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Author C Alix Timko

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Cultural shifts in the symptoms of Anorexia Nervosa: The case of Orthorexia Nervosa.

Anushua Bhattacharya, Marita Cooper, Carrie McAdams, Rebecka Peebles, C Alix Timko,

Orthorexia Nervosa (ON) is a term describing a fixation on food purity, involving ritualized eating patterns and a rigid avoidance of "unhealthy foods." Those self-identified as having ON tend to focus on food composition and feel immense guilt after eating food deemed "unhealthy." Although not formally recognized as a psychiatric ... Read more >>

Appetite (Appetite)
[2022, 170:105869]

Cited: 0 times

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How Does Fasting Affect Cognition? An Updated Systematic Review (2013-2020).

Erik M Benau, Amanda Makara, Natalia C Orloff, Eleanor Benner, Lucy Serpell, C Alix Timko,

<h4>Purpose of review</h4>The goal of this review was to provide an update on the literature examining how voluntary, temporary abstention from eating impacts cognitive function.<h4>Recent findings</h4>We evaluated peer-reviewed articles published between August 2013 and January 2021 that assessed adults, included a measure of cognitive functioning with neutral stimuli, and compared ... Read more >>

Curr Nutr Rep (Current nutrition reports)
[2021, 10(4):376-390]

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Identifying Opportunities to Discuss Pre-Exposure Prophylaxis During Contraceptive Coaching Discussions With Urban Adolescent Women.

Naomi F Fields, Sarah Wood, Christina Amutah, C Alix Timko, Danielle Petsis, Aletha Y Akers,

<h4>Purpose</h4>HIV pre-exposure prophylaxis (PrEP) reduces HIV transmission and is approved for adolescents aged 12-17 years. Adolescent girls and young women (AGYW) have modest PrEP uptake rates, while many receive reproductive health counseling. We sought to identify opportunities for incorporating PrEP education in contraceptive counseling delivered to AGYW.<h4>Methods</h4>We performed a secondary ... Read more >>

J Adolesc Health (The Journal of adolescent health : official publication of the Society for Adolescent Medicine)
[2021, 69(5):824-830]

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To meat or not to meat: disordered eating and vegetarian status in university students.

Erin H Sieke, Jennifer L Carlson, James Lock, C Alix Timko, Dianne Neumark-Sztainer, Rebecka Peebles,

<h4>Purpose</h4>This study sought to examine associations between meat-restricted diets and disordered eating cognitions and behaviors in a large sample of university students and assess the relationships between motivations for choosing a vegetarian or semi-vegetarian diet and eating patterns.<h4>Methods</h4>University students (n = 1585; 60%F, 40%M, mean age 20.9) completed an online survey; students ... Read more >>

Eat Weight Disord (Eating and weight disorders : EWD)
[2021, :]

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The shifting perspectives study protocol: Cognitive remediation therapy as an adjunctive treatment to family based treatment for adolescents with anorexia nervosa.

C Alix Timko, Anushua Bhattacharya, Kathleen Kara Fitzpatrick, Holly Howe, Daniel Rodriguez, Connor Mears, Kerri Heckert, Peter A Ubel, Jill Ehrenreich-May, Rebecka Peebles,

<h4>Background</h4>Adolescents with anorexia nervosa have set-shifting inefficiencies that can be exacerbated by starvation and that may interfere with outcomes of treatment interventions. Cognitive Remediation Therapy (CRT), an adjunctive treatment focused on improving set-shifting, can target inefficiencies and may augment treatment effectiveness. The best way to add CRT to the standard ... Read more >>

Contemp Clin Trials (Contemporary clinical trials)
[2021, 103:106313]

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What's Known and What's Next: Contraceptive Counseling and Support for Adolescents and Young Adult Women.

Andrea J Hoopes, C Alix Timko, Aletha Y Akers,

The low rates of actual contraceptive failure and high rates of contraceptive use among young women highlight that choice of contraceptive method and patterns of contraceptive use greatly influence unintended pregnancy risk. Promoting contraceptive use among adolescent and young adult women requires supportive health systems and health providers who understand ... Read more >>

J Pediatr Adolesc Gynecol (Journal of pediatric and adolescent gynecology)
[2021, 34(4):484-490]

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Heart rate variability as a biobehavioral marker of diverse psychopathologies: A review and argument for an "ideal range".

