Informed Consent in Implantable BCI Research: Identifying Risks and Exploring Meaning

Implantable brain–computer interface (BCI) technology is an expanding area of engineering research now moving into clinical application. Ensuring meaningful informed consent in implantable BCI research is an ethical imperative. The emerging and rapidly evolving nature of implantable BCI research makes identification of risks, a critical component of informed consent, a challenge. In this paper, 6 core risk domains relevant to implantable BCI research are identified—short and long term safety, cognitive and communicative impairment, inappropriate expectations, involuntariness, affective impairment, and privacy and security. Work in deep brain stimulation provides a useful starting point for understanding this core set of risks in implantable BCI. Three further risk domains—risks pertaining to identity, agency, and stigma—are identified. These risks are not typically part of formalized consent processes. It is important as informed consent practices are further developed for implantable BCI research that attention be paid not just to disclosing core research risks but exploring the meaning of BCI research with potential participants.     

Split-brain reveals separate but equal self-recognition in the two cerebral hemispheres

To assess the ability of the disconnected cerebral hemispheres to recognize images of the self, a split-brain patient (an individual who underwent complete cerebral commissurotomy to relieve intractable epilepsy) was tested using morphed self-face images presented to one visual hemifield (projecting to one hemisphere) at a time while making "self/other" judgments. The performance of the right and left hemispheres of this patient as assessed by a signal detection method was not significantly different, though a measure of bias did reveal hemispheric differences. The right and left hemispheres of this patient independently and equally possessed the ability to self-recognize, but only the right hemisphere could successfully recognize familiar others. This supports a modular concept of self-recognition and other-recognition, separately present in each cerebral hemisphere.     

Effects of guided imagery with relaxation training on anxiety and quality of life among patients with inflammatory bowel disease

Background: Inflammatory Bowel Disease (IBD) impacts quality of life (QoL). Psychological factors influence the course of the disease and should be targeted for intervention.

Methods: Our study was a prospective, randomised control trial. Fifty-six outpatients were randomly chosen and allocated to a treatment group or a waiting-list control group. Treatment group patients attended three relaxation-training sessions and received an audio disc for home practice. Evaluations performed pre and post-treatment: state anxiety was assessed with the State-Trait Anxiety Inventory, QoL with the IBD Questionnaire. The Visual Analogue Scale assessed pain, depression, stress and mood. Patients completed a symptom monitoring diary. The control group's symptoms were monitored without study-related treatment.

Results: Thirty-nine subjects completed the study and were included in the data analysis. Following the relaxation-training intervention, the treatment group's (n?=?18) measured results showed a statistically significant improvement as compared to the control group (n?=?21) (time by treatment interaction): anxiety levels decreased (p?<?0.01), QoL and mood improved (p?<?0.05), while levels of pain and stress decreased (p?<?0.01).

Conclusions: Findings indicate IBD patients may benefit from relaxation training in their holistic care. New studies as well as further investigation of the subject are warranted.     

Segregation of study items in memory determines the magnitude and direction of directed forgetting

When words at study are divided into to‐be‐remembered and to‐be‐forgotten ones, people recall more of the former than of the latter in a surprise memory test for all words. In this study, we also tapped memory for word identity at study (forget or remember) by asking participants to reproduce in memory selected portions of the original words. We found word identity to be parasitic on word reproduction. As a result, there is a noted tendency to recall forget‐words from study as remember‐words in the memory test more than vice versa.     

Emotion regulation in violent conflict: reappraisal, hope, and support for humanitarian aid to the opponent in wartime

It is well known that negative intergroup emotions such as anger, fear, and hatred play a major role in initiating and maintaining intergroup conflicts. It is far less clear, however, what factors promote the resolution of intergroup conflicts. Using an emotion regulation- framework, we hypothesised that one form of emotion regulation-namely cognitive reappraisal-should play a salutary role in such conflicts, and be associated with increased hope as well as greater support for humanitarian aid to out-group members. To test these hypotheses, we used a nationwide survey of Jewish-Israeli adults, conducted during the war in Gaza between Israelis and Palestinians. Results obtained via structural equation modelling revealed that Israelis who regulated their negative emotions during the war through reappraisal were more supportive in providing humanitarian aid to innocent Palestinian citizens and that this relation was partially mediated by an enhanced feeling of hope.     

