 2020; 23:913-924. [PMID: 32500293 PMCID: PMC7415750 DOI: 10.1007/s10071-020-01401-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2020] [Revised: 05/28/2020] [Accepted: 05/30/2020] [Indexed: 10/26/2022]
Abstract
Dogs have been claimed to engage in social referencing by responding in a way that corresponded with their owners' reaction in some contexts. We aimed to assess how owners' actions affect family dogs' behaviour in two ambiguous lifelike situations. In Experiment 1, two groups were tested; in the suspicious owner (SO) group, owners behaved suspiciously (N = 25), in the reassuring owner (RO) group, owners behaved in a reassuring manner (N = 28) facing a 'threatening stranger'. The sitting owners provided voice intonation and body posture changes as cues for the dogs when the stranger entered the room. Dogs looked longer at the owners and stayed longer near them in the SO group but their tendency to approach the stranger did not differ between the groups. Although the owners' behaviours seemed to have relevant effects on dogs' responses, we note that these looking and proximity seeking behaviours might also be explained by reactions to the owners' behaviour alone. In Experiment 2, all dogs (N = 19) were tested in both the SO and RO conditions in a slightly different procedure. Depending on the condition, owners took one step forward/backward and spoke happily/worryingly. The procedural differences and the larger distance between the stranger and the owner allowed the dog more time to perceive the behaviour of both the stranger and the owner, which made the distinction between alternative explanations for the dogs' behaviour easier to interpret. Dogs spent more time behind their owners in the SO condition and more dogs approached the stranger in the RO condition. Dogs' avoidance of the stranger when the owner behaved suspiciously and their tendency to approach the stranger only when the owner displayed positive emotions, can be best explained by social referencing.
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Preaching and practicing multicultural education: Predicting students' outgroup attitudes from perceived teacher norms and perceived teacher-classmate relations. J Sch Psychol 2019; 75:89-103. [PMID: 31474284 DOI: 10.1016/j.jsp.2019.07.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 06/13/2019] [Accepted: 07/02/2019] [Indexed: 11/23/2022]
Abstract
Research on the role of teachers in bringing about positive interethnic attitudes among their students has largely focused on the norms teachers express about cultural diversity in the classroom without considering teacher's enactment of these norms in their relationships with students. The current study assessed to what extent students' ethnic outgroup attitudes are affected by perceived positive teacher norms about cultural diversity, together with perceived positive teacher-classmate interactions that may serve as an example to students. We investigated whether and how teacher norms and practices interact to affect students' attitudes, and whether these effects may differ for minority and majority students. Data was gathered in two waves among 186 native (majority) Dutch students, and 129 students with a Turkish-Dutch, or Moroccan-Dutch (minority) background in 29 4th-6th grade classrooms. Results showed that both majority and minority students expressed more positive attitudes towards ethnic outgroups when they perceived their teacher to have a positive relationship with their majority classmates, but only when supported by positive teacher norms. Ethnic majority students had more favorable outgroup attitudes when perceiving positive teacher relationships with minority classmates, but only in the absence of positive teacher norms. These results indicate that students in culturally diverse classrooms consider their teachers' interpersonal relationships with classmates to inform their own attitudes about ethnic outgroups.
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Individualizing Intervention to Teach Joint Attention, Requesting, and Social Referencing to Children with Autism. Behav Anal Pract 2019; 12:105-123. [PMID: 30918774 PMCID: PMC6411543 DOI: 10.1007/s40617-018-0265-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
Abstract
Social communication skills such as joint attention (JA), requesting, and social referencing (SR) are deficits in children with autism spectrum disorder (ASD). Shifting gaze is a common response across these skills. In many studies, children respond variably to intervention, resulting in modifications to planned intervention procedures. In this study, we attempted to replicate the procedures of Krstovska-Guerrero and Jones (Journal of Developmental and Physical Disabilities 28; 289-316, 2016) and Muzammal and Jones (Journal of Developmental and Physical Disabilities 29; 203-221, 2017) to teach JA, requesting, and SR. In general, intervention procedures consisting of prompting and reinforcement were effective in teaching requesting, SR, and JA skills to children with ASD. However, not all children acquired each skill, and all children required individualized procedures to acquire some skills. We report the process of deciding how to modify intervention and discuss considerations for practitioners when planning intervention that may improve children's performance.
