Publications by authors named "Lillian A Hammer"

Poor sleep quality has been tied to worse social functioning outcomes, including greater loneliness, fewer social interactions, and lower social integration. Other factors likely play a role in the relationship between sleep quality and social functioning. Specifically, alexithymia and emotion regulation may serve as moderators in these relationships.

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Improving social functioning deficits-a core characteristic of schizophrenia-spectrum disorders-is often listed by patients as a key recovery goal. Evidence suggests that social deficits also extend to people with schizotypy, a group at heightened risk for psychotic and other psychopathological disorders. One challenge of social functioning research in schizotypy is understanding whether social deficits arise from receiving less pleasure from social activities or from participating less in high-pleasure activities.

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Empathy is a multifaceted concept that is vital to effective social functioning; yet, it is impaired in high schizotypy groups. Furthermore, empathy has been found to be a mediator in the relationship between schizotypy and social functioning, highlighting the importance of empathy as a driver in social outcomes. Despite this, the four-factor structure of a widely-used measure of empathy-the Interpersonal Reactivity Index (IRI)-has been found to be psychometrically weak in high schizotypy samples.

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Sexual and gender minority (SGM) groups experience exposure to minority stress, including discrimination, prejudice, microaggressions, and internalized stigma. Despite the sizable portion of the United States' population that identifies as SGM, relatively little research has been done to comprehensively understand the mental health consequences of SGM stress-particularly as they relate to serious mental illnesses (SMIs)-and SGM status is rarely reported in published studies. This article provides an overview of SGM research among people with SMIs as well as other relevant disorders.

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Poor sleep quality has been tied to worse social cognition. Social cognitive deficits have been noted in those with high schizotypy. Yet, no study has assessed whether schizotypy moderates the relationship between sleep quality and social cognition, which may be vital to our understanding of contributors to social functioning.

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Objective: Previous research has established the impact of psychiatric symptoms on social functioning, while there is a paucity of research examining how social functioning relates to personal recovery, an individual's self-assessment of their mental health recovery. This study examined the mediating effect of social engagement, interpersonal communication, and satisfaction with support in the relationship between distinct psychiatric symptom clusters and perceived mental health recovery.

Methods: In a cross-sectional study, both patient self-report and provider assessment data were collected for 250 patients with serious mental illness (SMI) across four mental health service sites.

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Study Objectives: This study aimed to estimate the 12-month prevalence of diagnosed sleep disorders among veterans with and without serious mental illnesses (SMI) in Veterans Affairs health record data in 2019. We also examined diagnosed sleep disorders across a 9-year period and explored associations with demographic and health factors.

Methods: This study used health record data from VISN 4 of the Veterans Health Administration from 2011 to 2019.

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Research shows that participation in political activism on social media is linked to psychological stress. Additionally, race-based stress disproportionately affects minorities and is linked to greater psychological symptoms. Yet, the impact of the social media presence of Black Lives Matter (BLM) on mental health has yet to be meaningfully assessed.

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People with posttraumatic stress disorder (PTSD) experience a wide array of symptoms, often accompanied by significant functional and quality of life impairments. Evidence-based psychotherapies are effective for alleviating symptoms in this group, but functional outcomes following psychotherapy are understudied. This study aimed to synthesize existing work on functional outcomes of psychotherapy to conduct a meta-analytic investigation examining whether people with PTSD experience significant improvements in functioning and quality of life following a course of psychotherapy.

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Empathy is integral for interpersonal interactions and formation and maintenance of a strong social network. There is wide agreement that empathy is a multidimensional construct, and it is commonly measured with the Interpersonal Reactivity Index (IRI). The IRI is used widely across healthy and clinical populations, yet insufficient evidence exists on whether the IRI is appropriate for use in groups characterized by high levels of schizotypy.

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