{"id":82,"date":"2026-02-18T20:19:50","date_gmt":"2026-02-18T20:19:50","guid":{"rendered":"http:\/\/behavior-tools.com\/?page_id=82"},"modified":"2026-02-18T20:19:50","modified_gmt":"2026-02-18T20:19:50","slug":"five-choice-serial-reaction-time-task-5-csrtt-en-2","status":"publish","type":"page","link":"https:\/\/behavior-tools.com\/index.php\/five-choice-serial-reaction-time-task-5-csrtt-en-2\/","title":{"rendered":"FIVE-CHOICE SERIAL REACTION TIME TASK (5-CSRTT) (EN)"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">Five-Choice Serial Reaction Time Task in Zebrafish<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Scientific Overview<\/h2>\n\n\n\n<p>The Five-Choice Serial Reaction Time Task (5-CSRTT) is a high-level cognitive assay adapted to zebrafish (Danio rerio) to measure attention, impulse control, and executive function. Originally developed in rodents, it has been modified for aquatic operant paradigms.<\/p>\n\n\n\n<p>This task is considered one of the most translational cognitive assays linking zebrafish to psychiatric research.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">1. Historical Background<\/h2>\n\n\n\n<p>The 5-CSRTT was first developed in rodents by:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Trevor W. Robbins<\/li>\n<\/ul>\n\n\n\n<p>Zebrafish adaptation:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Parker et al., 2014. <em>Psychopharmacology<\/em><br>DOI: 10.1007\/s00213-014-3499-8<\/li>\n\n\n\n<li>Parker et al., 2012. <em>Frontiers in Behavioral Neuroscience<\/em><br>DOI: 10.3389\/fnbeh.2012.00047<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">2. Neurobiological Basis<\/h2>\n\n\n\n<p>The 5-CSRTT engages:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Dorsal pallium (executive homolog)<\/li>\n\n\n\n<li>Dopaminergic mesocorticolimbic circuits<\/li>\n\n\n\n<li>Serotonergic impulse control pathways<\/li>\n\n\n\n<li>Cholinergic attentional systems<\/li>\n<\/ul>\n\n\n\n<p>Performance deficits correlate with dopaminergic dysfunction and NMDA receptor modulation.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">3. Scientific Objectives<\/h2>\n\n\n\n<p>Measure:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sustained attention<\/li>\n\n\n\n<li>Impulsivity<\/li>\n\n\n\n<li>Premature responding<\/li>\n\n\n\n<li>Omission errors<\/li>\n\n\n\n<li>Correct response latency<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">4. Standardized Experimental Methodology<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Apparatus<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Automated operant chamber adapted for aquatic use<\/li>\n\n\n\n<li>Five light stimuli zones<\/li>\n\n\n\n<li>Food reward dispenser<\/li>\n\n\n\n<li>Infrared detection system<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Procedure<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Habituation to apparatus<\/li>\n\n\n\n<li>Magazine training<\/li>\n\n\n\n<li>Stimulus-response shaping<\/li>\n\n\n\n<li>Full 5-choice testing phase<\/li>\n<\/ol>\n\n\n\n<p>Stimulus duration: 1\u20135 seconds<br>Inter-trial interval: 5\u201310 seconds<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Primary Endpoints<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>% Correct responses<\/li>\n\n\n\n<li>% Omissions<\/li>\n\n\n\n<li>Premature responses<\/li>\n\n\n\n<li>Perseverative responses<\/li>\n\n\n\n<li>Reaction time (ms)<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Positive Controls<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Amphetamine \u2192 increased impulsivity<\/li>\n\n\n\n<li>Atomoxetine \u2192 reduced premature responses<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">5. Statistical Analysis<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mixed-effects models<\/li>\n\n\n\n<li>Repeated-measures ANOVA<\/li>\n\n\n\n<li>Impulsivity index calculation<\/li>\n\n\n\n<li>Signal detection theory metrics<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">6. Applications<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ADHD modeling<\/li>\n\n\n\n<li>Schizophrenia research<\/li>\n\n\n\n<li>Cognitive toxicology<\/li>\n\n\n\n<li>Dopaminergic drug screening<\/li>\n\n\n\n<li>Executive dysfunction models<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">7. Limitations<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Extensive training required<\/li>\n\n\n\n<li>Equipment cost<\/li>\n\n\n\n<li>Motivation variability<\/li>\n\n\n\n<li>Standardization challenges across labs<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">8. OECD Regulatory Context<\/h2>\n\n\n\n<p>Although not included in OECD Test Guidelines, the 5-CSRTT provides mechanistic cognitive endpoints relevant to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Developmental Neurotoxicity (DNT) programs<\/li>\n\n\n\n<li>Sublethal neurobehavioral toxicity screening<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">9. Key Scientific References<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Parker et al., 2014. DOI: 10.1007\/s00213-014-3499-8<\/li>\n\n\n\n<li>Parker et al., 2012. DOI: 10.3389\/fnbeh.2012.00047<\/li>\n\n\n\n<li>Robbins, 2002. DOI: 10.1098\/rstb.2002.1219<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Five-Choice Serial Reaction Time Task in Zebrafish Scientific Overview The Five-Choice Serial Reaction Time Task (5-CSRTT) is a high-level cognitive assay adapted to zebrafish (Danio rerio) to measure attention, impulse control, and executive function. Originally developed in rodents, it has been modified for aquatic operant paradigms. This task is considered one of the most translational [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-82","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/behavior-tools.com\/index.php\/wp-json\/wp\/v2\/pages\/82","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/behavior-tools.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/behavior-tools.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/behavior-tools.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/behavior-tools.com\/index.php\/wp-json\/wp\/v2\/comments?post=82"}],"version-history":[{"count":1,"href":"https:\/\/behavior-tools.com\/index.php\/wp-json\/wp\/v2\/pages\/82\/revisions"}],"predecessor-version":[{"id":83,"href":"https:\/\/behavior-tools.com\/index.php\/wp-json\/wp\/v2\/pages\/82\/revisions\/83"}],"wp:attachment":[{"href":"https:\/\/behavior-tools.com\/index.php\/wp-json\/wp\/v2\/media?parent=82"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}