Auditory Evoked Potentials in Anxiety Disorder
The pathophysiology of anxiety has received much recent attention. EEG findings in anxiety are nonspecific, and some changes in psychophysiological measures have been reported. We recorded short-latency brainstem auditory evoked potentials (BAEPs) and long-latency auditory event-related potentials (...
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| Veröffentlicht in: | Clinical EEG and neuroscience 1991-04, Vol.22 (2), p.97-101 |
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| container_title | Clinical EEG and neuroscience |
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| creator | Drake, Miles E. Pakalnis, Ann Phillips, Barbara Padamadan, Hosi Hietter, Sharon A. |
| description | The pathophysiology of anxiety has received much recent attention. EEG findings in anxiety are nonspecific, and some changes in psychophysiological measures have been reported. We recorded short-latency brainstem auditory evoked potentials (BAEPs) and long-latency auditory event-related potentials (AEPs) in 12 patients with generalized anxiety disorder. All 12 patients had BAEP latencies within clinical norms, but I-V interpeak latencies were significantly longer in patients with anxiety than controls. N1, N2, P2, and P3 AEP components were within normal limits; N1 and P2 were reduced in amplitude in anxiety patients, but differences from controls were not significant. The BAEP findings may suggest altered brain-stem function in anxiety, which has been implied by biochemical studies of anxiety and depression. AEP differences may be related to difficulties in concentration and attention direction reported by anxious patients. |
| doi_str_mv | 10.1177/155005949102200209 |
| format | Article |
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EEG findings in anxiety are nonspecific, and some changes in psychophysiological measures have been reported. We recorded short-latency brainstem auditory evoked potentials (BAEPs) and long-latency auditory event-related potentials (AEPs) in 12 patients with generalized anxiety disorder. All 12 patients had BAEP latencies within clinical norms, but I-V interpeak latencies were significantly longer in patients with anxiety than controls. N1, N2, P2, and P3 AEP components were within normal limits; N1 and P2 were reduced in amplitude in anxiety patients, but differences from controls were not significant. The BAEP findings may suggest altered brain-stem function in anxiety, which has been implied by biochemical studies of anxiety and depression. 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EEG findings in anxiety are nonspecific, and some changes in psychophysiological measures have been reported. We recorded short-latency brainstem auditory evoked potentials (BAEPs) and long-latency auditory event-related potentials (AEPs) in 12 patients with generalized anxiety disorder. All 12 patients had BAEP latencies within clinical norms, but I-V interpeak latencies were significantly longer in patients with anxiety than controls. N1, N2, P2, and P3 AEP components were within normal limits; N1 and P2 were reduced in amplitude in anxiety patients, but differences from controls were not significant. The BAEP findings may suggest altered brain-stem function in anxiety, which has been implied by biochemical studies of anxiety and depression. AEP differences may be related to difficulties in concentration and attention direction reported by anxious patients.</description><subject>Adult</subject><subject>Adult and adolescent clinical studies</subject><subject>Anxiety</subject><subject>Anxiety Disorders - physiopathology</subject><subject>Anxiety disorders. Neuroses</subject><subject>Auditory evoked potentials</subject><subject>Biological and medical sciences</subject><subject>Electroencephalography</subject><subject>Evoked Potentials, Auditory</subject><subject>Evoked Potentials, Auditory, Brain Stem</subject><subject>Female</subject><subject>Generators</subject><subject>Humans</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Psychology. Psychoanalysis. Psychiatry</subject><subject>Psychopathology. 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Psychiatry</topic><topic>Reaction Time</topic><topic>Studies</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Drake, Miles E.</creatorcontrib><creatorcontrib>Pakalnis, Ann</creatorcontrib><creatorcontrib>Phillips, Barbara</creatorcontrib><creatorcontrib>Padamadan, Hosi</creatorcontrib><creatorcontrib>Hietter, Sharon A.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Docstoc</collection><collection>Nursing & Allied Health Database</collection><collection>Neurosciences Abstracts</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Database (Alumni Edition)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Nursing & Allied Health Premium</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><jtitle>Clinical EEG and neuroscience</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Drake, Miles E.</au><au>Pakalnis, Ann</au><au>Phillips, Barbara</au><au>Padamadan, Hosi</au><au>Hietter, Sharon A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Auditory Evoked Potentials in Anxiety Disorder</atitle><jtitle>Clinical EEG and neuroscience</jtitle><addtitle>Clin Electroencephalogr</addtitle><date>1991-04-01</date><risdate>1991</risdate><volume>22</volume><issue>2</issue><spage>97</spage><epage>101</epage><pages>97-101</pages><issn>0009-9155</issn><issn>1550-0594</issn><eissn>2169-5202</eissn><abstract>The pathophysiology of anxiety has received much recent attention. EEG findings in anxiety are nonspecific, and some changes in psychophysiological measures have been reported. We recorded short-latency brainstem auditory evoked potentials (BAEPs) and long-latency auditory event-related potentials (AEPs) in 12 patients with generalized anxiety disorder. All 12 patients had BAEP latencies within clinical norms, but I-V interpeak latencies were significantly longer in patients with anxiety than controls. N1, N2, P2, and P3 AEP components were within normal limits; N1 and P2 were reduced in amplitude in anxiety patients, but differences from controls were not significant. The BAEP findings may suggest altered brain-stem function in anxiety, which has been implied by biochemical studies of anxiety and depression. 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| subjects | Adult Adult and adolescent clinical studies Anxiety Anxiety Disorders - physiopathology Anxiety disorders. Neuroses Auditory evoked potentials Biological and medical sciences Electroencephalography Evoked Potentials, Auditory Evoked Potentials, Auditory, Brain Stem Female Generators Humans Male Medical sciences Middle Aged Psychology. Psychoanalysis. Psychiatry Psychopathology. Psychiatry Reaction Time Studies |
| title | Auditory Evoked Potentials in Anxiety Disorder |
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