Research Topics
| Alex S CohenSummaryAffiliation: Louisiana State University Country: USA Publications
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Detail Information
Publications
Quality of life across the schizotypy spectrum: findings from a large nonclinical adult sampleAlex S Cohen
Department of Psychology, Louisiana State University, Baton Rouge, LA 70808, USA
Compr Psychiatry 50:408-14. 2009..The present study examined the relative contributions of negative, positive, and disorganized schizotypy symptoms to QOL...- Toward a more psychometrically sound brief measure of schizotypal traits: introducing the SPQ-Brief RevisedAlex S Cohen
Louisiana State University, 236 Audubon Hall, Baton Rouge, LA 70808, USA
J Pers Disord 24:516-37. 2010..The end product of these studies is the SPQ-Brief Revised, which offers a subordinate seven-factor and super-ordinate three or four factor solution, employs a Likert-scale format to improve sensitivity, and is brief (34 items)... - Psychiatric symptom versus neurocognitive correlates of diminished expressivity in schizophrenia and mood disordersAlex S Cohen
Louisiana State University, Department of Psychology, USA Electronic address
Schizophr Res 146:249-53. 2013..These results suggest that there is a link between expressivity and neurocognitive dysfunctions for both patients with schizophrenia and mood disorders. Implications and future research directions are discussed... - On the boundaries of blunt affect/alogia across severe mental illness: implications for Research Domain CriteriaAlex S Cohen
Department of Psychology, Louisiana State University, 236 Audubon Hall, Baton Rouge, LA 70803, USA
Schizophr Res 140:41-5. 2012..Computerized acoustic analysis of speech appears to be a promising method for understanding the pathological manifestation of these variables... - On "risk" and reward: investigating state anhedonia in psychometrically defined schizotypy and schizophreniaAlex S Cohen
Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
J Abnorm Psychol 121:407-15. 2012..Our discussion centers on this apparent paradox in the schizophrenia spectrum--that individuals with schizotypy exhibit state anhedonia, whereas patients with schizophrenia do not... - Towards a cognitive resource limitations model of diminished expression in schizotypyAlex S Cohen
Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
J Abnorm Psychol 121:109-18. 2012..These findings suggest that diminished expression occurs as a function of limited cognitive resources in psychometrically defined schizotypy... - Olfaction, "olfiction," and the schizophrenia-spectrum: an updated meta-analysis on identification and acuityAlex S Cohen
Department of Psychology, Louisiana State University, Baton Rouge, LA 708080, United States
Schizophr Res 135:152-7. 2012..38) studies but were similar in magnitude. The present findings argue against the notion that deficits in olfaction identification are a vulnerability marker of schizophrenia. Suggestions for future research are recommended... - A framework for understanding experiential deficits in schizophreniaAlex S Cohen
Louisiana State University, Department of Psychology, 236 Audubon Hall, Baton Rouge, Louisiana 70803, USA
Psychiatry Res 178:10-6. 2010.... - Attribution biases in schizophrenia: relationship to clinical and functional impairmentsAlex S Cohen
Department of Psychology, Louisiana State University, Baton Rouge, LA 708080, USA
Psychopathology 42:40-6. 2009..The present study examined the degree to which attribution biases in facial emotion perception are associated with psychiatric symptomatology and social and occupational impairments... - A laboratory-based procedure for measuring emotional expression from natural speechAlex S Cohen
Department of Psychology, Louisiana State University, 236 Audubon Hall, Baton Rouge, LA 70803, USA
Behav Res Methods 41:204-12. 2009..The implications for understanding the interface between lexical and prosodic expressions are also discussed... - The neurocognitive underpinnings of diminished expressivity in schizotypy: what the voice revealsAlex S Cohen
Department of Psychology, Louisiana State University, Baton Rouge, LA 70808, United States
Schizophr Res 109:38-45. 2009..The discussion focuses on placing the present findings in the larger context of understanding the neuropathology of schizophrenia-spectrum disorders... - Decoupling implicit measures of pleasant and unpleasant social attitudesAlex S Cohen
Louisiana State University, Department of Psychology, Baton Rouge, 70803, United States
J Behav Ther Exp Psychiatry 41:24-30. 2010..Collectively, the present data support the uncoupling of pleasant and unpleasant valences when using implicit measures to understand social attitudes... - The state-trait disjunction of anhedonia in schizophrenia: potential affective, cognitive and social-based mechanismsAlex S Cohen
Department of Psychology, Louisiana State University, Baton Rouge, LA 70808, USA
Clin Psychol Rev 31:440-8. 2011..Additionally, practical recommendations for future studies examining affective dysfunction within the schizophrenia-spectrum are discussed... - The psychiatric symptomatology of deficit schizophrenia: a meta-analysisAlex S Cohen
Department of Psychology, Louisiana State University, Baton Rouge, LA 708080, United States
Schizophr Res 118:122-7. 2010..These results are discussed in terms of the construct validity of the deficit syndrome and the larger heterogeneity of schizophrenia. Additionally, diagnostic issues regarding the deficit syndrome are considered... - Cannabis and psychometrically-defined schizotypy: use, problems and treatment considerationsAlex S Cohen
Department of Psychology, Louisiana State University, 236 Audubon Hall, Baton Rouge, LA 70808, USA
J Psychiatr Res 45:548-54. 2011..However, cannabis use was associated with lower severity of negative traits. Implications of these results are discussed... - Clarifying the linguistic signature: measuring personality from natural speechAlex S Cohen
Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
J Pers Assess 90:559-63. 2008..The personality variables accounted for almost a quarter of the variance in emotional expressivity... 
