{"id":531,"date":"2022-11-22T13:59:49","date_gmt":"2022-11-22T18:59:49","guid":{"rendered":"https:\/\/opentextbc.ca\/psychologymtdi\/chapter\/perspectives-on-psychological-disorders\/"},"modified":"2024-09-03T17:14:45","modified_gmt":"2024-09-03T21:14:45","slug":"perspectives-on-psychological-disorders","status":"publish","type":"chapter","link":"https:\/\/opentextbc.ca\/psychologymtdi\/chapter\/perspectives-on-psychological-disorders\/","title":{"raw":"Perspectives on Psychological Disorders","rendered":"Perspectives on Psychological Disorders"},"content":{"raw":"<p style=\"text-align: right;\">[pb_glossary id=\"595\"]Approximate reading time:[\/pb_glossary] 13 minutes<\/p>\r\n<p id=\"fs-idp78616432\">Scientists, mental health professionals, and cultural healers may adopt different perspectives in attempting to understand or explain the underlying mechanisms that contribute to the development of a psychological disorder. The specific perspective used in explaining a psychological disorder is extremely important. Each perspective explains psychological disorders, their causes or etiology, and effective treatments from a different viewpoint. Different perspectives provide alternate ways for how to think about the nature of psychopathology.<\/p>\r\n\r\n<h1>Supernatural Perspectives of Psychological Disorders<\/h1>\r\n<p id=\"fs-idp25268864\">For centuries, psychological disorders were viewed from a\u00a0<span id=\"term973\">supernatural<\/span> perspective: attributed to a force beyond scientific understanding. Those afflicted were thought to be practitioners of black magic or possessed by spirits (Figure PD.7) (Maher &amp; Maher, 1985). For example, convents throughout Europe in the 16th and 17th centuries reported hundreds of nuns falling into a state of frenzy in which the afflicted foamed at the mouth, screamed and convulsed, sexually propositioned priests, and confessed to having carnal relations with devils or Christ. Although today these cases would suggest serious mental illness, at the time, these events were routinely explained as possession by devilish forces (Waller, 2009a). Such beliefs in supernatural causes of mental illness are still held in some societies today; for example, beliefs that supernatural forces cause mental illness are common in some cultures in modern-day Nigeria (Aghukwa, 2012).<\/p>\r\n\r\n\r\n[caption id=\"attachment_530\" align=\"aligncenter\" width=\"195\"]<img class=\"wp-image-528\" src=\"https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2022\/11\/PY7-Stone-of-madness.jpeg\" alt=\"The Extraction of the Stone of Madness is shown. \" width=\"195\" height=\"300\" \/> <strong>Figure PD.7. Supernatural perspectives.<\/strong> In The Extraction of the Stone of Madness, a 15th century painting by Hieronymus Bosch, a practitioner is using a tool to extract an object (the supposed \u201cstone of madness\u201d) from the head of an afflicted person.[\/caption]\r\n\r\n<div class=\"textbox textbox--exercises\"><header class=\"textbox__header\">\r\n<h2 class=\"textbox__title\">Dancing Mania<\/h2>\r\n<\/header>\r\n<div class=\"textbox__content\">\r\n<p id=\"fs-idp26049280\">Between the 11th and 17th centuries, a curious epidemic swept across Western Europe. Groups of people would suddenly begin to dance with wild abandon. This compulsion to dance, referred to as <span id=\"term974\" class=\"no-emphasis\">dancing mania, <\/span>sometimes gripped thousands of people at a time (Figure PD.8). Historical accounts indicate that those afflicted would sometimes dance with bruised and bloody feet for days or weeks, screaming of terrible visions and begging priests and monks to save their souls (Waller, 2009b). What caused dancing mania is not known, but several explanations have been proposed, including spider venom and ergot poisoning (\u201cDancing Mania,\u201d 2011).<\/p>\r\n&nbsp;\r\n\r\n[caption id=\"attachment_529\" align=\"aligncenter\" width=\"350\"]<img class=\"wp-image-529\" src=\"https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/PY8-Dancing-mania.jpeg\" alt=\"A painting shows a group of pilgrims dancing in a way that appears inconsistent and aimless.