Sydney Heiss, Bronya Vaschillo, Evgeny G Vaschillo, C Alix Timko, Julia M Hormes,

Heart rate variability (HRV), a measure of the variability in intervals between subsequent heart beats, is now widely considered an index of emotion regulatory capacity and the ability to adapt flexibly to changing environmental demands. Abnormalities in HRV are implicated in a host of psychopathologies, making it a potentially powerful ... Read more >>

Neurosci Biobehav Rev (Neuroscience and biobehavioral reviews)
[2021, 121:144-155]

Cited: 1 time

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Confirmatory factor analysis of the EDE-Q in vegans and omnivores: Support for the brief three factor model.

Sydney Heiss, C Alix Timko, Julia M Hormes,

The factor structure of the Eating Disorder Examination-Questionnaire (EDE-Q) has proven difficult to replicate, including in vegans, whose eating behaviors differ from omnivores in important ways. We sought to assess fit of data from vegans and omnivores with the most recently proposed brief three-factor model of the EDE-Q, which retains ... Read more >>

Eat Behav (Eating behaviors)
[2020, 39:101447]

Cited: 1 time

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Conducting a Pilot Randomized Controlled Trial on a Medical Inpatient Unit Utilizing Cognitive Remediation Therapy for Adolescents with Restrictive Eating Disorders: Protocol Updates and Reflections on Feasibility.

C Alix Timko, Kathleen Kara Fitzpatrick, Tiffanie Goulazian, Devin Kirby, Elizabeth Parks, Leela Morrow, Alexander M Scharko, Rebecka Peebles,

We conducted a pilot randomized control trial (RCT) to simultaneously examine the feasibility of effectively implementing Cognitive Remediation Therapy (CRT) for adolescents with anorexia nervosa (AN) during medical hospitalization at a single-site hospital center. Employment of this protocol occurred on a general medical unit with diverse medical admitting diagnoses, not ... Read more >>

J Clin Psychol Med Settings (Journal of clinical psychology in medical settings)
[2020, 27(2):226-234]

Cited: 1 time

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Difficulties in Emotion Regulation, Alexithymia, and Social Phobia Are Associated With Disordered Eating in Male and Female Undergraduate Athletes.

Erik M Benau, Ryan Wiatrowski, C Alix Timko,

Investigations of disordered eating in the athlete population tend to focus on females and the influence of sport level. This leaves unanswered whether, and how, team interdependence (i.e., whether the competition is engaged with one person or as a team) may differentially impact male athletes. In the present study, we ... Read more >>

Front Psychol (Frontiers in psychology)
[2020, 11:1646]

Cited: 2 times

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Eating behavior and reasons for exercise among competitive collegiate male athletes.

Sasha Gorrell, Jason M Nagata, Katherine Bell Hill, Jennifer L Carlson, Alana Frost Shain, Jenny Wilson, C Alix Timko, Kristina K Hardy, James Lock, Rebecka Peebles,

<h4>Purpose</h4>Research concerning eating disorders among adolescent and young adult male athletes is limited compared with female counterparts, but increasing evidence indicates that they may be at unique risk for unhealthy exercise and eating behavior. The current study aimed to characterize unhealthy exercise and eating behavior according to competitive athlete status, ... Read more >>

Eat Weight Disord (Eating and weight disorders : EWD)
[2021, 26(1):75-83]

Cited: 3 times

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Caregiver Report of Executive Functioning in Adolescent Females With Anorexia Nervosa or Autism Spectrum Disorder.

C Alix Timko, John D Herrington, Anushua Bhattacharya, Emily S Kuschner, Benjamin E Yerys,

Current literature suggesting a shared endophenotype between individuals with anorexia nervosa (AN) and autism spectrum disorder (ASD) related to executive functioning (EF) has several limitations: performance-based instead of ecologically valid measures of set-shifting are used, lack of comparisons between same-sex groups, and reliance on adult samples only. This was the ... Read more >>

Front Psychol (Frontiers in psychology)
[2020, 11:586264]

Cited: 0 times

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Feeding and eating disorders.