Emotional experience in patients with schizophrenia revisited: meta-analysis of laboratory studiesAlex S Cohen
Department of Psychology, Louisiana State University, 206 Audubon Hall Baton Rouge, LA 708080, USA
Schizophr Bull 36:143-50. 2010..Patients' ability to experience hedonic emotion is preserved, although they also show relatively strong, simultaneously occurring aversive emotion when processing laboratory stimuli considered by others to be pleasant or neutral...- Computerized measurement of negative symptoms in schizophreniaAlex S Cohen
Department of Psychology, University of Maryland, College Park, MD, USA
J Psychiatr Res 42:827-36. 2008..Both the computer and clinical measures of positive emotion/anhedonia corresponded to functioning impairments. The computerized method of assessing negative symptoms offered a number of advantages over the symptom scale-based approach... - Birth characteristics and schizotypy: evidence of a potential "second hit"Alex S Cohen
Department of Psychology, Louisiana State University, 236 Audubon Hall, Baton Rouge, LA 70808, USA
J Psychiatr Res 45:955-61. 2011..This finding, and the unexpected inverse relationship between birthplace population and negative/schizoid traits, is discussed... - Affective disturbances in psychometrically defined schizotypy across direct, but not indirect assessment modesAlex S Cohen
Department of Psychology, Louisiana State University, Baton Rouge 70808, USA
Schizophr Res 128:136-42. 2011..These data suggest that affective deficits in schizotypy reflect deliberative rather than implicit/automatic processes. Implications of these findings are discussed... - Understanding emotional expression using prosodic analysis of natural speech: refining the methodologyAlex S Cohen
Louisiana State University, Department of Psychology, 236 Audubon Hall, Baton Rouge, LA 70803, USA
J Behav Ther Exp Psychiatry 41:150-7. 2010..Alternatively, speech from the recall of autobiographical memories resulted in meaningful changes in both subjective state and prosodic expression. Implications for the study of psychological disorders are discussed... - Understanding constricted affect in schizotypy through computerized prosodic analysisAlex S Cohen
Department of Psychology, Louisiana StateUniversity, 206 Audubon Hall, Baton Rouge, LA 70803, USA
J Pers Disord 25:478-91. 2011..Prosodic deficits characterize a subset of individuals with schizotypy who show a schizoid-like reduction in social behaviors without a concomitant reduction in social satisfaction... - Emotion word use in the conversational speech of schizophrenia patientsAnnie St-Hilaire
Department of Psychology, Kent State University, Kent, OH 44242, USA
Cogn Neuropsychiatry 13:343-56. 2008..The purpose of this study was to investigate the association between the use of emotion words during a free speech task and subjective experience of emotion in schizophrenia patients and controls... 
