Dictionary
Auditory Hallucinations: Perception Without Sound
Auditory hallucinations are sensory perceptions of sound occurring without external acoustic stimuli. Explore their neurobiology,...
Neuropsychiatry
40 results
Dictionary
Agitation: Clinical Nuance and Psychomotor Drive
Agitation is a critical transdiagnostic state of psychomotor disturbance characterized by purposeless physical hyperactivity, inner...
October 6, 2026
•
Dr. Mohammed Looti
Dictionary
Affective Rigidity: Emotional Inflexibility Explained
Affective rigidity refers to an inflexible, persistent emotional state characterized by an inability to modulate...
October 6, 2026
•
Dr. Mohammed Looti
Dictionary
Active Negativism: Motor Resistance in Catatonia
Explore active negativism, an involuntary psychomotor sign seen in catatonia and neurological conditions where individuals...
October 5, 2026
•
Dr. Mohammed Looti
Dictionary
Acoria: The Neurological Loss of Satiety
Acoria is a rare neuropsychiatric and neuroendocrine condition marked by the pathological absence of satiety,...
October 5, 2026
•
Dr. Mohammed Looti
Dictionary
Acenesthesia: The Loss of Bodily Awareness
Acenesthesia is the clinical absence or pathological loss of cenesthesia—the vital, intuitive awareness of one's...
October 5, 2026
•
Dr. Mohammed Looti
Dictionary
Abulia: The Neurobiology of Lost Will
Abulia is a profound neurobehavioral syndrome characterized by severe loss of willpower, drive, and initiation....
October 5, 2026
•
Dr. Mohammed Looti
Dictionary
Aboiement: Neuropsychiatric Vocalization
Aboiement designates the production of abrupt, involuntary barking sounds. Explore its neurobiology, historical context, clinical...
October 5, 2026
•
Dr. Mohammed Looti
Dictionary
Aboiement: Vocal Tics and Ethological Signals
Aboiement refers to involuntary barking vocalizations in neuropsychiatric conditions like Tourette syndrome, as well as...
October 5, 2026
•
Dr. Mohammed Looti
Dictionary
Abasia: The Science of Gait Dysfunction
Abasia is a profound motor dysfunction characterized by the inability to walk despite preserved lower...
October 5, 2026
•
Dr. Mohammed Looti
Scales
ADHD Clinical Outcome Scale (ACOS)
The ADHD Clinical Outcome Scale (ACOS; Adamis et al., 2024) is a psychometrically robust, 15-item...
September 27, 2026
•
Dr. Mohammed Looti
Experiments
The Dopamine Hypothesis of Schizophrenia Studies – Arvid Carlsson
A rigorous academic outline examining Arvid Carlsson's foundational research, the evolution of the dopamine hypothesis...
September 16, 2026
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Dr. Mohammed Looti