Anushua Bhattacharya, Levi DeFilipp, C Alix Timko,

Eating disorders (EDs) are a group of prevalent psychiatric illnesses with an onset in early to late adolescence-a time of significant neural development, physical and psychologic growth, and self-exploration. The etiology and neurobiology of EDs are not well understood, but EDs are recognized as brain-based illnesses with serious acute and ... Read more >>

Handb Clin Neurol (Handbook of clinical neurology)
[2020, 175:387-403]

Cited: 0 times

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Sex Differences in Adolescent Anorexia and Bulimia Nervosa: Beyond the Signs and Symptoms.

C Alix Timko, Levi DeFilipp, Antonios Dakanalis,

<h4>Purpose of review</h4>We review research related to sex differences in eating disorders (EDs) in adolescents. Prior work has explored clinical differences; thus, we examine literature in areas identified as playing an etiological or maintenance role in EDs including: genetics, hormones, neurocognitive inefficiencies, and reward circuitry.<h4>Recent findings</h4>Sex steroids appear to a ... Read more >>

Curr Psychiatry Rep (Current psychiatry reports)
[2019, 21(1):1]

Cited: 5 times

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Cognitive remediation therapy (CRT) as a pretreatment intervention for adolescents with anorexia nervosa during medical hospitalization: a pilot randomized controlled trial protocol.

C Alix Timko, Tiffanie J Goulazian, Kathleen Kara Fitzpatrick, Daniel Rodriguez,

<h4>Background</h4>Anorexia nervosa (AN) is a severe psychiatric condition characterized by low body weight, fear of weight gain/becoming fat and/or behavior that interferes with weight gain, and body disturbance. Though there have been recent advances in the treatment of AN, there continues to be an urgent need to increase treatment options. ... Read more >>

Pilot Feasibility Stud (Pilot and feasibility studies)
[2018, 4:87]

Cited: 3 times

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Evaluation of the DSM-5 severity ratings for anorexia nervosa in a clinical sample.

Antonios Dakanalis, C Alix Timko, Fabrizia Colmegna, Giuseppe Riva, Massimo Clerici,

We examined the validity and utility of the DSM-5 severity ratings for anorexia nervosa (AN) in a clinical (treatment-seeking) sample (N = 273; 95.6% women). Participants classified with mild, moderate, severe, and extreme severity of AN based on their measured body mass index, differed significantly from each other in eating disorder ... Read more >>

Psychiatry Res (Psychiatry research)
[2018, 262:124-128]

Cited: 8 times

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Change in expressed emotion and treatment outcome in adolescent anorexia nervosa.

Ashley A Moskovich, C Alix Timko, Lisa K Honeycutt, Nancy L Zucker, Rhonda M Merwin,

Expressed emotion (EE) has been associated with poor outcomes in anorexia nervosa (AN); however, whether changes in EE predict superior treatment outcomes is unknown. The current study examined whether decreases in EE during an open trial of a novel family-based treatment for AN predicted symptoms at end of treatment. Forty-seven ... Read more >>

Eat Disord (Eating disorders)
[2017, 25(1):80-91]

Cited: 6 times

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Outcomes of an inpatient medical nutritional rehabilitation protocol in children and adolescents with eating disorders.

Rebecka Peebles, Andrew Lesser, Courtney Cheek Park, Kerri Heckert, C Alix Timko, Eleni Lantzouni, Ronald Liebman, Laurel Weaver,

<h4>Background</h4>Medical stabilization through inpatient nutritional rehabilitation is often necessary for patients with eating disorders (EDs) but includes the inherent risk of refeeding syndrome. Here we describe our experience of implementing and sustaining an inpatient nutritional rehabilitation protocol designed to strategically prepare patients with EDs and their families for discharge to ... Read more >>

J Eat Disord (Journal of eating disorders)
[2017, 5:7]

Cited: 23 times

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An open trial of Acceptance-based Separated Family Treatment (ASFT) for adolescents with anorexia nervosa.

