The recovery processes of two English-Japanese bilingual aphasics

The recovery processes of two English-Japanese bilingual aphasics, one with Broca's aphasia and the other with Wernicke's aphasia, were investigated with special emphasis on the effect of language therapy. The degree of impairment initially manifested in English and Japanese was almost equivalent in each case, the pattern of impairment corresponding to the respective types of aphasia. In both cases, systematic, controlled language therapy was conducted. Analysis of the recovery courses revealed that language therapy was one decisive variable in the relative degree of recovery of a bilingual aphasic's two languages. The type of aphasia appeared to exert a crucial influence on the relative recovery rate of different modalities.     

Misattribution theory of tendentious humor

Male and female subjects were treated rudely or in a normal manner by a female experimenter in order to establish (a) a negative or (b) a neutral affective disposition toward her. Subjects then witnessed her in one of three conditions: (a) She experienced a misfortune that was associated with innocuous humor cues; (b) she experienced the same misfortune, but the humor cues were not present; (c) the same humor cues were present, but no misfortune was experienced. Subjects' facial expressions of mirth were unobtrusively recorded and later coded by naive judges. No appreciable sex differences in mirth were found. Negative dispositions led to greater mirth reactions to the misfortune than neutral dispositions whether or not humor cues were associated with than misfortune. The dispositional variation was of no consequence in the reactions to humor cues as such, however. Under conditions of neutral disposition, mirth in response to the misfortune plus the humor cues was the sum of the mirth reactions to the component parts in isolation. Under conditions of negative disposition, mirth in response to the combination of misfortune and humor cues exceeded the sum of the responses to the components. A misattribution theory of tendentious humor was developed from Freudian thinking, and the findings were considered to be consistent with it although not definitive. Additionally, the findings were considered to give further support to the disposition theory of mirth.     

Abnormal articulatory dynamics in a patient with apraxia of speech: X-ray microbeam observation

The temporal organization of articulatory movements in a patient diagnosed as having apraxia of speech was explored by means of pellet tracking techniques using an X-ray microbeam system. The results indicated that the temporal organization among different articulators of the patient was sometimes disturbed in his production of a meaningful Japanese word /deenee/. It was also observed that the pattern and velocity of the articulatory movements of the patient in repetitions of monosyllables were different from those of typical dysarthric patients.     

A comparative analysis of animals' understanding of the human pointing gesture

We review studies demonstrating the ability of some animals to understand the human pointing gesture. We present a 3-step analysis of the topic. (1) We compare and evaluate current experimental methods (2) We compare available experimental results on performance of different species and investigate the interaction of species differences and other independent variables (3) We evaluate how our present understanding of pointing comprehension answers questions about function, evolution and mechanisms. Recently, a number of different hypotheses have been put forward to account for the presence of this ability in some species and for the lack of such comprehension in others. In our view, there is no convincing evidence for the assumption that the competitive lifestyles of apes would inhibit the utilization of this human gesture. Similarly, domestication as a special evolutionary factor in the case of some species falls short in explaining high levels of pointing comprehension in some non-domestic species. We also disagree with the simplistic view of describing the phenomenon as a simple form of conditioning. We suggest that a more systematic comparative research is needed to understand the emerging communicative representational abilities in animals that provide the background for comprehending the human pointing gesture.     

The impact of memory demands on audience design during language production

Speakers often tailor their utterances to the needs of particular addressees--a process called audience design. We argue that important aspects of audience design can be understood as emergent features of ordinary memory processes. This perspective contrasts with earlier views that presume special processes or representations. To support our account, we present a study in which Directors engaged in a referential communication task with two independent Matchers. Over several rounds, the Directors instructed the Matchers how to arrange a set of picture cards. For half the triads, the Directors' card categories were initially distributed orthogonally by Matcher (e.g. Directors described birds and dogs with one Matcher and fish and frogs with the other). For the other triads, the Directors' card categories initially overlapped across Matchers (e.g. Directors described two members of each category with each Matcher). We predicted that the orthogonal configuration would more readily allow Directors to encode associations between particular cards and particular Matchers--and thus allow those Directors to provide more evidence for audience design. Content analyses of Directors' utterances from two final rounds supported our prediction. We suggest that audience design depends on the memory representations to which speakers have ready access given the time constraints of routine conversation.     

