Archivi categoria: Cognition and Behavior

Propositional versus Non-Propositional speech

Propositional speech is volitional and requires conscious mental effort in manipulating linguistic segments that have to be assembled to express meaningful ideas.  Thus, propositional speech relies on language-related neural systems of controlled and intentional information processes. Non-propositional speech (i.e. recites … Continua a leggere

Pubblicato in Aphasia, Cognition and Behavior | 3 commenti

Art is a window to the brain.

Art is a window to the mind. As painting is a product of the artist’s brain, stroke usually entails significant changes of the expression of figurative artists. Thus, these artistic changes, which are generally stereotyped, should reflect specific neural dysfunction. … Continua a leggere

Pubblicato in Cognition and Behavior | Lascia un commento

The brain is a matter of time

What is human life without time perception? Is there a region of the brain that is specifically working for time perception? Now, there is no evidence of that. Actually, many regions of the brain work conjointly to provide time perception. … Continua a leggere

Pubblicato in Cognition and Behavior | Lascia un commento

Brain, sexual desire and love

Love and sexual desire are two of the most intense human emotional experiences. These two emotional experiences are strictly related and highly rewarding. Love is a state of intense interest and affection for another person while the sexual desire corresponds … Continua a leggere

Pubblicato in Cognition and Behavior | Lascia un commento

Close to the model (the closing-in phenomenon in Alzheimer disease).

The closing-in phenomenon occurs when a drawing is reproduced close, next or partially superimposed on the original model, despite a clear consign to do not do so. This behavior has been often reported in patients with Alzheimer disease. However, patients … Continua a leggere

Pubblicato in Alzheimer, Cognition and Behavior | Lascia un commento

A challenging neurological disease

I think that Normal Pressure Hydrocephalus (NPH) is one of the most challenging diseases in Neurology. The condition is certainly frequent, especially in people over 80’. The first time, the term Normal Pressure Hydrocephalus was adopted in 1964 in a … Continua a leggere

Pubblicato in Cognition and Behavior, Movement disorders | Lascia un commento

Somatoparaphrenia. Where did the true limb finish?

Somatoparaphrenia of the left body limbs, due to unilateral right hemisphere lesion, is the delusion that one’s own limb belongs to someone else. This condition inexorably disrupts the sense of ownership of his own limb and body. The patient feels … Continua a leggere

Pubblicato in Cognition and Behavior | Lascia un commento

Poststroke aggressiveness

Poststroke aggressiveness is very frequent but it is not a medical diagnosis. Moreover it corresponds to behavioral changes that are related to the emotion of anger. They associate variably with the anger trait, hostility, impulsivity, disruptiveness, confusion, agitation, anxiety, depression, … Continua a leggere

Pubblicato in Cerebrovascular diseases, Cognition and Behavior, Stroke | Lascia un commento

Recognition of facial emotions

In this recently published paper (Calabrese P. et al, Eur Neurol. 2014 Feb 19;71(5-6):242-246) we present the history and the behavioral profile of 2 patients with brain abnormalities in the region of the left amygdaloidal complex. The findings of this study … Continua a leggere

Pubblicato in Cognition and Behavior | Lascia un commento

Wernicke’s aphasia and the Tower of Babel

In the acute phases, after stroke, patients with Wernicke’s aphasia (WA) show a deep language disturbance. Comprehension is severely impaired as all the other linguistic domains. The spontaneous verbal production is fluent but the patient’s speech is incomprehensible as words … Continua a leggere

Pubblicato in Aphasia, Cognition and Behavior | Lascia un commento

Visual hallucinosis/hallucinations and Parkinson disease

Complex visual hallucinations and hallucinosis occurs frequently (5-40%) in patients with Parkinson’s disease, especially after many years of treatment with dopaminergic drugs. Duration and severity of the disease, the presence of depression, sleep problems and cognitive decline are predisposing factors. … Continua a leggere

Pubblicato in Cognition and Behavior, Parkinson Disease | Lascia un commento

The mysterious left side of the space around ourselves

One side of the brain controls the opposite side of the body. However there are differences between the left and the right hemispheres of the brain. Unilateral spatial neglect is a cluster of symptoms characterized by a failure to orient, … Continua a leggere

Pubblicato in Cognition and Behavior, Unilateral Spatial Neglect | Lascia un commento

The railway station in the hospital

Several years ago, during the visit in the morning, I discussed with a 75  y o man who suffered from a multifocal stroke of the right hemisphere few days before. He had left spatial neglect and anosognosia of hemiparesis, some … Continua a leggere

Pubblicato in Cognition and Behavior, Stroke | Lascia un commento

Mirror Agnosia

According to the definition of Ramachandran et al. (Proc. R. Soc. Lond. 1997,264, 645-647) mirror agnosia indicates the condition by which patients confuse the mirror image of an object with the real object and try to grasp it on verbal … Continua a leggere

Pubblicato in Cognition and Behavior | 3 commenti

Looking at the spouse

I often observe this peculiar behavior of the person with Alzheimer’s disease, already since the first consultation and at the earliest stages of the disease. When questioned for simple autobiographical events of the last weeks or months (for example what … Continua a leggere

Pubblicato in Alzheimer, Cognition and Behavior | Lascia un commento