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Reward Deficiency Syndrome

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lightbulbAbout this topic
Reward Deficiency Syndrome (RDS) is a neurobiological condition characterized by a reduced sensitivity to natural rewards, often linked to genetic variations affecting the brain's reward pathways. This syndrome can lead to increased susceptibility to addictive behaviors and mood disorders due to impaired dopamine signaling and altered reward processing.
lightbulbAbout this topic
Reward Deficiency Syndrome (RDS) is a neurobiological condition characterized by a reduced sensitivity to natural rewards, often linked to genetic variations affecting the brain's reward pathways. This syndrome can lead to increased susceptibility to addictive behaviors and mood disorders due to impaired dopamine signaling and altered reward processing.

Key research themes

1. How do genetic and neurobiological mechanisms contribute to the pathophysiology and behavioral manifestations of Reward Deficiency Syndrome (RDS)?

This research area focuses on understanding the molecular, genetic, and neurochemical bases of RDS, emphasizing dopamine dysregulation in the brain's reward circuitry. It matters because elucidating these mechanisms enables the identification of predictive biomarkers for susceptibility to substance and behavioral addictions and informs targeted interventions.

Key finding: This study delineates how polymorphisms in genes regulating the brain reward cascade—including serotonergic, dopaminergic, endorphinergic, and GABAergic pathways—contribute to hypodopaminergic states underlying RDS behaviors.... Read more
Key finding: This review highlights the genetic and epigenetic factors contributing to mesocorticolimbic dopamine system dysregulation in RDS, synthesizing evidence from neuroimaging, candidate gene, and epigenetic studies. It underscores... Read more
Key finding: Through a case series of a nuclear family, this study demonstrates the clinical relevance of GARS testing in detecting polymorphic alleles linked to hypodopaminergic predisposition and RDS-related behaviors. It evidences that... Read more

2. What is the role of hypodopaminergia and dopamine homeostasis disruptions in clinical symptoms like anhedonia, impulsivity, and behavioral addictions within RDS?

This theme investigates how dopamine deficits and altered neurotransmission contribute to core phenotypes of RDS such as anhedonia, impulsivity, and compulsive behaviors. Understanding these neurophysiological underpinnings is critical to developing targeted diagnostic and therapeutic approaches addressing motivational and reward-processing deficits.

Key finding: The paper elucidates that anhedonia arises from persistent hypodopaminergic states due to genetic and epigenetic interactions affecting mesolimbic dopamine pathways, notably the striatum and prefrontal cortex. It frames... Read more
Key finding: This review consolidates evidence linking altered dopamine receptor availability and disrupted functional connectivity within the mesocorticolimbic circuitry to RDS behaviors. It posits that hypodopaminergic dysfunction... Read more
Key finding: This review advances the hypothesis that RDS-related dopaminergic gene polymorphisms have evolutionary underpinnings that modulate human reward behaviors and survival. It highlights how hypodopaminergic states contribute to... Read more

3. How does RDS manifest in diverse neurobehavioral and neurodevelopmental disorders, and what are the implications for tailored treatment approaches?

This theme examines the expression of RDS phenotypes across disorders such as autism spectrum disorder, neurodevelopmental syndromes, and neuropsychiatric conditions involving challenging behaviors. It underscores the heterogeneity of RDS manifestations and the need for individualized assessment of reward processing and motivation to optimize intervention.

Key finding: The review synthesizes evidence that children with autism spectrum disorder (ASD) exhibit diminished neural responsiveness to social rewards in mesolimbic pathways, consistent with the social motivation hypothesis. Reduced... Read more
Key finding: This empirical study establishes feasibility of assessing reward devaluation in autistic individuals with complex needs, finding attenuated behavioral adaptation to devalued rewards compared to typically developing controls.... Read more
Key finding: This clinical overview highlights that challenging behaviors in neurodevelopmental disorders, including severe autism and intellectual disability, often stem from complex medical and neuropsychiatric comorbidities affecting... Read more
Key finding: The study finds that individuals with CHARGE syndrome frequently display autistic-like and obsessive-compulsive behaviors associated with underlying neurodevelopmental abnormalities and sensory impairments affecting reward... Read more
Key finding: This study demonstrates that mastery motivation—defined as the intrinsic drive to master challenging tasks—correlates with neurodevelopmental status in children at high risk for delays, reflecting underlying reward system... Read more