\" width=\"350\" height=\"177\" \/> <strong>Figure PD.8. Dancing mania. <\/strong>Although the cause of dancing mania, depicted in this painting, was unclear, the behaviour was attributed to supernatural forces. <a href=\"https:\/\/simple.wikipedia.org\/wiki\/Mass_hysteria#\/media\/File:Dance_at_Molenbeek.jpg\">Public Domain Image<\/a>.[\/caption]\r\n<p id=\"fs-idp66706992\">Historian John Waller (2009a, 2009b) has provided a comprehensive and convincing explanation of dancing mania that suggests the phenomenon was attributable to a combination of three factors: (1) psychological distress, (2) social contagion, and (3) belief in supernatural forces. Waller argued that various disasters of the time (such as famine, plagues, and floods) produced high levels of psychological distress that could increase the likelihood of succumbing to an involuntary trance state. Waller indicated that anthropological studies and accounts of possession rituals show that people are more likely to enter a trance state if they expect it to happen, and that entranced individuals behave in a ritualistic manner, their thoughts and behaviour shaped by the spiritual beliefs of their culture. Thus, during periods of extreme physical and mental distress, all it took were a few people who believed themselves to have been afflicted with a dancing curse to slip into a spontaneous trance and then act out the part of one who is cursed by dancing for days on end.<\/p>\r\n\r\n<\/div>\r\n<\/div>\r\n<h1>Biological Perspectives of Psychological Disorders<\/h1>\r\n<p id=\"fs-idm40157488\">The biological perspective views psychological disorders as linked to biological phenomena, such as genetic factors, chemical imbalances, and brain abnormalities; it has gained considerable attention and acceptance in recent decades (Wyatt &amp; Midkiff, 2006). Evidence from many sources indicates that most psychological disorders have a genetic component; in fact, there is little dispute that some disorders are largely due to genetic factors. The graph in Figure PD.9 shows\u00a0<span id=\"term975\" class=\"no-emphasis\">heritability<\/span>\u00a0estimates for schizophrenia.<\/p>\r\n&nbsp;\r\n\r\n[caption id=\"attachment_530\" align=\"aligncenter\" width=\"975\"]<img class=\"wp-image-530 size-full\" src=\"https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/PY9-Schizophrenia-risk.jpeg\" alt=\"A bar graph has an x-axis labeled \u201cPercent risk of developing schizophrenia\u201d and a y-axis labeled \u201crelationship to person with schizophrenia.\u201d A series of relationships are correlated with the percentage risk, shown with brackets indicating the generic relationship. The general population has a 1% risk. First cousins have 2% risk; they share 12.5% of genes. The next relationships are uncles\/aunts, nephews\/nieces, grandchildren, and half-siblings; they share 25% of genes and the risk ranges from about 3\u20136%. The next relationships are parents, siblings, children, and fraternal twins; they share 50% of genes and the risks are about 6, 9, 13, and 17%, respectively. Identical twins share 100% of genes and have about a 48% risk.\" width=\"975\" height=\"470\" \/> <strong>Figure PD.9. Developing schizophrenia.<\/strong> A person\u2019s risk of developing schizophrenia increases if a relative has schizophrenia. The closer the genetic relationship, the higher the risk.[\/caption]\r\n\r\nFindings such as these have led many of today\u2019s researchers to search for specific genes and genetic mutations that contribute to mental disorders. Also, sophisticated neural imaging technology in recent decades has revealed how abnormalities in brain structure and function might be directly involved in many disorders, and advances in our understanding of neurotransmitters and hormones have yielded insights into their possible connections. The biological perspective is currently thriving in the study of psychological disorders.