Effects of Humor on Intergroup Communication in Intractable Conflicts: Using Humor in an Intergroup Appeal Facilitates Stronger Agreement Between Groups and a Greater Willingness to Compromise

Overcoming sociopsychological barriers within intergroup communications may bring forth new, practical methods for conflict resolution, particularly crucial for groups engulfed by intractable conflict. This article examines the use of humor—an extremely effective technique of persuasive communication—as one potential route whose potency in resolving intractable conflicts has thus far been neglected. In Study 1, Palestinians who read a message from an “Israeli representative” (conveying the Israeli narrative of the conflict) agreed more with the Israeli perspective once three short humorous asides were added to the original statement. When these humorous asides targeted Jewish‐Israelis, Palestinian‐Israeli participants were more willing to compromise on various aspects of the conflict. In Study 2, Jewish‐Israelis who read a message from a “Palestinian representative” were more agreeable to the Palestinian message (portraying the Palestinian narrative) once three short humorous asides were added to the original statement. When these humorous asides were general in nature (but not when they targeted Palestinian‐Israelis), Jewish‐Israeli participants were more willing to compromise on various aspects of this intractable conflict. These findings further demonstrate the power of psychological barriers in intractable conflicts and the potential of humor to overcome them. Implications and limitations of the current research are discussed.     

Do Women in the Newsroom Make a Difference? Coverage Sentiment toward Women and Men as a Function of Newsroom Composition

Sex Roles - Positive or negative media coverage may have important consequences for individuals’ lives and ability to succeed. One potential factor that may affect the tone of coverage, in...     

Measuring attention in the hemispheres: the lateralized attention network test (LANT)

The attention network test (ANT) is a brief computerized battery measuring three independent behavioral components of attention: Conflict resolution (ability to overcome distracting stimuli), spatial Orienting (the benefit of valid spatial pre-cues), and Alerting (the benefit of temporal pre-cues). Imaging, clinical, and behavioral evidence demonstrate hemispheric asymmetries in these attentional networks. We constructed a lateralized version of the ANT (LANT), with brief targets flashed in one or the other visual hemifield. We also modified the tests by including invalid spatial cues in order to measure the cost component of Orienting. In a series of experiments, we investigated the efficiency of the attention networks separately in each hemisphere. Participants exhibited significant estimates of all networks measured by the LANT, comparable to the ANT. The three networks were represented in each hemisphere separately and were largely comparable across the two hemispheres. We suggest that the LANT is an informative extension of the original ANT, allowing for measurement of the three attention networks in each hemisphere separately.     

Its own reward: lessons to be drawn from the reversed-reward contingency paradigm

This is a review of the reversed-reward contingency (RRC) paradigm in animals and the cognitive functions on which it is founded. I shall present the RRC basic paradigm and the ensuing modifications it underwent, the animals tested, the results obtained and the analyses offered within the literature. Then I would the claim that RRC is a case of a compound cognitive behavior, one that is the result of interactions between three other cognitive functions: crude numerical assessment and economic choice (uniting value assignment and behavioral inhibition). I will present data concerning these three fields and will demonstrate how they are both affecting and affected by the findings of the RRC scheme. RRC is treated here as a test case for a broader type of analysis, one which, hopefully, will show that in order to fully understand composite and complex behavior we need to meticulously explore its building blocks and their dynamic interplay.

Three layers of collective victimhood: effects of multileveled victimhood on intergroup conflicts in the Israeli–Arab context

Perceived collective victimhood plays a significant role in conflictual intergroup relations. We suggest a conceptualization of three different layers of collective victimhood: historical victimhood, general conflict victimhood, and conflict event victimhood. Three studies explore the interrelationship between the layers and their effects in the context of the Israeli–Palestinian conflict. In Study 1, general conflict victimhood mediates the relationship between historical victimhood and willingness for compromise. In Study 2, conducted in two waves, changes in general conflict victimhood predict support for military actions against the out‐group. The relationship between general conflict victimhood and support for military actions was mediated by conflict event victimhood. In Study 3, three new scales were developed, and their relations with different outcomes examined. Findings were nearly identical to the models tested in Studies 1–2.