All papers in Reward Deficiency Syndrome

Reward Deficiency Syndrome (RDS) is defined as a breakdown of reward neurotransmission that results in a wide range of addictive, compulsive, and impulsive behaviors. RDS is caused by a combination of environmental (epigenetic) influences... more
The United States are amid an opioid overdose epidemic; we are challenged to provide non-addicting/non-pharmacological alternatives to assist in pain attenuation. There are proven strategies available to manage chronic pain effectively... more
It is a reality that globally opioid deaths have soared for men and women of all social, economic status and age from heroin and fentanyl overdoses. Specifically, in the United States, deaths from narcotic overdoses have reached alarming... more
IntroductionThere is a need to classify patients at genetic risk for drug seeking behavior prior to or upon entry to chemical dependency programs.MethodsThe prevalence of seven risk alleles (DRD2 = A1; SLC6A3 (DAT) = 10R; DRD4 = 3R or 7R;... more
Scientific studies have provided evidence that there is a relationship between violent and aggressive behaviors and addictions. Genes involved with the reward system, specifically the brain reward cascade (BRC), appear to be associated... more
The reinforcing properties of mesolimbic dopamine release caused by cocaine use disorder (CUD) are well known [1] and carriers of the DRD2 A1 allele due to hypodopaminergia (30-40 percent less DRD2 receptors) have significant... more
has seen a record-setting number of deaths and overdoses (1-13). According to preliminary data from the Centers for Disease Control and Prevention's (CDC) National Center for Health Statistics (NCHS), there were approximately 100,306 drug... more
could be classified under three headings: observation and analysis of psychological behaviors; observation and analysis of cultural and social variables: laboratory investigation into the physiological effects of alcohol on the body.
شیاتس ولنادم )لوئسم هدنسیون( سانشراک ی ،دشرا هدکشناد مولع برت ی ت ی و سانشناور ی ، هاگشناد ربت ی ،ز ربت ی ،ز ا ی نار . یمشاه جروت رتکد ،داتسا هدکشناد سانشناور ی و مولع برت ی ت ی ، هاگشناد ربت ی ،ز ربت ی ،ز ا ی نار . روپ یشخب سابع رتکد... more
Background-Lucid Dreams are a form of dream life, during which the dreamer may be aware that he/she is dreaming, can stop/re-start the dreams, depending on the pleasantness or unpleasant nature of the dream, and experiences the dream as... more
Reward Deficiency Syndrome (RDS) is an umbrella term encompassing a wide array of addictive behaviors that affect individuals across diverse spectra of society. Our research group has conducted a plethora of studies investigating the... more
The dopaminergic system, and in particular the dopamine O 2 receptor, has been profoundly implicated in reward mechanisms in the brain. Dysfunction of the O 2 dopamine receptors leads to aberrant substance seeking behaviour (alcohol,... more
Scientific studies have provided evidence that there is a relationship between violent and aggressive behaviors and addictions. Genes involved with the reward system, specifically the brain reward cascade (BRC), appear to be associated... more
Despite progress that has been made in the treatment of obesity, the epidemic continues to rise worldwide. While pharmacological treatment of obesity may be effective, medications may have significant side effects and can be potentially... more
The purpose of this editorial is to inform the entire scientific community, but more importantly the clinicians and professional on the front-line of caring for the victims of individuals with Reward Deficiency Syndrome (RDS) and a... more
During Lucid Dreams, the dreamer is aware, experiences the dream as if fully awake, and may control the dream content. The dreamer can start, stop, and restart dreaming, depending on the nature and pleasantness of the dream. For patients... more
The United States are amid an opioid overdose epidemic; we are challenged to provide non-addicting/non-pharmacological alternatives to assist in pain attenuation. There are proven strategies available to manage chronic pain effectively... more
The brain regions tied to pleasure can be triggered by engaging in sex, eating tasty food, watching a movie, accomplishments at school and athletics, consuming drugs, and noble efforts to help the community, the country, and the world. It... more
Background: The search for an accurate, gene-based test to identify heritable risk factors for Reward Deficiency Syndrome (RDS) was conducted based on hundreds of published studies about the role of dopamine in addictive behaviors,... more
We are currently in a genomics era with important implications for the field of psychiatry. An understanding of DNA, as well as polymorphic changes affecting the brain's reward circuitry, has provided a new way of approaching and thinking... more
Anything that makes you weak physically, intellectually and spiritually, reject as a poison"-This has been said even in our scriptures. Addictions have been found to be common state observed in all age groups particularly young adults. I.... more
The focus of this paper is treatment of obesity in relation to the management of hedonic appetite. Obesity is a complex condition which may be potentiated by excessive reward seeking in combination with executive functioning deficits that... more
Addictions to smoking, alcohol, illicit drugs, and certain behaviors like gambling, overeating, and sex, are prevalent worldwide. These behaviors are highly destructive and costly to individuals and society due to health consequences,... more
