deletions | additions       diff --git a/Pharmacological_studies.md b/Pharmacological_studies.md  index 76c48fa..9540cab 100644  --- a/Pharmacological_studies.md  +++ b/Pharmacological_studies.md 
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### Pharmacological studies  | **Title** | **Comment** |  |:----------|:------------|  | \cite{27238866} | A possible link between endocannabinoid receptors, orbital frontal cortex, and habit formation? |   | \cite{26945087} |  "Histamine H3 receptor regulates sensorimotor gating and dopaminergic signaling in the striatum" \cite{26945087}. striatum." |  ### Clinical and neuropsychological studies 
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Interesting study: "The results suggest that tic-like movements do not occur as a consequence of a failure to inhibit motor output. Instead, tics might be considered highly overlearned behavior that can be triggered without interference by external, incompatible movement stimuli" \cite{27062184}. Compare \cite{20535824} and \cite{22278950}.  "Illusion of agency" in TS \cite{26963083}. May relate to judgments of volition for tics.   | **Title** | **Comment** |  |:----------|:------------|  | \cite{27238866} | A possible link between endocannabinoid receptors, orbital frontal cortex, and habit formation? |