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Related Concept Videos

Hallucinogens and Psychedelics01:27

Hallucinogens and Psychedelics

Hallucinogens are psychoactive substances that profoundly alter perceptual experiences, generating unreal visual and sensory images. Often referred to as psychedelic drugs — a term derived from the Greek words "psyche" (mind) and "delos" (revealing) — these substances include marijuana and lysergic acid diethylamide (LSD), among others. These drugs vary in intensity and effects.
Marijuana, derived from the dried leaves and flowers of the hemp plant, contains delta-9-tetrahydrocannabinol (THC)...
CNS Stimulants: Psychedelic Agents01:22

CNS Stimulants: Psychedelic Agents

Hallucinogens, also known as psychedelic drugs, are a class of substances known for their ability to alter perception, cognition, and emotions. Despite their profound effects on the mind, these drugs are non-addictive, setting them apart from many other abused substances. The mechanism of action of these drugs lies in their impact on the 5-HT2A receptor in the brain. Upon activation, this receptor couples to Gq-type G proteins, triggering a cascade that releases intracellular calcium. This...
An Overview of Psychoactive Drugs01:28

An Overview of Psychoactive Drugs

Psychoactive drugs impact brain function, influencing perception, mood, consciousness, cognition, and behavior. These substances are grouped based on their effects and the mechanisms by which they act.
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Altered States of Awareness01:06

Altered States of Awareness

Altered states of consciousness represent significant deviations from one's normal mental state. These deviations can range from subtle changes in awareness to profound transformations in perception, thought processes, and sensory experiences. Altered states of consciousness can be triggered by various factors, including drug use, meditation, hypnosis, illness, or even intense fatigue.
The ingestion of substances like stimulants or hallucinogens leads to chemical alterations in the brain that...
Psychological Responses to Stress01:20

Psychological Responses to Stress

Psychological responses to stress encompass the various cognitive and emotional reactions individuals experience when faced with challenging or threatening situations, such as a job loss. Prolonged exposure to stressors can disturb emotional balance, increasing negative emotions (e.g., anxiety and sadness) and diminishing positive emotions (e.g., joy and satisfaction). These persistent emotional shifts are associated with an increased risk of both physical illness and mental health issues, such...
Psychological and Sociocultural Causes of Schizophrenia01:29

Psychological and Sociocultural Causes of Schizophrenia

Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...

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Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study
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Psychological Adverse Effects of Psychedelic Use.

Franklin King1,2,3, Juliana Zambrano2,4, Erin Mauney5,6

  • 1Center for Neuroscience of Psychedelics, Massachusetts General Hospital, Boston, Massachusetts.

The Primary Care Companion for CNS Disorders
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Summary

The Psychiatric Consultation Service aids hospitalized patients with complex medical issues and co-occurring psychiatric conditions. Their rounds reports offer valuable insights for physicians at the medicine-psychiatry interface.

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Area of Science:

  • Medicine
  • Psychiatry
  • Inpatient Care

Background:

  • Medical and surgical inpatients frequently present with comorbid psychiatric symptoms.
  • Managing these complex cases requires interdisciplinary collaboration.
  • The Massachusetts General Hospital Psychiatric Consultation Service addresses this need.

Purpose of the Study:

  • To summarize key diagnostic and management strategies discussed during psychiatric consultation rounds.
  • To provide a resource for clinicians working with medically ill patients with psychiatric comorbidities.

Main Methods:

  • The Psychiatric Consultation Service conducts twice-weekly rounds.
  • Discussions focus on diagnosis and management of inpatients with complex medical/surgical problems and psychiatric symptoms.
  • Case-based discussions inform the development of rounds reports.

Main Results:

  • Rounds reports synthesize complex clinical information.
  • These reports highlight practical approaches to integrated care.
  • The service facilitates effective management at the medicine-psychiatry interface.

Conclusions:

  • Psychiatric consultation services are crucial for optimizing care in complex inpatient settings.
  • The generated rounds reports serve as a valuable educational tool.
  • Effective collaboration between medicine and psychiatry improves patient outcomes.