Parafoveal attention in congenitally deaf and hearing young adults

This reaction-time study compared the performance of 20 congenitally and profoundly deaf, and 20 hearing college students on a parafoveal stimulus detection task in which centrally presented prior cues varied in their informativeness about stimulus location. In one condition, subjects detected a parafoveally presented circle with no other information being present in the visual field. In another condition, spatially complex and task-irrelevant foveal information was present which the subjects were instructed to ignore. The results showed that although both deaf and hearing people utilized cues to direct attention to specific locations and had difficulty in ignoring foveal information, deaf people were more proficient in redirecting attention from one spatial location to another in the presence of irrelevant foveal information. These results suggest that differences exist in the development of attentional mechanisms in deaf and hearing people. Both groups showed an overall right visual-field advantage in stimulus detection which was attenuated when the irrelevant foveal information was present. These results suggest a left-hemisphere superiority for detection of parafoveally presented stimuli independent of cue informativeness for both groups.     

Relational Turbulence Theory: Explaining Variation in Subjective Experiences and Communication Within Romantic Relationships

This essay extends the relational turbulence model as a framework for understanding communication in romantic relationships. Following the relational turbulence model, relational turbulence theory identifies relational uncertainty and interdependence as parameters that shape subjective experiences, but the theory clarifies the theoretical processes underlying their distinctive effects. In addition, relational turbulence theory articulates causal processes linking cognitive appraisals and emotions to communication. Relational turbulence theory also describes how episodes characterized by biased appraisals, intense emotions, and volatile communication coalesce into global evaluations of relationships as turbulent. In turn, the theory addresses the effect of relational turbulence on personal, relational, and social outcomes. Finally, the theory explains how communication can contribute to the development of both turbulence and resilience in romantic relationships.     

Explaining the Durable Effects of Verbal Person‐Centered Supportive Communication: Indirect Effects or Invisible Support?

Researchers have documented benefits from receiving supportive messages high in verbal person‐centeredness (VPC), but the processes through which such messages produce longitudinal effects remain unclear. This study evaluated two perspectives (i.e., indirect effects and invisible support) that address how supportive messages can produce durable effects and tested sex differences in those effects. 255 dyads completed a laboratory‐based interaction in which level of VPC and sex of the support provider were manipulated. 3 weeks later, support receivers evaluated the conversations and their stressor. Variations in VPC produced durable effects both when messages were positively evaluated initially and when they were evaluated as supportive by providers or third‐party observers but judged low in supportiveness by receivers. Provider sex moderated the results.     

Recipient Design in Communicative Pointing

A long‐standing debate in the study of human communication centers on the degree to which communicators tune their communicative signals (e.g., speech, gestures) for specific addressees, as opposed to taking a neutral or egocentric perspective. This tuning, called recipient design, is known to occur under special conditions (e.g., when errors in communication need to be corrected), but several researchers have argued that it is not an intrinsic feature of human communication, because that would be computationally too demanding. In this study, we contribute to this debate by studying a simple communicative behavior, communicative pointing, under conditions of successful (error‐free) communication. Using an information‐theoretic measure, called legibility, we present evidence of recipient design in communicative pointing. The legibility effect is present early in the movement, suggesting that it is an intrinsic part of the communicative plan. Moreover, it is reliable only from the viewpoint of the addressee, suggesting that the motor plan is tuned to the addressee. These findings suggest that recipient design is an intrinsic feature of human communication.     

Building human-like communicative intelligence: A grounded perspective

Modern Artificial Intelligence (AI) systems excel at diverse tasks, from image classification to strategy games, even outperforming humans in many of these domains. After making astounding progress in language learning in the recent decade, AI systems, however, seem to approach the ceiling that does not reflect important aspects of human communicative capacities. Unlike human learners, communicative AI systems often fail to systematically generalize to new data, suffer from sample inefficiency, fail to capture common-sense semantic knowledge, and do not translate to real-world communicative situations. Cognitive Science offers several insights on how AI could move forward from this point. This paper aims to: (1) suggest that the dominant cognitively-inspired AI directions, based on nativist and symbolic paradigms, lack necessary substantiation and concreteness to guide progress in modern AI, and (2) articulate an alternative, “grounded”, perspective on AI advancement, inspired by Embodied, Embedded, Extended, and Enactive Cognition (4E) research. I review results on 4E research lines in Cognitive Science to distinguish the main aspects of naturalistic learning conditions that play causal roles for human language development. I then use this analysis to propose a list of concrete, implementable components for building “grounded” linguistic intelligence. These components include embodying machines in a perception–action cycle, equipping agents with active exploration mechanisms so they can build their own curriculum, allowing agents to gradually develop motor abilities to promote piecemeal language development, and endowing the agents with adaptive feedback from their physical and social environment. I hope that these ideas can direct AI research towards building machines that develop human-like language abilities through their experiences with the world.