Journal Article Archives

Sharpless Published in Sleep Medicine and Interviewed by Newsweek

July 15, 2020

Congratulations to Dr. Brian A. Sharpless, Visiting Associate Professor of Psychology, who recently published an article in the journal Sleep Medicine with several colleagues from the US and the UK. The article, “Exploding Head Syndrome: Clinical Features, Theories about Etiology, and Prevention Strategies in a Large International Sample”, was based on data from over 6,000 participants. It was carried out through the British Broadcasting Corporation’s Science Focus Magazine.

Exploding head syndrome (EHS) is a sleep disorder (i.e., parasomnia) characterized by the perception of loud noises or a sense of explosion in the head during sleep transitions. Though first identified in 1876, it has received relatively little scientific attention and no well-established treatment options are yet available for sufferers.

Results of this study indicated that those with EHS had poorer and shorter sleep than those without EHS. Not surprisingly, episodes of EHS were associated with clinically significant levels of fear, but only 25% of experienced significant distress as a result of episodes whereas only 10% reported significant life interference. The majority of sufferers believed EHS to be a natural, brain-based phenomenon, but 2.3% blamed electronic equipment and 2.8% believed that was due to supernatural causes. Finally, five effective prevention strategies were identified from the first-hand reports of sufferers. Several of these were consistent with existing treatment approaches for insomnia and anxiety and may prove useful for developing a novel treatment for chronic EHS.

On July 15, 2020, Sharpless was interviewed by Newsweek in regards to the study.

Williams Published with Alumna in Psychotherapy

May 31, 2020

Congratulations to Dr. Libby Williams on her recent publication with alumna, Emily Morgan ’18!

Morgan, E., & Nutt Williams, E. (2020). A qualitative study of psychotherapists’ in-session tears. Psychotherapy. Advance online publication. https://doi.org/10.1037/pst0000298

The article, which is based on Emily’s SMP, examines the impact of therapists’ crying during counseling sessions from the point of view of the therapist. Morgan ’18 and Williams are also scheduled to present their work at the annual convention of the American Psychological Association in August.

Publisher abstract: “There is little empirical research on the topic of psychotherapists crying with or in front of clients (Blume-Marcovici, 2017); however, therapists crying in therapy appears to happen more frequently than previously believed (t’ Lam, Vingerhoets, & Bylsma, 2018). Although many clients believe that crying in session improves their relationship with their therapist (Zingaretti, Genova, Gazzillo, & Lingiardi, 2017), it is unclear how therapists’ tears impact the psychotherapy process. For example, as some research has suggested that tearful individuals may be seen as less competent (van de Ven, Meijs, & Vingerhoets, 2017), it is possible that therapist tears are potential detriment to psychotherapy. However, therapists’ tears might also have a positive effect on the therapeutic relationship if they are seen as evidence of therapist genuineness. To more deeply understand therapists’ experiences of crying during a psychotherapy session, 8 practicing psychotherapists of varying theoretical orientations were interviewed using Consensual Qualitative Research (Hill, 2012; Hill et al., 2005; Hill, Thompson, & Williams, 1997). Overall, the therapists had a consistent positive perception of the consequences of their own tears, both on therapy in general as well as on the client–therapist relationship. However, they also acknowledged a lack of training in how to manage their own tears in session, confirming previous results (Blume-Marcovici, Stolberg, & Khademi, 2013) and suggesting that psychotherapists may not be fully prepared to manage tears in counseling. Implications for psychotherapists as well as directions for future research are discussed.” (PsycInfo Database Record (c) 2020 APA, all rights reserved)

Fernandez Published in Neuropharmacology

May 8, 2019

Congratulations to Dr. Gina Fernandez on her recent publication, “General Anesthetic Exposure in Adolescent Rats Causes Persistent Maladaptations in Cognitive and Affective Behaviors and Neuroplasticity” in the journal Neuropharmacology.

In the article, Fernandez and her coauthors examine evidence that indicates that exposure to general anesthetics during infancy and childhood can cause persistent cognitive impairment, alterations in synaptic plasticity, and increased incidence of behavioral disorders.