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Fourteen-month-olds selectively search for and use information depending on the familiarity of the informant in both laboratory and home contexts. J Exp Child Psychol 2018; 174:112-129. [PMID: 29935470 DOI: 10.1016/j.jecp.2018.05.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Revised: 04/08/2018] [Accepted: 05/16/2018] [Indexed: 11/17/2022]
Abstract
Infants are selective in their learning from others. However, there is only very limited research on the possible factors that shape this selectivity, especially when it comes to the impact of infants' familiarity with the informant and the context. The current study investigated whether 14-month-olds preferred to receive and use information provided by an unfamiliar informant (experimenter) compared with a familiar informant (parent) and whether this pattern depended on the context (home vs. laboratory). We tested infants either in the laboratory (n = 67) or in their home (n = 70). When both informants presented a novel object with positive or negative emotions, we measured infants' gaze behavior as an indicator for information search. When infants acted on the novel object themselves, we measured their exploratory behavior as an indicator of information use. Results revealed no effect of context on infants' information search and use. Rather, we found that the familiarity of informant had distinct effects on infant attention and object exploration. Namely, infants looked longer at the unfamiliar informant across contexts, but they explored more when the familiar informant presented the object compared with when the unfamiliar informant did so. Thus, during information search, 14-month-olds paid most attention to an unfamiliar source of information. However, participants explored the objects more when they came from a familiar source than when they came from an unfamiliar one. Possible explanations for these findings are discussed.
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Development of Communication in Infants: Implications for Stimulus Relations Research. Perspect Behav Sci 2018; 41:175-188. [PMID: 31976393 PMCID: PMC6701736 DOI: 10.1007/s40614-018-0151-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
Abstract
Early forms of stimulus-response relations are learned by infants to communicate with caregivers. The infant communication abilities begin with the learning of eye gazing, joint attention, social referencing, and naming, among others. Learning to engage in these early communication skills facilitates the development of more advanced phenomena seen in equivalence class formations and derived relational responding research. This article discusses evidence of early communication skills that are often required for the emergence of other, more complex forms of stimulus-stimulus relations. We emphasize the importance of establishing these types of operants early in infancy and their implications for developmental research on stimulus relations.
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Effects of adults' contingent responding on infants' behavior in ambiguous situations. Infant Behav Dev 2017; 49:50-61. [PMID: 28732248 DOI: 10.1016/j.infbeh.2017.07.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2017] [Revised: 06/30/2017] [Accepted: 07/01/2017] [Indexed: 11/16/2022]
Abstract
We examined the effect of adults' contingency in responding to infants' behavior in an ambiguous situation in two experiments. In Experiment 1, forty-four 12-month-old infants were exposed to an ambiguous toy. An unfamiliar adult responded either contingently or non-contingently to the infant's bids and then presented the toy and provided positive information. During toy presentation, infants in the non-contingent condition looked less at the experimenter than infants in the contingent condition. In a concluding free-play situation infants in the non-contingent condition played less and tended to touch the toy less. In Experiment 2 (forty-four 12-month-old infants), the parent either responded promptly or with a delay each time the infant made contact initiatives and then presented an ambiguous toy and delivered the positive information. The infants in the non-contingent condition tended to look less at the parent during toy presentation and also tended to play less with the toy during the concluding free-play situation. The findings show that adults' contingency in responding influences infants' behavior in ambiguous situations.
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Does contingency in adults' responding influence 12-month-old infants' social referencing? Infant Behav Dev 2017; 49:9-20. [PMID: 28686883 DOI: 10.1016/j.infbeh.2017.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2015] [Revised: 04/26/2016] [Indexed: 10/19/2022]
Abstract
In two experiments we examined the influence of contingent versus non-contingent responding on infant social referencing behavior. EXPERIMENT 1: Forty 12-month-old infants were exposed to an ambiguous toy in a social referencing situation. In one condition an unfamiliar adult who in a previous play situation had responded contingently to the infant's looks gave the infant positive information about the toy. In the other condition an unfamiliar adult who previously had not responded contingently delivered the positive information. EXPERIMENT 2: Forty-eight 12-month-old infants participated in Experiment 2. In this experiment it was examined whether the familiarity of the adult influences infants' reactions to contingency in responding. In one condition a parent who previously had responded contingently to the infant's looks provided positive information about the ambiguous toy, and in the other condition a parent who previously had not responded contingently provided the positive information. The infants looked more at the contingent experimenter in Experimenter 1, and also played more with the toy after receiving positive information from the contingent experimenter. No differences in looking at the parent and in playing with the toy were found in Experiment 2. The results indicate that contingency in responding, as well as the familiarity of the adult, influence infants' social referencing behavior.