\r\n<h1>The Diathesis-Stress Model of Psychological Disorders<\/h1>\r\n<p id=\"fs-idp8102096\">Despite advances in understanding the biological basis of psychological disorders, the psychosocial perspective is still very important. This perspective emphasises the importance of learning, stress, faulty and self-defeating thinking patterns, and environmental factors. Perhaps the best way to think about psychological disorders, then, is to view them as originating from a combination of biological and psychological processes. Many develop not from a single cause, but from a delicate fusion between partly biological and partly psychosocial factors.<\/p>\r\n&nbsp;\r\n<div class=\"textbox textbox--examples\"><header class=\"textbox__header\">\r\n<h2 class=\"textbox__title\">Study hint: Diathesis and Stress<\/h2>\r\n<\/header>\r\n<div class=\"textbox__content\">\r\n\r\n<strong>Diathesis<\/strong>: This term comes from a Greek word meaning \"disposition\" or \"predisposition.\" It refers to an underlying vulnerability or tendency that a person has, which makes them more susceptible to developing a disorder. This predisposition can be biological (such as a genetic tendency toward depression) or psychological (like a habitual way of thinking negatively about oneself and the world).\r\n\r\n<strong>Stress<\/strong>: This refers to challenging or adverse events in a person's life. These can include experiences like childhood abuse, traumatic events, or significant negative life changes. Stressful events can trigger the onset of a disorder in someone who has a diathesis.\r\n\r\n<\/div>\r\n<\/div>\r\n<p id=\"fs-idp45525136\">The\u00a0<span id=\"term976\">diathesis-stress model<\/span>\u00a0(Zuckerman, 1999) integrates biological and psychosocial factors to predict the likelihood of a disorder. This diathesis-stress model suggests that people with an underlying predisposition for a disorder (i.e., a diathesis) are more likely than others to develop a disorder when faced with adverse environmental or psychological events (i.e., stress), such as childhood maltreatment, negative life events, trauma, and so on. A diathesis is not always a biological vulnerability to an illness; some diatheses may be psychological (e.g., a tendency to think about life events in a pessimistic, self-defeating way).<\/p>\r\n<p id=\"fs-idp155357776\">The key assumption of the diathesis-stress model is that both factors, diathesis and stress, are necessary in the development of a disorder. Different models explore the relationship between the two factors: the level of stress needed to produce the disorder is inversely proportional to the level of diathesis. Read Emma's Case Study for an application of the Diathesis-Stress Model.<\/p>\r\n\r\n<div class=\"textbox sup\"><a href=\"https:\/\/opentextbc.ca\/psychologymtdisupplement\/chapter\/pd-2-case-study-explaining-the-diathesis-stress-model-emmas-story\/\" target=\"_blank\" rel=\"noopener\">Supplement PD.2: Case Study - Explaining the Diathesis-Stress Model: Emma's Story [New Tab]<\/a><\/div>\r\nWatch this video: <a href=\"https:\/\/youtu.be\/XGyW9Y9GbUA\">Tricky Topics: Diathesis Stress (5 minutes)<\/a>\r\n\r\nhttps:\/\/youtu.be\/XGyW9Y9GbUA\r\n\r\n<span data-sheets-root=\"1\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;\u201cTricky Topics: Name of Video\u201d video by FirstYearPsych Dalhousie is licensed under the Standard YouTube licence.&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:513,&quot;3&quot;:{&quot;1&quot;:0},&quot;12&quot;:0}\">\u201cTricky Topics: <a href=\"https:\/\/youtu.be\/XGyW9Y9GbUA\">Diathesis Stress<\/a>\u201d video by FirstYearPsych Dalhousie is licensed under the Standard YouTube licence.<\/span>\r\n\r\nHere is the\u00a0<a href=\"https:\/\/digitaleditions.library.dal.ca\/intropsychneuro\/back-matter\/appendix\/#diathesisstress\">Tricky Topics: Diathesis Stress transcript<\/a>.\r\n<h1>Image Attributions<\/h1>\r\nFigure PD.7. Portion of a <a href=\"https:\/\/en.wikipedia.org\/wiki\/Cutting_the_Stone\">Public Domain Image<\/a>.\r\n\r\nFigure PD.8. <a href=\"https:\/\/simple.wikipedia.org\/wiki\/Mass_hysteria#\/media\/File:Dance_at_Molenbeek.jpg\">Public Domain Image<\/a>.