Attentional dysfunction, social perception, and social competence: what is the nature of the relationship?Tasha M Nienow
Department of Psychology, Kent State University, OH, USA
J Abnorm Psychol 115:408-17. 2006..Affect recognition was found to moderate the relationship between span of apprehension and social competence...- Facial emotion recognition in schizotypy: the role of accuracy and social cognitive biasLaura A Brown
Department of Psychology, Louisiana State University, Baton Rouge, Louisiana 70803, USA
J Int Neuropsychol Soc 16:474-83. 2010..Although emotion recognition appears unrelated to symptoms, it probably operates by means of different processes in those with particular types of symptoms... - Effects of positive affect on speech disorder in schizophreniaAlex S Cohen
Department of Psychology, University of Maryland, 1129 Biology-Psychology Building, College Park, MD 20742, USA
J Nerv Ment Dis 193:839-42. 2005..Results suggest that arousal of positive affect has an ameliorative effect on speech disorder for certain patients who have relatively severe symptomatology... - Diminished emotionality and social functioning in schizophreniaAlex S Cohen
Department of Psychology, Kent State University, Kent, Ohio, USA
J Nerv Ment Dis 193:796-802. 2005..Moreover, there was a substantial amount of discrepancy between patients' self-reported levels of emotionality and the ratings of their emotionality as made by trained observers. Implications of these results are discussed... - Neuropsychological functioning and social anhedonia: three-year follow-up data from a longitudinal community high risk studyAlex S Cohen
Louisiana State University, Department of Psychology, USA
J Psychiatr Res 46:898-904. 2012..Collectively, these findings suggest that neurocognitive dysfunctions only characterize a subset of individuals with social anhedonia... - Affective reactivity of speech disturbances in schizotypyKyle S Minor
Department of Psychology, Louisiana State University, 206 Audubon Hall, Baton Rouge, LA 70803, USA
J Psychiatr Res 44:99-105. 2010..Moreover, the incongruous relationships between disorganized and interpersonal symptoms with SD underscore the marked heterogeneity in processes across schizotypy... - Stress and arousability in schizophreniaThomas J Dinzeo
Department of Psychology, Kent State University, Kent, OH 44240, USA
Schizophr Res 71:127-35. 2004..These results suggest that temperament characteristics of an individual with schizophrenia may be related to stress responsiveness and symptom presentation... - The role of atypical semantic activation and stress in odd speech: implications for individuals with psychometrically defined schizotypyKyle S Minor
Department of Psychology, Louisiana State University, Baton Rouge, LA, United States
J Psychiatr Res 46:1231-6. 2012..Here, our primary aim was to examine how atypical semantic activation (ASA) and stress are related to odd speech in individuals with psychometrically-defined schizotypy... - A laboratory study of affectivity in schizotypy: subjective and lexical analysisGina M Najolia
Department of Psychology, Louisana State University, Baton Rouge, LA, USA
Psychiatry Res 189:233-8. 2011..These results reveal a specific pattern of "in-the-moment" affective dysfunction unique to pleasant situations that is consistent across both subjective experience and lexical expression... - Symptom-oriented versus syndrome approaches to resolving heterogeneity of neuropsychological functioning in schizophreniaAlex S Cohen
University of Maryland, Department of Psychology, 1129 Biology Psychology Bldg, College Park, MD 20742, USA
J Neuropsychiatry Clin Neurosci 17:384-90. 2005..The individual symptoms of the positive syndrome were associated with relatively distinct patterns of neuropsychological performance, suggesting that the symptom-oriented approach was more sensitive... - Specific cognitive deficits and differential domains of social functioning impairment in schizophreniaAlex S Cohen
University of Maryland, College Park, College Park, MD 20742, USA
Schizophr Res 81:227-38. 2006..These findings highlight the importance of conceptualizing social functioning as a multidimensional construct for schizophrenia research... - Neuropsychological functioning and social anhedonia: results from a community high-risk studyAlex S Cohen
University of Maryland, College Park, MD 20742, USA
Schizophr Res 85:132-41. 2006..Longitudinal assessment of these participants as they move through the risk period should provide important insights into the neuropsychological correlates of the schizophrenia prodrome... - The relationship between atypical semantic activation and odd speech in schizotypy across emotionally evocative conditionsKyle S Minor
Department of Psychology, Louisiana State University, Baton Rouge, LA 70808, United States
Schizophr Res 126:144-9. 2011..There is reason to suspect that the increase in odd speech observed in schizotypy may reflect atypical semantic activation patterns, defined in terms of increased activation of weakly associated words within the semantic network... - Social anhedonia and schizotypy in a community sample: the Maryland longitudinal study of schizotypyJack J Blanchard
Department of Psychology, University of Maryland at College Park, College Park, MD 20742, USA
Schizophr Bull 37:587-602. 2011..These cross-sectional findings from a community sample provide further support for social anhedonia as a possible indicator of schizotypy... - Neuropsychology of the deficit syndrome: new data and meta-analysis of findings to dateAlex S Cohen
