Elevated Background Noise in Adult Attention Deficit Hyperactivity Disorder Is Associated with Inattention
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{"title"=>"Elevated background noise in adult attention deficit hyperactivity disorder is associated with inattention", "type"=>"journal", "authors"=>[{"first_name"=>"Emanuel", "last_name"=>"Bubl", "scopus_author_id"=>"16244137400"}, {"first_name"=>"Michael", "last_name"=>"Dörr", "scopus_author_id"=>"57195447434"}, {"first_name"=>"Andreas", "last_name"=>"Riedel", "scopus_author_id"=>"8654618900"}, {"first_name"=>"Dieter", "last_name"=>"Ebert", "scopus_author_id"=>"7102742944"}, {"first_name"=>"Alexandra", "last_name"=>"Philipsen", "scopus_author_id"=>"6603416864"}, {"first_name"=>"Michael", "last_name"=>"Bach", "scopus_author_id"=>"7202772032"}, {"first_name"=>"Ludger Tebartz", "last_name"=>"Van Elst", "scopus_author_id"=>"13605984800"}], "year"=>2015, "source"=>"PLoS ONE", "identifiers"=>{"scopus"=>"2-s2.0-84923306517", "sgr"=>"84923306517", "issn"=>"19326203", "pmid"=>"25693192", "doi"=>"10.1371/journal.pone.0118271", "pui"=>"602339419"}, "id"=>"082679c7-a7ba-3239-9be3-80fc01fdd6c8", "abstract"=>"BACKGROUND: Inattention and distractibility are core symptoms of attention deficit hyperactivity disorder (ADHD). Still the neuronal organization is largely unknown. Previously we studied the electrophysiological activity of a distinct neuronal network-the retina-and found no change in stimulus-driven neural activity in patients with ADHD. However there is growing evidence for an elevated non stimulus-driven neural activity, or neuronal background noise, as underlying pathophysiological correlate. To further examine the biological bases that might underlie ADHD and problems with inattention, we performed a new analysis to test the hypothesis of an elevated background noise as underlying neuronal correlate for ADHD and problems with inattention in humans. A direct measure of background noise in patients with ADHD has not been described yet.\\n\\nMETHODS: The retinal background noise was assessed based on pattern electroretinogram (PERG) data in 20 unmedicated ADHD patients and 20 healthy controls. The PERG is an electrophysiological measure for retinal ganglion cell function. ADHD severity was assessed by interview and questionnaire.\\n\\nRESULTS: Noise amplitude was significantly higher (138%) in patients with ADHD compared to the control group (p = 0.0047). Noise amplitude correlated significantly with psychometric measures for ADHD (CAARS) especially inattention (r = 0.44, p = 0.004).\\n\\nCONCLUSIONS: The data provide evidence that an elevated background noise is associated with symptoms of inattention in ADHD and support the use of therapeutic interventions that reduce noise and distraction in patients with ADHD.", "link"=>"http://www.mendeley.com/research/elevated-background-noise-adult-attention-deficit-hyperactivity-disorder-associated-inattention-1", "reader_count"=>22, "reader_count_by_academic_status"=>{"Student > Doctoral Student"=>3, "Researcher"=>1, "Student > Ph. D. Student"=>5, "Student > Postgraduate"=>1, "Student > Master"=>3, "Student > Bachelor"=>7, "Lecturer > Senior Lecturer"=>1, "Professor"=>1}, "reader_count_by_user_role"=>{"Student > Doctoral Student"=>3, "Researcher"=>1, "Student > Ph. D. Student"=>5, "Student > Postgraduate"=>1, "Student > Master"=>3, "Student > Bachelor"=>7, "Lecturer > Senior Lecturer"=>1, "Professor"=>1}, "reader_count_by_subject_area"=>{"Unspecified"=>1, "Nursing and Health Professions"=>1, "Medicine and Dentistry"=>4, "Agricultural and Biological Sciences"=>4, "Neuroscience"=>2, "Design"=>1, "Business, Management and Accounting"=>1, "Chemistry"=>1, "Psychology"=>7}, "reader_count_by_subdiscipline"=>{"Design"=>{"Design"=>1}, "Medicine and Dentistry"=>{"Medicine and Dentistry"=>4}, "Neuroscience"=>{"Neuroscience"=>2}, "Chemistry"=>{"Chemistry"=>1}, "Psychology"=>{"Psychology"=>7}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>4}, "Nursing and Health Professions"=>{"Nursing and Health Professions"=>1}, "Business, Management and Accounting"=>{"Business, Management and Accounting"=>1}, "Unspecified"=>{"Unspecified"=>1}}, "group_count"=>1}

