Psychiatric Clinical Signs and Symptoms Liu Zhening MD&PhD
Psychiatric Clinical Signs and Symptoms Liu Zhening MD&PhD
General introduction ■Signs ■Symptoms ■Syndrome
General introduction ◼ Signs ◼ Symptoms ◼ Syndrome
Disorders of perception(one) Perception is the process of becoming aware of what is presented through the sense organs. Imagery is an experience within the mind,usually without the sense of reality that is part of perception. ■Illusion
Disorders of perception(one) ◼ Perception is the process of becoming aware of what is presented through the sense organs. ◼ Imagery is an experience within the mind, usually without the sense of reality that is part of perception. ◼ Illusion
Disorders of perception(two) ■Abnormalities: Changes in the intensity of things perceived -Changes in the quality of perception Illusions:an illusion is a misperception of an external stimulus Hallucinations:a hallucination is a perception experienced in the absence of an external stimulus to the corresponding sense organ
Disorders of perception(two) ◼ Abnormalities: ◼ Changes in the intensity of things perceived ◼ Changes in the quality of perception ◼ Illusions: an illusion is a misperception of an external stimulus ◼ Hallucinations: a hallucination is a perception experienced in the absence of an external stimulus to the corresponding sense organ
Hallucination A hallucination has two special qualities: -It is experienced as a true perception,not a imaginary. -It seems to come from the outside would. Pseudohallucination Experiences that possess one of these qualities are called pseudohallucination
Hallucination ◼ A hallucination has two special qualities: ◼ It is experienced as a true perception, not a imaginary. ◼ It seems to come from the outside would. ◼ Pseudohallucination ◼ Experiences that possess one of these qualities are called pseudohallucination
Types of hallucination Auditory hallucination may be experienced as voices,noises,or music. Visual hallucination may be experienced as flashes of light or as complex images such as the figure of man. Hallucination of smell or taste Tactile hallucination
Types of hallucination ◼ Auditory hallucination may be experienced as voices, noises, or music. ◼ Visual hallucination may be experienced as flashes of light or as complex images such as the figure of man. ◼ Hallucination of smell or taste ◼ Tactile hallucination
Disorder of thinking Thought disorders denote five kinds of abnormality: -Abnormality of the amount and speed of thought.(the stream of thought) -Abnormality of the ways in which thoughts are linked together. Delusions ■Overvalued ideas Obsessional and compulsive symptoms
Disorder of thinking ◼ Thought disorders denote five kinds of abnormality: ◼ Abnormality of the amount and speed of thought. (the stream of thought) ◼ Abnormality of the ways in which thoughts are linked together. ◼ Delusions ◼ Overvalued ideas ◼ Obsessional and compulsive symptoms
Disorders of the stream of thought ■Pressure of thought ■Poverty of thought ■Thought blocking
Disorders of the stream of thought ◼ Pressure of thought ◼ Poverty of thought ◼ Thought blocking
Disorders of the form of thought ■Flight of ideas Loosening of associations ■Perseveration
Disorders of the form of thought ◼ Flight of ideas ◼ Loosening of associations ◼ Perseveration
Delusions A delusion is a belief that is firmly held on inadequate grounds,is not affected by rational argument or evidence to the contrary and is not a conventional belief that the person might be expected to hold given his educational and cultural background
Delusions ◼ A delusion is a belief that is firmly held on inadequate grounds, is not affected by rational argument or evidence to the contrary, and is not a conventional belief that the person might be expected to hold given his educational and cultural background