C Alix Timko, Nancy L Zucker, James D Herbert, Daniel Rodriguez, Rhonda M Merwin,

Family based-treatments have the most empirical support in the treatment of adolescent anorexia nervosa; yet, a significant percentage of adolescents and their families do not respond to manualized family based treatment (FBT). The aim of this open trial was to conduct a preliminary evaluation of an innovative family-based approach to ... Read more >>

Behav Res Ther (Behaviour research and therapy)
[2015, 69:63-74]

Cited: 10 times

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Craving Facebook? Behavioral addiction to online social networking and its association with emotion regulation deficits.

Julia M Hormes, Brianna Kearns, C Alix Timko,

<h4>Aims</h4>To assess disordered online social networking use via modified diagnostic criteria for substance dependence, and to examine its association with difficulties with emotion regulation and substance use.<h4>Design</h4>Cross-sectional survey study targeting undergraduate students. Associations between disordered online social networking use, internet addiction, deficits in emotion regulation and alcohol use problems were ... Read more >>

Addiction (Addiction (Abingdon, England))
[2014, 109(12):2079-2088]

Cited: 64 times

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Chocolate craving and disordered eating. Beyond the gender divide?

Julia M Hormes, Natalia C Orloff, C Alix Timko,

Chocolate craving in women has previously been linked to disordered eating behaviors. A relatively higher prevalence of eating disorder pathology may account for the fact that chocolate craving is significantly more common in women in North America, compared to many other countries. While support for a causal role of disordered ... Read more >>

Appetite (Appetite)
[2014, 83:185-193]

Cited: 13 times

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Why do only a minority of men report severe levels of eating disorder symptomatology, when so many report substantial body dissatisfaction? Examination of exacerbating factors.

Antonios Dakanalis, C Alix Timko, Laura Favagrossa, Giuseppe Riva, M Assunta Zanetti, Massimo Clerici,

In recent years research employing female samples has indicated that although body dissatisfaction may be necessary for the onset of an eating disorder, it is not sufficient. This study examined body surveillance and difficulties in interpersonal domains (attachment anxiety and social anxiety) as potential moderators of the body dissatisfaction-eating disorder ... Read more >>

Eat Disord (Eating disorders)
[2014, 22(4):292-305]

Cited: 11 times

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Attachment insecurities, maladaptive perfectionism, and eating disorder symptoms: a latent mediated and moderated structural equation modeling analysis across diagnostic groups.

Antonios Dakanalis, C Alix Timko, M Assunta Zanetti, Lucio Rinaldi, Antonio Prunas, Giuseppe Carrà, Giuseppe Riva, Massimo Clerici,

Although 96-100% of individuals with eating disorders (EDs) report insecure attachment, the specific mechanisms by which adult insecure attachment dimensions affect ED symptomatology remain to date largely unknown. This study examined maladaptive perfectionism as both a mediator and a moderator of the relationship between insecure attachment (anxiety and avoidance) and ... Read more >>

Psychiatry Res (Psychiatry research)
[2014, 215(1):176-184]

Cited: 24 times

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Testing the original and the extended dual-pathway model of lack of control over eating in adolescent girls. A two-year longitudinal study.

Antonios Dakanalis, C Alix Timko, Giuseppe Carrà, Massimo Clerici, M Assunta Zanetti, Giuseppe Riva, Riccardo Caccialanza,

Stice's (1994, 2001) dual pathway model proposed a mediational sequence that links body dissatisfaction to lack of control over eating through dieting and negative affect. Van Strien et al. (2005) extended the negative affect pathway of the original dual pathway model by adding two additional intervening variables: interoceptive deficits and ... Read more >>

Appetite (Appetite)
[2014, 82:180-193]

Cited: 36 times

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The relationship of sex and sexual orientation to self-esteem, body shape satisfaction, and eating disorder symptomatology.

Chetra Yean, Erik M Benau, Antonios Dakanalis, Julia M Hormes, Julie Perone, C Alix Timko,

There is increasing interest in understanding what role, if any, sex and sexual orientation play in body dissatisfaction, its correlates to distress, and its relationship to disordered eating. The goals of the present study were to examine: (a) differences in sex and sexual orientation in internalization of societal pressure to ... Read more >>

Front Psychol (Frontiers in psychology)
[2013, 4:887]

Cited: 36 times

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