\r\n\r\nFigure PD.9. Figure 15.8 as found in <a href=\"https:\/\/openstax.org\/books\/psychology-2e\/pages\/1-introduction\" target=\"_blank\" rel=\"noopener\">Psychology 2e by OpenStax<\/a>\u00a0is licensed under a\u00a0<a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" target=\"_blank\" rel=\"noopener\">CC BY 4.0 License<\/a>.","rendered":"<p style=\"text-align: right;\"><a class=\"glossary-term\" aria-haspopup=\"dialog\" aria-describedby=\"definition\" href=\"#term_531_595\">Approximate reading time:<\/a> 13 minutes<\/p>\n<p id=\"fs-idp78616432\">Scientists, mental health professionals, and cultural healers may adopt different perspectives in attempting to understand or explain the underlying mechanisms that contribute to the development of a psychological disorder. The specific perspective used in explaining a psychological disorder is extremely important. Each perspective explains psychological disorders, their causes or etiology, and effective treatments from a different viewpoint. Different perspectives provide alternate ways for how to think about the nature of psychopathology.<\/p>\n<h1>Supernatural Perspectives of Psychological Disorders<\/h1>\n<p id=\"fs-idp25268864\">For centuries, psychological disorders were viewed from a\u00a0<span id=\"term973\">supernatural<\/span> perspective: attributed to a force beyond scientific understanding. Those afflicted were thought to be practitioners of black magic or possessed by spirits (Figure PD.7) (Maher &amp; Maher, 1985). For example, convents throughout Europe in the 16th and 17th centuries reported hundreds of nuns falling into a state of frenzy in which the afflicted foamed at the mouth, screamed and convulsed, sexually propositioned priests, and confessed to having carnal relations with devils or Christ. Although today these cases would suggest serious mental illness, at the time, these events were routinely explained as possession by devilish forces (Waller, 2009a). Such beliefs in supernatural causes of mental illness are still held in some societies today; for example, beliefs that supernatural forces cause mental illness are common in some cultures in modern-day Nigeria (Aghukwa, 2012).<\/p>\n<figure id=\"attachment_530\" aria-describedby=\"caption-attachment-530\" style=\"width: 195px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-528\" src=\"https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2022\/11\/PY7-Stone-of-madness.jpeg\" alt=\"The Extraction of the Stone of Madness is shown.\" width=\"195\" height=\"300\" srcset=\"https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2022\/11\/PY7-Stone-of-madness.jpeg 325w, https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2022\/11\/PY7-Stone-of-madness-195x300.jpeg 195w, https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2022\/11\/PY7-Stone-of-madness-65x100.jpeg 65w, https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2022\/11\/PY7-Stone-of-madness-225x346.jpeg 225w\" sizes=\"auto, (max-width: 195px) 100vw, 195px\" \/><figcaption id=\"caption-attachment-530\" class=\"wp-caption-text\"><strong>Figure PD.7. Supernatural perspectives.<\/strong> In The Extraction of the Stone of Madness, a 15th century painting by Hieronymus Bosch, a practitioner is using a tool to extract an object (the supposed \u201cstone of madness\u201d) from the head of an afflicted person.<\/figcaption><\/figure>\n<div class=\"textbox textbox--exercises\">\n<header class=\"textbox__header\">\n<h2 class=\"textbox__title\">Dancing Mania<\/h2>\n<\/header>\n<div class=\"textbox__content\">\n<p id=\"fs-idp26049280\">Between the 11th and 17th centuries, a curious epidemic swept across Western Europe. Groups of people would suddenly begin to dance with wild abandon. This compulsion to dance, referred to as <span id=\"term974\" class=\"no-emphasis\">dancing mania, <\/span>sometimes gripped thousands of people at a time (Figure PD.8). Historical accounts indicate that those afflicted would sometimes dance with bruised and bloody feet for days or weeks, screaming of terrible visions and begging priests and monks to save their souls (Waller, 2009b). What caused dancing mania is not known, but several explanations have been proposed, including spider venom and ergot poisoning (\u201cDancing Mania,\u201d 2011).<\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_529\" aria-describedby=\"caption-attachment-529\" style=\"width: 350px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-529\" src=\"https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/PY8-Dancing-mania.jpeg\" alt=\"A painting shows a group of pilgrims dancing in a way that appears inconsistent and aimless.