Scopus | Further Information

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/1910281"], "description"=>"<p>Controls are displayed in blue, patients with ADHD in red. The thick, nearly horizontal lines represent a first-order model fit to the pertinent data points, the gray-shaded areas indicate its ±SEM interval. The distribution of the original data points can be gleaned from the box plots, where the median is indicated by short thick horizontal lines, the box covers the 25–75% percentile range, the whiskers indicate the range, outliers are indicated with dots. The background noise is markedly higher (138%) in patients with ADHD (red) compared to the controls (blue, p<0.005) and does not depend on stimulus contrast (lines are almost horizontal). This differs from the PERG stimulus response, which we added for comparison as dashed lines (data from [<a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0118271#pone.0118271.ref026\" target=\"_blank\">26</a>]); the PERG response amplitude rises linearly with stimulus contrast.</p>", "links"=>[], "tags"=>["caars", "Adult Attention Deficit Hyperactivity Disorder", "Elevated Background Noise", "20 unmedicated ADHD patients", "background noise", "inattention", "perg", "attention deficit hyperactivity disorder", "ganglion cell function"], "article_id"=>1311824, "categories"=>["Biological Sciences"], "users"=>["Emanuel Bubl", "Michael Dorr", "Andreas Riedel", "Dieter Ebert", "Alexandra Philipsen", "Michael Bach", "Ludger Tebartz van Elst"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0118271.g001", "stats"=>{"downloads"=>2, "page_views"=>28, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Relationship_of_PERG_background_noise_to_stimulus_contrast_/1311824", "title"=>"Relationship of PERG background noise to stimulus contrast.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-02-18 02:48:35"}
  • {"files"=>["https://ndownloader.figshare.com/files/1910289"], "description"=>"<p>Group comparison for psychometric characteristics and Correlation with noise.</p>", "links"=>[], "tags"=>["caars", "Adult Attention Deficit Hyperactivity Disorder", "Elevated Background Noise", "20 unmedicated ADHD patients", "background noise", "inattention", "perg", "attention deficit hyperactivity disorder", "ganglion cell function"], "article_id"=>1311829, "categories"=>["Biological Sciences"], "users"=>["Emanuel Bubl", "Michael Dorr", "Andreas Riedel", "Dieter Ebert", "Alexandra Philipsen", "Michael Bach", "Ludger Tebartz van Elst"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0118271.t002", "stats"=>{"downloads"=>1, "page_views"=>10, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Group_comparison_for_psychometric_characteristics_and_Correlation_with_noise_/1311829", "title"=>"Group comparison for psychometric characteristics and Correlation with noise.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2015-02-18 02:48:35"}
  • {"files"=>["https://ndownloader.figshare.com/files/1910287"], "description"=>"<p>Healthy controls are represented by blue disks, patients with ADHD by red triangles. Higher ADHD symptoms of inattention are associated with higher background noise (r = 0.44; p = 0.004). The correlation is represented by the line, while the gray-shaded area indicates its ±SEM interval.</p>", "links"=>[], "tags"=>["caars", "Adult Attention Deficit Hyperactivity Disorder", "Elevated Background Noise", "20 unmedicated ADHD patients", "background noise", "inattention", "perg", "attention deficit hyperactivity disorder", "ganglion cell function"], "article_id"=>1311827, "categories"=>["Biological Sciences"], "users"=>["Emanuel Bubl", "Michael Dorr", "Andreas Riedel", "Dieter Ebert", "Alexandra Philipsen", "Michael Bach", "Ludger Tebartz van Elst"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0118271.g003", "stats"=>{"downloads"=>2, "page_views"=>31, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Correlation_between_background_noise_and_DSM_IV_inattentive_symptoms_measured_with_the_CAARS_S_L_/1311827", "title"=>"Correlation between background noise and DSM-IV inattentive symptoms, measured with the CAARS-S-L.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-02-18 02:48:35"}
  • {"files"=>["https://ndownloader.figshare.com/files/1910288"], "description"=>"<p>Group comparison for demographic characteristics.</p>", "links"=>[], "tags"=>["caars", "Adult Attention Deficit Hyperactivity Disorder", "Elevated Background Noise", "20 unmedicated ADHD patients", "background noise", "inattention", "perg", "attention deficit hyperactivity disorder", "ganglion cell function"], "article_id"=>1311828, "categories"=>["Biological Sciences"], "users"=>["Emanuel Bubl", "Michael Dorr", "Andreas Riedel", "Dieter Ebert", "Alexandra Philipsen", "Michael Bach", "Ludger Tebartz van Elst"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0118271.t001", "stats"=>{"downloads"=>1, "page_views"=>9, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Group_comparison_for_demographic_characteristics_/1311828", "title"=>"Group comparison for demographic characteristics.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2015-02-18 02:48:35"}
  • {"files"=>["https://ndownloader.figshare.com/files/1910286"], "description"=>"<p>Boxplot showing the comparison of background noise in μV (y axis) between healthy control subjects (HC) and patients with ADHD; noise was averaged across all contrast levels per subject. Patients presented with a significant elevated background noise (p<0.005). Left: control group; right: patients with ADHD. Small disks or triangles, respectively, represent the individual data points. Boxplot details as in <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0118271#pone.0118271.g001\" target=\"_blank\">Fig. 1</a>, the notches represent a 95% confidence interval for the medians.</p>", "links"=>[], "tags"=>["caars", "Adult Attention Deficit Hyperactivity Disorder", "Elevated Background Noise", "20 unmedicated ADHD patients", "background noise", "inattention", "perg", "attention deficit hyperactivity disorder", "ganglion cell function"], "article_id"=>1311826, "categories"=>["Biological Sciences"], "users"=>["Emanuel Bubl", "Michael Dorr", "Andreas Riedel", "Dieter Ebert", "Alexandra Philipsen", "Michael Bach", "Ludger Tebartz van Elst"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0118271.g002", "stats"=>{"downloads"=>1, "page_views"=>5, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Group_comparison_of_mean_neuronal_noise_/1311826", "title"=>"Group comparison of mean neuronal noise.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-02-18 02:48:35"}

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{"start_date"=>"2015-01-01T00:00:00Z", "end_date"=>"2015-12-31T00:00:00Z", "subject_areas"=>[]}
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