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Does contingency in adults' responding influence 12-month-old infants' social referencing? Infant Behav Dev 2016; 46:67-79. [PMID: 27940087 DOI: 10.1016/j.infbeh.2016.11.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Accepted: 11/30/2016] [Indexed: 10/20/2022]
Abstract
In two experiments we examined the influence of contingent versus non-contingent responding on infant social referencing behavior. EXPERIMENT 1: Forty 12-month-old infants were exposed to an ambiguous toy in a social referencing situation. In one condition an unfamiliar adult who in a previous play situation had responded contingently to the infant's looks gave the infant positive information about the toy. In the other condition an unfamiliar adult who previously had not responded contingently delivered the positive information. EXPERIMENT 2: Forty-eight 12-month-old infants participated in Experiment 2. In this experiment it was examined whether the familiarity of the adult influences infants' reactions to contingency in responding. In one condition a parent who previously had responded contingently to the infant's looks provided positive information about the ambiguous toy, and in the other condition a parent who previously had not responded contingently provided the positive information. The infants looked more at the contingent experimenter in Experimenter 1, and also played more with the toy after receiving positive information from the contingent experimenter. No differences in looking at the parent and in playing with the toy were found in Experiment 2. The results indicate that contingency in responding, as well as the familiarity of the adult, influence infants' social referencing behavior.
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Social Referencing Gaze Behavior During a Videogame Task: Eye Tracking Evidence from Children With and Without ASD. J Autism Dev Disord 2016; 47:415-423. [PMID: 27866351 DOI: 10.1007/s10803-016-2968-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The purpose of this study was to understand the social referencing behaviors of children with and without autism spectrum disorder (ASD) while visually attending to a videogame stimulus depicting both the face of the videogame player and the videogame play action. Videogames appear to offer a uniquely well-suited environment for the emergence of friendships, but it is not known if children with and without ASD attend to and play videogames similarly. Eyetracking technology was used to investigate visual attention of participants matched based on chronological age. Parametric and nonparametric statistical analyses were used and results indicated the groups did not differ on percentage of time spent visually attending to any of the areas of interest, with one possible exception.
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Abstract
During social referencing, infants as young as 6 months of age look to others when confronted with unfamiliar or unexpected events in the environment and then respond to these events based on affective cues of the parent or caregiver (e.g., smiling and frowning). Social referencing is important for early communication and language development. Unfortunately, social referencing repertoires are limited or completely lacking in children with autism. Despite these documented social deficits, little research has focused on ameliorating social referencing deficits. The purpose of this paper is to present a behavior-analytic conceptualization of social referencing and the implications for ameliorating social referencing deficits of children with autism.
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Does affective information influence domestic dogs' (Canis lupus familiaris) point-following behavior? Anim Cogn 2015; 19:317-27. [PMID: 26515451 DOI: 10.1007/s10071-015-0934-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Revised: 10/13/2015] [Accepted: 10/22/2015] [Indexed: 10/22/2022]
Abstract
Several studies have examined dogs' (Canis lupus familiaris) comprehension and use of human communicative cues. Relatively few studies have, however, examined the effects of human affective behavior (i.e., facial and vocal expressions) on dogs' exploratory and point-following behavior. In two experiments, we examined dogs' frequency of following an adult's pointing gesture in locating a hidden reward or treat when it occurred silently, or when it was paired with a positive or negative facial and vocal affective expression. Like prior studies, the current results demonstrate that dogs reliably follow human pointing cues. Unlike prior studies, the current results also demonstrate that the addition of a positive affective facial and vocal expression, when paired with a pointing gesture, did not reliably increase dogs' frequency of locating a hidden piece of food compared to pointing alone. In addition, and within the negative facial and vocal affect conditions of Experiment 1 and 2, dogs were delayed in their exploration, or approach, toward a baited or sham-baited bowl. However, in Experiment 2, dogs continued to follow an adult's pointing gesture, even when paired with a negative expression, as long as the attention-directing gesture referenced a baited bowl. Together these results suggest that the addition of affective information does not significantly increase or decrease dogs' point-following behavior. Rather these results demonstrate that the presence or absence of affective expressions influences a dogs' exploratory behavior and the presence or absence of reward affects whether they will follow an unfamiliar adult's attention-directing gesture.
