Postural balance in patients with social anxiety disorder
Body stability is controlled by the postural system and can be affected by fear and anxiety. Few studies have addressed freezing posture in psychiatric disorders. The purpose of the present study was to assess posturographic behavior in 30 patients with social anxiety disorder (SAD) and 35 without S...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
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Associação Brasileira de Divulgação Científica
2012-01-01
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| Series: | Brazilian Journal of Medical and Biological Research |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2012000100007&lng=en&tlng=en |
| _version_ | 1819060769044561920 |
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| author | M.N. Levitan J.A. Crippa L.M. Bruno D.L. Pastore R.C. Freire K.C. Arrais J.E. Hallak A.E. Nardi |
| author_facet | M.N. Levitan J.A. Crippa L.M. Bruno D.L. Pastore R.C. Freire K.C. Arrais J.E. Hallak A.E. Nardi |
| author_sort | M.N. Levitan |
| collection | DOAJ |
| description | Body stability is controlled by the postural system and can be affected by fear and anxiety. Few studies have addressed freezing posture in psychiatric disorders. The purpose of the present study was to assess posturographic behavior in 30 patients with social anxiety disorder (SAD) and 35 without SAD during presentation of blocks of pictures with different valences. Neutral images consisted of objects taken from a catalog of pictures, negative images were mutilation pictures and anxiogenic images were related to situations regarding SAD fears. While participants were standing on a force platform, similar to a balance, displacement of the center of pressure in the mediolateral and anteroposterior directions was measured. We found that the SAD group exhibited a lower sway area and a lower velocity of sway throughout the experiment independent of the visual stimuli, in which the phobic pictures, a stimulus associated with a defense response, were unable to evoke a significantly more rigid posture than the others. We hypothesize that patients with SAD when entering in a situation of exposure, from the moment the pictures are presented, tend to move less than controls, remaining this way until the experiment ends. This discrete body manifestation can provide additional data to the characterization of SAD and its differentiation from other anxiety disorders, especially in situations regarding facing fear. |
| first_indexed | 2024-12-21T14:32:15Z |
| format | Article |
| id | doaj.art-4d8f8d52e7a240ecadab8352af974f87 |
| institution | Directory Open Access Journal |
| issn | 1414-431X |
| language | English |
| last_indexed | 2024-12-21T14:32:15Z |
| publishDate | 2012-01-01 |
| publisher | Associação Brasileira de Divulgação Científica |
| record_format | Article |
| series | Brazilian Journal of Medical and Biological Research |
| spelling | doaj.art-4d8f8d52e7a240ecadab8352af974f872022-12-21T19:00:27ZengAssociação Brasileira de Divulgação CientíficaBrazilian Journal of Medical and Biological Research1414-431X2012-01-01451384210.1590/S0100-879X2012000100007S0100-879X2012000100007Postural balance in patients with social anxiety disorderM.N. Levitan0J.A. Crippa1L.M. Bruno2D.L. Pastore3R.C. Freire4K.C. Arrais5J.E. Hallak6A.E. Nardi7Universidade Federal do Rio de JaneiroInstituto Nacional de Ciência e Tecnologia Translacional em MedicinaUniversidade Federal do Rio de JaneiroUniversidade Federal do Rio de JaneiroUniversidade Federal do Rio de JaneiroUniversidade de São PauloInstituto Nacional de Ciência e Tecnologia Translacional em MedicinaUniversidade Federal do Rio de JaneiroBody stability is controlled by the postural system and can be affected by fear and anxiety. Few studies have addressed freezing posture in psychiatric disorders. The purpose of the present study was to assess posturographic behavior in 30 patients with social anxiety disorder (SAD) and 35 without SAD during presentation of blocks of pictures with different valences. Neutral images consisted of objects taken from a catalog of pictures, negative images were mutilation pictures and anxiogenic images were related to situations regarding SAD fears. While participants were standing on a force platform, similar to a balance, displacement of the center of pressure in the mediolateral and anteroposterior directions was measured. We found that the SAD group exhibited a lower sway area and a lower velocity of sway throughout the experiment independent of the visual stimuli, in which the phobic pictures, a stimulus associated with a defense response, were unable to evoke a significantly more rigid posture than the others. We hypothesize that patients with SAD when entering in a situation of exposure, from the moment the pictures are presented, tend to move less than controls, remaining this way until the experiment ends. This discrete body manifestation can provide additional data to the characterization of SAD and its differentiation from other anxiety disorders, especially in situations regarding facing fear.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2012000100007&lng=en&tlng=enSocial anxiety disorderPostural controlFreezingStabilometryAnxietySocial exposure |
| spellingShingle | M.N. Levitan J.A. Crippa L.M. Bruno D.L. Pastore R.C. Freire K.C. Arrais J.E. Hallak A.E. Nardi Postural balance in patients with social anxiety disorder Brazilian Journal of Medical and Biological Research Social anxiety disorder Postural control Freezing Stabilometry Anxiety Social exposure |
| title | Postural balance in patients with social anxiety disorder |
| title_full | Postural balance in patients with social anxiety disorder |
| title_fullStr | Postural balance in patients with social anxiety disorder |
| title_full_unstemmed | Postural balance in patients with social anxiety disorder |
| title_short | Postural balance in patients with social anxiety disorder |
| title_sort | postural balance in patients with social anxiety disorder |
| topic | Social anxiety disorder Postural control Freezing Stabilometry Anxiety Social exposure |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2012000100007&lng=en&tlng=en |
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