\" width=\"350\" height=\"177\" srcset=\"https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/PY8-Dancing-mania.jpeg 488w, https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/PY8-Dancing-mania-300x152.jpeg 300w, https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/PY8-Dancing-mania-65x33.jpeg 65w, https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/PY8-Dancing-mania-225x114.jpeg 225w, https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/PY8-Dancing-mania-350x177.jpeg 350w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" \/><figcaption id=\"caption-attachment-529\" class=\"wp-caption-text\"><strong>Figure PD.8. Dancing mania. <\/strong>Although the cause of dancing mania, depicted in this painting, was unclear, the behaviour was attributed to supernatural forces. <a href=\"https:\/\/simple.wikipedia.org\/wiki\/Mass_hysteria#\/media\/File:Dance_at_Molenbeek.jpg\">Public Domain Image<\/a>.<\/figcaption><\/figure>\n<p id=\"fs-idp66706992\">Historian John Waller (2009a, 2009b) has provided a comprehensive and convincing explanation of dancing mania that suggests the phenomenon was attributable to a combination of three factors: (1) psychological distress, (2) social contagion, and (3) belief in supernatural forces. Waller argued that various disasters of the time (such as famine, plagues, and floods) produced high levels of psychological distress that could increase the likelihood of succumbing to an involuntary trance state. Waller indicated that anthropological studies and accounts of possession rituals show that people are more likely to enter a trance state if they expect it to happen, and that entranced individuals behave in a ritualistic manner, their thoughts and behaviour shaped by the spiritual beliefs of their culture. Thus, during periods of extreme physical and mental distress, all it took were a few people who believed themselves to have been afflicted with a dancing curse to slip into a spontaneous trance and then act out the part of one who is cursed by dancing for days on end.<\/p>\n<\/div>\n<\/div>\n<h1>Biological Perspectives of Psychological Disorders<\/h1>\n<p id=\"fs-idm40157488\">The biological perspective views psychological disorders as linked to biological phenomena, such as genetic factors, chemical imbalances, and brain abnormalities; it has gained considerable attention and acceptance in recent decades (Wyatt &amp; Midkiff, 2006). Evidence from many sources indicates that most psychological disorders have a genetic component; in fact, there is little dispute that some disorders are largely due to genetic factors. The graph in Figure PD.9 shows\u00a0<span id=\"term975\" class=\"no-emphasis\">heritability<\/span>\u00a0estimates for schizophrenia.<\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_530\" aria-describedby=\"caption-attachment-530\" style=\"width: 975px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-530 size-full\" src=\"https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/PY9-Schizophrenia-risk.jpeg\" alt=\"A bar graph has an x-axis labeled \u201cPercent risk of developing schizophrenia\u201d and a y-axis labeled \u201crelationship to person with schizophrenia.\u201d A series of relationships are correlated with the percentage risk, shown with brackets indicating the generic relationship. The general population has a 1% risk. First cousins have 2% risk; they share 12.5% of genes. The next relationships are uncles\/aunts, nephews\/nieces, grandchildren, and half-siblings; they share 25% of genes and the risk ranges from about 3\u20136%. The next relationships are parents, siblings, children, and fraternal twins; they share 50% of genes and the risks are about 6, 9, 13, and 17%, respectively. Identical twins share 100% of genes and have about a 48% risk.