Category archives: Neuroscience

Olfactory adaptation and autism

Olfactory adaptation and autism

NeurobiologyNeuroscience

By José Ramón Alonso

The Diagnostic and Statistical Manual of Mental Disorders, 5th edition (DSM-5) includes sensory alterations as one of the four characteristics of restricted / repetitive behavior of people with autism spectrum disorder (ASD). It defines this symptom characteristic as a «hyper- or hyporeactivity to sensory inputs or an unusual interest for sensory aspects of the environment» […]

Chromatic multiphoton serial microscopy can generate brain-wide atlas-like colour datasets with subcellular resolution

Chromatic multiphoton serial microscopy can generate brain-wide atlas-like colour datasets with subcellular resolution

BiologyBiomedicineComputer scienceNanotechnologyNeurosciencePhysics

By DIPC

In 1873, the microscopist Ernst Abbe stipulated a physical limit for the maximum resolution of traditional optical microscopy: 0.2 micrometers, or 200 nanometers (the shortest wavelength for visible light, the extreme limit of violet). This meant that scientists could distinguish whole cells, as well as some parts of the cell called organelles. However, they would […]

Exiting dyscalculia

Exiting dyscalculia

Neuroscience

By José Ramón Alonso

The term dyscalculia of the development was proposed for the first time in 1968 by Cohn to describe a learning problem centered in the mathematical operations and in the handling of the numbers. Affected people have serious and chronic difficulties when adding or subtracting and also in the management of the calendar and clock. Dyscalculia […]

Microbiota and depression

Microbiota and depression

HealthMicrobiologyNeurobiologyNeurosciencePhysiology

By José Ramón Alonso

Gut microbiota has a surprising importance in processes related to the development of the nervous system, its functioning and to psychology and behavior, both in people and in animals. The microorganisms produce substances that after crossing the intestinal epithelium reach the blood and through it and after crossing the blood-brain barrier they reach the brain […]

Ayahuasca in the treatment of depression

Ayahuasca in the treatment of depression

HealthMedicineNeurosciencePharmacy

By José Ramón Alonso

Ayahuasca is an illegal entheogenic drug, substances that have the capacity to generate a mystical experience, a psychological sensation of contact with the divinity. Ayahuasca is an infusion prepared from the Banisteriopsis caapi liana and other ingredients, which include leaves of Psychotria viridis, Diplopyterys cabrerana and Mimosa tenuiflora. Psychotria has dimethyltryptamine (DMT), a strongly psychoactive […]