Department of Psychology, University of Maryland, College Park, USA
Schizophr Bull 33:1201-12. 2007..The question of whether deficit patients exhibit a unique cognitive impairment profile will require a more sophisticated and rigorous examination of the neuropsychology of the deficit syndrome... - Self-reported stress and the deficit syndrome of schizophreniaAlex S Cohen
Department of Psychology, Kent State University, 118 Kent Hall, Kent, OH 44242, USA
Psychiatry 66:308-16. 2003..Given that stress has been an essential component in conceptualizations of schizophrenia onset and relapse, the possibility of stress-resistant properties associated with the deficit syndrome should be tested in future research... - Affective reactivity of speech and emotional experience in patients with schizophreniaAlex S Cohen
Department of Psychology, Kent State University, PO Box 119, Kent, OH 44240, USA
Schizophr Res 69:7-14. 2004..These results suggest that emotion-related variables mediate the relationship between stress and language symptom exacerbations in at least some patients with schizophrenia... - Deficit versus negative syndrome in schizophrenia: prediction of attentional impairmentAlex S Cohen
University of Maryland, Department of Psychology, 1129 Biology Psychology Building, College Park, MD 20742, USA
Schizophr Bull 30:827-35. 2004.... - Stability of formal thought disorder and referential communication disturbances in schizophreniaNancy M Docherty
Department of Psychology, Kent State University, Ohio 44242, USA
J Abnorm Psychol 112:469-75. 2003..These results support the idea that some types of referential disturbances are traitlike and may be reflective of vulnerability as well as manifest illness... - Looking at the other side of the coin: a meta-analysis of self-reported emotional arousal in people with schizophreniaKatiah Llerena
University of Maryland, College Park, Department of Psychology, USA
Schizophr Res 142:65-70. 2012.... - Prevalence and incidence of severe mental illness in the United States: an historical overviewAlan A Baumeister
Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
Harv Rev Psychiatry 20:247-58. 2012..It is a balanced presentation of the arguments for and against a rise in mental illness. Original data from U.S. censuses and national reporting of mental hospital statistics are incorporated... - Bracing for the worst, but behaving the best: social anxiety, hostility, and behavioral aggressionC Nathan DeWall
Department of Psychology, University of Kentucky, Kastle Hall, Lexington, KY 40506 0044, United States
J Anxiety Disord 24:260-8. 2010..Taken together, these four studies paint a picture of socially anxious people as bracing for the worst by feeling and perceiving hostility in the social environment, but behaving the best by refraining from aggression and violence... - Mental health problems and interest in marijuana treatment among marijuana-using college studentsJulia D Buckner
Louisiana State University, Department of Psychology, Louisiana State University, Baton Rouge, LA 70808, USA
Addict Behav 35:826-33. 2010..Further, little is known about factors related to interest in marijuana treatment among students experiencing marijuana-related problems... - The structure of negative symptoms within schizophrenia: implications for assessmentJack J Blanchard
Department of Psychology, University of Maryland, College Park, USA
Schizophr Bull 32:238-45. 2006..Importantly, caution is noted in the interpretability of findings based on existing instruments, and implications for future assessment are discussed... - Cigarette smoking across the schizotypy spectrumDiana W Stewart
Louisiana State University, Department of Psychology, 236 Audubon Hall, Baton Rouge, LA 70803, USA
Psychiatry Res 179:113-5. 2010..These findings offer insight into mechanisms underlying smoking in schizotypal individuals and suggest areas for further research... - Schizotypal, schizoid and paranoid characteristics in the biological parents of social anhedonicsAlex S Cohen
Department of Psychology, Louisiana State University, USA
Psychiatry Res 178:79-83. 2010..The unexpected findings of elevated pathology in fathers, but not mothers of socially anhedonic probands, require further exploration... - Cannabis use and schizotypy: the role of social anxiety and other negative affective statesGina M Najolia
Department of Psychology Louisiana State University, 236 Audubon Hall, Baton Rouge, LA 70808, United States
Psychiatry Res 200:660-8. 2012..Results suggest therapeutically targeting negative affective states may be useful in psychosocial intervention for cannabis-related problems in schizotypy... - The comorbidity of psychotic symptoms and posttraumatic stress disorder: evidence for a specifier in DSM-5Julia Vigna Bosson
Louisiana State University, Baton Rouge, LA 70803, USA
Clin Schizophr Relat Psychoses 5:147-54. 2011..Clinical implications in light of these case studies are offered, including the suggestion that the next edition of the Diagnostic and Statistical Manual of Mental Disorders includes a specifier of PTSD with psychotic features... - Neurocognition in psychometrically defined college Schizotypy samples: we are not measuring the "right stuff"Charlotte A Chun
Department of Psychology, Louisiana State University, Baton Rouge, Louisiana 70803, USA
J Int Neuropsychol Soc 19:324-37. 2013..Our data suggest that traditionally defined neurocognitive deficits do not approximate the magnitude of subjective complaints associated with psychometrically defined schizotypy... - A three-dimensional typology of delusionsAlex S Cohen
Schizophr Res 83:293-5. 2006