\" width=\"975\" height=\"470\" srcset=\"https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/PY9-Schizophrenia-risk.jpeg 975w, https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/PY9-Schizophrenia-risk-300x145.jpeg 300w, https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/PY9-Schizophrenia-risk-768x370.jpeg 768w, https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/PY9-Schizophrenia-risk-65x31.jpeg 65w, https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/PY9-Schizophrenia-risk-225x108.jpeg 225w, https:\/\/opentextbc.ca\/psychologymtdi\/wp-content\/uploads\/sites\/470\/2024\/08\/PY9-Schizophrenia-risk-350x169.jpeg 350w\" sizes=\"auto, (max-width: 975px) 100vw, 975px\" \/><figcaption id=\"caption-attachment-530\" class=\"wp-caption-text\"><strong>Figure PD.9. Developing schizophrenia.<\/strong> A person\u2019s risk of developing schizophrenia increases if a relative has schizophrenia. The closer the genetic relationship, the higher the risk.<\/figcaption><\/figure>\n<p>Findings such as these have led many of today\u2019s researchers to search for specific genes and genetic mutations that contribute to mental disorders. Also, sophisticated neural imaging technology in recent decades has revealed how abnormalities in brain structure and function might be directly involved in many disorders, and advances in our understanding of neurotransmitters and hormones have yielded insights into their possible connections. The biological perspective is currently thriving in the study of psychological disorders.<\/p>\n<h1>The Diathesis-Stress Model of Psychological Disorders<\/h1>\n<p id=\"fs-idp8102096\">Despite advances in understanding the biological basis of psychological disorders, the psychosocial perspective is still very important. This perspective emphasises the importance of learning, stress, faulty and self-defeating thinking patterns, and environmental factors. Perhaps the best way to think about psychological disorders, then, is to view them as originating from a combination of biological and psychological processes. Many develop not from a single cause, but from a delicate fusion between partly biological and partly psychosocial factors.<\/p>\n<p>&nbsp;<\/p>\n<div class=\"textbox textbox--examples\">\n<header class=\"textbox__header\">\n<h2 class=\"textbox__title\">Study hint: Diathesis and Stress<\/h2>\n<\/header>\n<div class=\"textbox__content\">\n<p><strong>Diathesis<\/strong>: This term comes from a Greek word meaning &#8220;disposition&#8221; or &#8220;predisposition.&#8221; It refers to an underlying vulnerability or tendency that a person has, which makes them more susceptible to developing a disorder. This predisposition can be biological (such as a genetic tendency toward depression) or psychological (like a habitual way of thinking negatively about oneself and the world).<\/p>\n<p><strong>Stress<\/strong>: This refers to challenging or adverse events in a person&#8217;s life. These can include experiences like childhood abuse, traumatic events, or significant negative life changes. Stressful events can trigger the onset of a disorder in someone who has a diathesis.<\/p>\n<\/div>\n<\/div>\n<p id=\"fs-idp45525136\">The\u00a0<span id=\"term976\">diathesis-stress model<\/span>\u00a0(Zuckerman, 1999) integrates biological and psychosocial factors to predict the likelihood of a disorder. This diathesis-stress model suggests that people with an underlying predisposition for a disorder (i.e., a diathesis) are more likely than others to develop a disorder when faced with adverse environmental or psychological events (i.e., stress), such as childhood maltreatment, negative life events, trauma, and so on. A diathesis is not always a biological vulnerability to an illness; some diatheses may be psychological (e.g., a tendency to think about life events in a pessimistic, self-defeating way).<\/p>\n<p id=\"fs-idp155357776\">The key assumption of the diathesis-stress model is that both factors, diathesis and stress, are necessary in the development of a disorder. Different models explore the relationship between the two factors: the level of stress needed to produce the disorder is inversely proportional to the level of diathesis. Read Emma&#8217;s Case Study for an application of the Diathesis-Stress Model.