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Laughing matters: Infant humor in the context of parental affect. J Exp Child Psychol 2015; 136:30-41. [PMID: 25897958 DOI: 10.1016/j.jecp.2015.03.012] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Revised: 01/18/2015] [Accepted: 03/16/2015] [Indexed: 10/23/2022]
Abstract
Smiling and laughing appear very early during the first year of life, but little is known about how infants come to appraise a stimulus as humorous. This short-term longitudinal study explored infant humor perception from 5 to 7 months of age as a function of parental affect during an absurd event. Using a within-participants design, parents alternated smiling/laughing with emotional neutrality while acting absurdly toward their infants. Group comparisons showed that infants (N = 37) at all ages smiled at the event regardless of parental affect but did so significantly longer at 5 and 6 months, and more often and sooner at 7 months, when parents provided humor cues. Similarly, sequential analyses revealed that after gazing at the event, 7-month-olds were more likely to smile at it only when parents provided humor cues and were comparatively more likely to look away when parents were neutral. Thus, starting at 5 months of age, parental affect influenced infants' affect toward an absurd event, an effect that was magnified at 7 months. These results are discussed in the context of emotional contagion, regulation, and the emergence of social referencing.
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Social looking, social referencing and humor perception in 6- and-12-month-old infants. Infant Behav Dev 2014; 37:536-45. [PMID: 25061893 PMCID: PMC4262602 DOI: 10.1016/j.infbeh.2014.06.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2013] [Revised: 04/17/2014] [Accepted: 06/02/2014] [Indexed: 11/25/2022]
Abstract
Social referencing refers to infants' use of caregivers as emotional referents in ambiguous situations (Walden, 1993). Studies of social referencing typically require ambulation, thereby over-looking younger, non-ambulatory infants (i.e., ≤8-months) and resulting in a widespread assumption that young infants do not employ this strategy. Using a novel approach that does not require mobility, we found that when parents provided unsolicited affective cues during an ambiguous-absurd (i.e., humorous) event, 6-month-olds employ one component of social referencing, social looking Additionally, 6-month-olds who did not laugh at the event were significantly more likely to look toward parents than their counterparts who found the event funny. Sequential analyses revealed that, following a reference to a smiling parent, 6-month olds were more likely to smile at the parent, but by 12 months were more likely to smile at the event suggesting that older infants are influenced by parental affect in humorous situations. The developmental implications of these findings are discussed, as well as the usefulness of studying humor for understanding important developmental phenomena.
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Abstract
Children learn about the world from the testimony of other people, often coming to accept what they are told about a variety of unobservable and indeed counterintuitive phenomena. However, research on children's learning from testimony has paid limited attention to the foundations of that capacity. We ask whether those foundations can be observed in infancy. We review evidence from two areas of research: infants' sensitivity to the emotional expressions of other people; and their capacity to understand the exchange of information through non-verbal gestures and vocalization. We conclude that a grasp of the bi-directional exchange of information is present early in the second year. We discuss the implications for future research, especially across different cultural settings.
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Is that fear? Domestic dogs' use of social referencing signals from an unfamiliar person. Behav Processes 2014; 110:74-81. [PMID: 25245302 DOI: 10.1016/j.beproc.2014.09.018] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Revised: 08/18/2014] [Accepted: 09/12/2014] [Indexed: 11/25/2022]
Abstract
The aim of this study was to investigate whether dogs could successfully interpret a 'social referencing' cue (either happiness or fear) toward an object after viewing a human emotional expression. Fearful expressions are more likely to be unfamiliar to dogs, and thus they may not understand the meaning of such expressions. When confused, dogs could avoid contact with an object as in Merola et al. (2012, 2011). The present study compared an experimenter's fearful or happy response when an ambiguous object appeared with a control condition (experimenter was confusing). We examined 114 dogs in one of three conditions; happiness, fearful and the control. We found that dogs were more attentive to the experimenter when she displayed the fearful and control expressions compared to when happy, with no difference between the control and fear conditions. When left alone with the toy, they showed a similar pattern--more interest in the toy in both the fearful and control conditions. Our findings suggest that dogs may not understand the cues in the fearful and control conditions and instead respond with a possible attempt to gain more information from the experimenter.