Publisher link abstract: Accumulating evidence indicates that exposure to general anesthetics during infancy and childhood can cause persistent cognitive impairment, alterations in synaptic plasticity, and, to a lesser extent, increased incidence of behavioral disorders. Unfortunately, the developmental parameters of susceptibility to general anesthetics are not well understood. Adolescence is a critical developmental period wherein multiple late developing brain regions may also be vulnerable to enduring general anesthetic effects. Given the breadth of the adolescent age span, this group potentially represents millions more individuals than those exposed during early childhood. In this study, isoflurane exposure within a well-characterized adolescent period in Sprague-Dawley rats elicited immediate and persistent anxiety- and impulsive-like responding, as well as delayed cognitive impairment into adulthood. These behavioral abnormalities were paralleled by atypical dendritic spine morphology in the prefrontal cortex (PFC) and hippocampus (HPC), suggesting delayed anatomical maturation, and shifts in inhibitory function that suggest hypermaturation of extrasynaptic GABA_A receptor inhibition. Preventing this hypermaturation of extrasynaptic GABA_A receptor-mediated function in the PFC selectively reversed enhanced impulsivity resulting from adolescent isoflurane exposure. Taken together, these data demonstrate that the developmental window for susceptibility to enduring untoward effects of general anesthetics may be much longer than previously appreciated, and those effects may include affective behaviors in addition to cognition.

Foster Published in Memory & Cognition

April 8, 2019

Congratulations to Dr. Nathan Foster on his recent publication, “Why Does Interleaving Improve Math Learning? The Contributions of Discriminative Contrast and Distributed Practice” in the journal Memory & Cognition.

In the article, Foster and his coauthors examine why interleaved practice of materials has been shown to enhance test performance.

Publisher Abstract:

Interleaved practice involves studying exemplars from different categories in a non-systematic, pseudorandom order under the constraint that no two exemplars from the same category are presented consecutively. Interleaved practice of materials has been shown to enhance test performance compared to blocked practice in which exemplars from the same category are studied together. Why does interleaved practice produce this benefit? We evaluated two non-mutually exclusive hypotheses, the discriminative-contrast hypothesis and the distributed-practice hypothesis, by testing participants’ performance on calculating the volume of three-dimensional geometric shapes. In Experiment 1, participants repeatedly practiced calculating the volume of four different-sized shapes according to blocked practice, interleaved practice, or remote-interleaved practice (which involved alternating the practice of volume calculation with non-volume problems, like permutations and fraction addition). Standard interleaving enhanced performance compared to blocked practice but did not produce enhanced performance compared to remote interleaving. In Experiment 2, we replicated this pattern and extended the results to include a remote-blocked group, which involved blocking volume calculation with non-volume problems. Performance on key measures was better for remote-interleaved groups compared to remote-blocked groups, a finding that supports the distributed-practice hypothesis.

Freedman Published in Psychology of Popular Media Culture

March 21, 2019

Congratulations to Dr. Gili Freedman on her recent publication, “Obituaries can Popularize Science and Health: Stephen Hawking and Interest in Cosmology and Amyotrophic Lateral Sclerosis” in Psychology of Popular Media Culture.

Freedman’s research examines the influence of physicist Stephen Hawking’s death on public interest in science topics related to his work. She also examines whether the representation of male versus female physicists quoted in the obituary increased perceptions of gender equity in science.

Williams Published in Psychotherapy

March 18, 2019

Congratulations to Dr. Libby Nutt Williams on her recent publication, “Turning 50: Past Presidents Reflect on What We Have Learned in our First Half Century” in the journal Psychotherapy.

In the article, Williams asks Society for the Advancement of Psychotherapy past presidents to reflect on the role of Division 29 of the American Psychological Association and to consider the future as they reach an important birthday milestone of turning 50.

Foster Published in Learning and Instruction

March 8, 2019

Congratulations to Dr. Nathan Foster on his recent publication, “Self-regulated Learning of Principle-based Concepts: Do Students Prefer Worked Examples, Faded Examples, or Problem Solving?” in the journal Learning and Instruction.

In the article, Foster and his coauthors examined the effectiveness of different methods students used to solve probability problems.

Publisher link abstract: Acquisition of principle-based concepts involves learning how and when to apply a specific principle to different instances of the same problem type. Within this domain, learning is best achieved when practice involves studying worked examples followed by problem solving. When given the choice to use worked examples versus problem solving, how do people regulate their learning? Furthermore, do they use faded examples effectively when given the opportunity during learning? In three experiments, participants learned how to solve probability problems under practice conditions involving either (a) a combined schedule of worked examples, partial examples (Experiments 2 and 3), and problem solving, (b) problem solving only, or (c) self-regulated learning in which participants could choose a worked example, a partial example (Experiments 2 and 3), or problem solving on each trial. Self-regulated learners chose to study worked examples on fewer than 40% of the trials and seldom did so prior to problem solving. However, participants did regulate their learning effectively when they could use partial examples during practice. Participants also demonstrated some sophisticated problem solving, such as by studying worked examples more often after failed versus successful problem-solving attempts.

Sharpless Published in Sleep Medicine and Interviewed by Newsweek

Williams Published with Alumna in Psychotherapy

Fernandez Published in Neuropharmacology

Foster Published in Memory & Cognition

Freedman Published in Psychology of Popular Media Culture

Williams Published in Psychotherapy

Foster Published in Learning and Instruction

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