This brief commentary aims to provide an overview of the available and relatively new precision management of reward deficiencies manifested as substance and behavioral disorders. Current and future advances, concepts, and the substantial... more
Since 1990, when our laboratory published the association of the DRD2 Taq A1 allele and severe alcoholism in JAMA, there has been an explosion of genetic candidate association studies, including GWAS. To develop an accurate test to help... more
Excessive alcohol intake, e.g., binge drinking, is a serious and mounting public health problem in the United States and throughout the world. Hence the need for novel insights into the underlying neurobiology that may help improve... more
Despite progress that has been made in the treatment of obesity, the epidemic continues to rise worldwide. While pharmacological treatment of obesity may be effective, medications may have significant side effects and can be potentially... more
The slaughters in Las Vegas and Sutherland Springs demand explanation, in the face of the ineffable. An understanding of the shooters' motives could restore our trust in our mutually cooperative existence. In this short communication... more
et al. Low-Resolution Electromagnetic Tomography (LORETA) of changed Brain Function Provoked by Pro-Dopamine Regulator (KB220z) in one Adult ADHD case. Open J of Clin. Med. Case Rep. 2;(11) 2016 Attention Deficit-Hyperactivity Disorder... more
We are currently in a genomics era with important implications for the field of psychiatry. An understanding of DNA, as well as polymorphic changes affecting the brain's reward circuitry, has provided a new way of approaching and thinking... more
Many US states now embrace the medical and recreational use of Cannabis. Changes in the laws have heightened interest and encouraged research into both cannabinoid products and the potential harms of Cannabis use, addiction, and... more
Alcohol and other substance use disorders share comorbidity with other RDS disorders, i.e., a reduction in dopamine signaling within the reward pathway. RDS is a term that connects addictive, obsessive, compulsive, and impulsive... more
et al. Low-Resolution Electromagnetic Tomography (LORETA) of changed Brain Function Provoked by Pro-Dopamine Regulator (KB220z) in one Adult ADHD case. Open J of Clin. Med. Case Rep. 2;(11) 2016 Attention Deficit-Hyperactivity Disorder... more
The United States are amid an opioid overdose epidemic; we are challenged to provide non-addicting/non-pharmacological alternatives to assist in pain attenuation. There are proven strategies available to manage chronic pain effectively... more
It is well-known that Native Americans (NA) clinically present with a very high rate of alcoholism and other drugs of abuse. It is also known that NA also display a very high rate of suicide compared to other ethnic groups. Furthermore,... more
Many individuals in the United States are plagued by addiction, and the rate at which it is affecting people in the United States only seems to be increasing. Research shows that addiction is a preventable disorder rather than a flaw in... more
Scientific studies have provided evidence that there is a relationship between violent and aggressive behaviors and addictions. Genes involved with the reward system, specifically the brain reward cascade (BRC), appear to be associated... more
During Lucid Dreams, the dreamer is aware, experiences the dream as if fully awake, and may control the dream content. The dreamer can start, stop, and restart dreaming, depending on the nature and pleasantness of the dream. For patients... more
Blum’s laboratory has dedicated work to develop an accurate genetic test to predict true liability/risk for addiction and Reward Deficiency Syndrome (RDS) behaviours [1,2]. Genius Health LLC., scientists, in conjunction with their Genomic... more
The purpose of this editorial is to inform the entire scientific community, but more importantly the clinicians and professional on the front-line of caring for the victims of individuals with Reward Deficiency Syndrome (RDS) and a... more
On June 18th the world lost a fabulous 17-year-old violinist prodigy a Carnegie Hall sensation, Katya Tsukanova, due to a fatal overdose of the designer drug named Calvin Klein (CK). The CK drug is so named because it contains a... more
Dopamine along with other chemical messengers like serotonin, cannabinoids, endorphins and glutamine, play significant roles in brain reward processing. There is a devastating opiate/opioid epidemicin the United States. According to the... more
Anything that makes you weak physically, intellectually and spiritually, reject as a poison"-This has been said even in our scriptures. Addictions have been found to be common state observed in all age groups particularly young adults. I.... more
In the face of the global pandemic of COVID 19, approaching 1.75 Million infected worldwide (4/12/2020) and associated mortality (over 108, 000 as of 4/12/2020) as well-as other catastrophic events including the opioid crisis, a focus on... more
Any historical assessment of the public health legacy of the Obama administration will have to look favorably at the impact of the Affordable Care Act (ACA; Pub L No. 111-148) on the US response to the opioid epidemic, and its ability to... more
شیاتس ولنادم )لوئسم هدنسیون( سانشراک ی ،دشرا هدکشناد مولع برت ی ت ی و سانشناور ی ، هاگشناد ربت ی ،ز ربت ی ،ز ا ی نار . یمشاه جروت رتکد ،داتسا هدکشناد سانشناور ی و مولع برت ی ت ی ، هاگشناد ربت ی ،ز ربت ی ،ز ا ی نار . روپ یشخب سابع رتکد... more
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