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An examination of referential and affect specificity with five emotions in infancy. Infant Behav Dev 2014; 37:286-97. [PMID: 24813588 DOI: 10.1016/j.infbeh.2014.04.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2013] [Revised: 01/24/2014] [Accepted: 04/08/2014] [Indexed: 11/28/2022]
Abstract
Referential specificity and affect specificity were examined in 12- to 14-month-olds (n=20), and 16- to 18-month-olds (n=20). Infants were presented with a televised social referencing paradigm involving an actress who emoted a simple descriptive message to one of two objects appearing on the video. The actress altered her affective message using a neutral baseline first, followed by 5 discrete emotions (anger, fear, sadness, happiness, surprise). Infants were given 30s to interact with the objects after watching the affective episode. Older infants demonstrated referential and affect specificity, as evidenced by their differential treatment of the target and distracter toy in response to messages of anger, fear, surprise, and happiness. In contrast, the younger infants did not show evidence of either referential or affect specificity, as evidenced by the lack of differentiation in their treatment of the target and distracter toy in response to positive and negative emotional messages across all emotional episodes.
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Parental social anxiety disorder prospectively predicts toddlers' fear/avoidance in a social referencing paradigm. J Child Psychol Psychiatry 2014; 55:77-87. [PMID: 23909453 DOI: 10.1111/jcpp.12121] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/10/2013] [Indexed: 11/30/2022]
Abstract
BACKGROUND Anxiety runs in families. Observational learning of anxious behavior from parents with anxiety disorders plays an important role in the intergenerational transmission of anxiety. We investigated the link between parental anxiety (parental lifetime anxiety disorders and expressed parental anxiety) and toddler fear/avoidance during social referencing (SR) situations. METHOD Toddlers (N = 117) participated with both parents (with lifetime social anxiety disorder, other nonsocial anxiety disorders, lifetime comorbid social and other anxiety disorders, or without anxiety disorders) in a longitudinal study. Behavioral inhibition (BI) was measured at 12 months via observational tasks. At 30 months, children were confronted with a stranger and a remote-control robot in SR situations, separately with each parent. Children's fear and avoidance, and parents' expressions of anxiety, encouragement, and overcontrol were observed. RESULTS Toddlers of parents with lifetime social anxiety disorder (alone and comorbid with other anxiety disorders) showed more fear/avoidance in SR situations than toddlers of parents without anxiety disorders, while the effect of other anxiety disorders alone was not significant. Although expressed parental anxiety at 30 months in SR situations did not significantly predict toddlers' fear/avoidance, higher levels of expressed anxiety at 12 months in SR situations by parents with comorbid social and other anxiety disorders predicted higher levels of fear/avoidance. BI at 12 months predicted toddlers' fear/avoidance only with mothers, but not with fathers. CONCLUSIONS Parental lifetime social anxiety disorders may be a stronger predictor of children's fear/avoidance than parents' expressions of anxiety in SR situations in toddlerhood. End of infancy may be a sensitive time for learning of anxiety from parents with comorbid lifetime social and nonsocial anxiety disorders in SR situations. Fathers are as important as mothers in the transmission of anxiety via SR. Furthermore, children may act relatively free of their early temperament in SR situations with fathers.
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Social referencing in infants of mothers with symptoms of depression. Infant Behav Dev 2013; 36:548-56. [PMID: 23756225 DOI: 10.1016/j.infbeh.2013.05.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2012] [Revised: 03/03/2013] [Accepted: 05/02/2013] [Indexed: 11/29/2022]
Abstract
The present study examined the acquisition of social referencing skills in infants of mothers with symptoms of depression (n = 44). We aimed to determine if a short discrimination training could facilitate infants' social referencing. Mothers were instructed to pose either joyful or fearful facial expressions to cue infants' approach/avoidance responses toward an ambiguous object. Maternal expressions were correlated with pleasant or unpleasant events occurring after the infant's response. The results showed that after the intervention, infants looked at their mothers more frequently and reached or avoided the ambiguous object based on the preceding maternal expression. The results suggest that discrimination training procedures can establish social referencing in infants of mothers with symptoms of depression.
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