<\/p>\n<div class=\"textbox sup\"><a href=\"https:\/\/opentextbc.ca\/psychologymtdisupplement\/chapter\/pd-2-case-study-explaining-the-diathesis-stress-model-emmas-story\/\" target=\"_blank\" rel=\"noopener\">Supplement PD.2: Case Study &#8211; Explaining the Diathesis-Stress Model: Emma&#8217;s Story [New Tab]<\/a><\/div>\n<p>Watch this video: <a href=\"https:\/\/youtu.be\/XGyW9Y9GbUA\">Tricky Topics: Diathesis Stress (5 minutes)<\/a><\/p>\n<p><iframe loading=\"lazy\" id=\"oembed-1\" title=\"Tricky Topics: Diathesis Stress\" width=\"500\" height=\"375\" src=\"https:\/\/www.youtube.com\/embed\/XGyW9Y9GbUA?feature=oembed&#38;rel=0\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p><span data-sheets-root=\"1\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;\u201cTricky Topics: Name of Video\u201d video by FirstYearPsych Dalhousie is licensed under the Standard YouTube licence.&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:513,&quot;3&quot;:{&quot;1&quot;:0},&quot;12&quot;:0}\">\u201cTricky Topics: <a href=\"https:\/\/youtu.be\/XGyW9Y9GbUA\">Diathesis Stress<\/a>\u201d video by FirstYearPsych Dalhousie is licensed under the Standard YouTube licence.<\/span><\/p>\n<p>Here is the\u00a0<a href=\"https:\/\/digitaleditions.library.dal.ca\/intropsychneuro\/back-matter\/appendix\/#diathesisstress\">Tricky Topics: Diathesis Stress transcript<\/a>.<\/p>\n<h1>Image Attributions<\/h1>\n<p>Figure PD.7. Portion of a <a href=\"https:\/\/en.wikipedia.org\/wiki\/Cutting_the_Stone\">Public Domain Image<\/a>.<\/p>\n<p>Figure PD.8. <a href=\"https:\/\/simple.wikipedia.org\/wiki\/Mass_hysteria#\/media\/File:Dance_at_Molenbeek.jpg\">Public Domain Image<\/a>.<\/p>\n<p>Figure PD.9. Figure 15.8 as found in <a href=\"https:\/\/openstax.org\/books\/psychology-2e\/pages\/1-introduction\" target=\"_blank\" rel=\"noopener\">Psychology 2e by OpenStax<\/a>\u00a0is licensed under a\u00a0<a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" target=\"_blank\" rel=\"noopener\">CC BY 4.0 License<\/a>.<\/p>\n<div class=\"glossary\"><span class=\"screen-reader-text\" id=\"definition\">definition<\/span><template id=\"term_531_595\"><div class=\"glossary__definition\" role=\"dialog\" data-id=\"term_531_595\"><div tabindex=\"-1\"><p>To calculate this time, we used a reading speed of 150 words per minute and then added extra time to account for images and videos. This is just to give you a rough idea of the length of the chapter section. How long it will take you to engage with this chapter will vary greatly depending on all sorts of things (the complexity of the content, your ability to focus, etc).<\/p>\n<\/div><button><span aria-hidden=\"true\">&times;<\/span><span class=\"screen-reader-text\">Close definition<\/span><\/button><\/div><\/template><\/div>","protected":false},"author":127,"menu_order":4,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":["leanne-stevens","jennifer-stamp","kevin-leblanc-editors","jessica-motherwell-mcfarlane-editor-adapted-chapter"],"pb_section_license":"cc-by"},"chapter-type":[],"contributor":[71,75,67,69],"license":[53],"class_list":["post-531","chapter","type-chapter","status-publish","hentry","contributor-jennifer-stamp","contributor-jessica-motherwell-mcfarlane-editor-adapted-chapter","contributor-kevin-leblanc-editors","contributor-leanne-stevens","license-cc-by"],"part":517,"_links":{"self":[{"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/pressbooks\/v2\/chapters\/531","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/wp\/v2\/users\/127"}],"version-history":[{"count":4,"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/pressbooks\/v2\/chapters\/531\/revisions"}],"predecessor-version":[{"id":1143,"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/pressbooks\/v2\/chapters\/531\/revisions\/1143"}],"part":[{"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/pressbooks\/v2\/parts\/517"}],"metadata":[{"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/pressbooks\/v2\/chapters\/531\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/wp\/v2\/media?parent=531"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/pressbooks\/v2\/chapter-type?post=531"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/wp\/v2\/contributor?post=531"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/opentextbc.ca\/psychologymtdi\/wp-json\/wp\/v2\/license?post=531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}