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Some adults with right hemisphere brain damage may exhibit behavior that includes tangential speech. [4] Those who exhibit these behaviors may also have related symptoms such as seemingly inappropriate or self-centered social responses, and a deterioration in pragmatic abilities (including appropriate eye contact as well as topic maintenance).
A related term is tangentiality—it refers to off-the-point, oblique or irrelevant answers given to questions. [2] In some studies on creativity, knight's move thinking—while describing a similarly loose association of ideas—is not considered a mental disorder or the hallmark of one; it is sometimes used as a synonym for lateral thinking.
For example, in describing what brought a RHD-affected individual to the hospital, though the patient would likely remember the word “stroke” and other specific words to describe his situation, the RHD impairment to his discourse level and cognitive processes would likely prevent him from describing the situation in a coherent manner.
Circumstantial thinking, or circumstantial speech, refers to a person being unable to answer a question without giving excessive, unnecessary detail. [15] This differs from tangential thinking, in that the person does eventually return to the original point, circling back on-topic.
In anatomy, a process (Latin: processus) is a projection or outgrowth of tissue from a larger body. [1] For instance, in a vertebra, a process may serve for muscle attachment and leverage (as in the case of the transverse and spinous processes), or to fit (forming a synovial joint), with another vertebra (as in the case of the articular processes). [2]
Neurophilosophy – some observations on this type of approach and localization of function; Receptor cell – cells that sense external stimuli and conducted that information to the brain; Multisensory integration – organization of sensation from one's own body and the environment into usable functional outputs; Lateralization of brain function
The best example of an established lateralization is that of Broca's and Wernicke's areas, where both are often found exclusively on the left hemisphere. Function lateralization, such as semantics, intonation, accentuation, and prosody, has since been called into question and largely been found to have a neuronal basis in both hemispheres. [6]
Brain anatomy – forebrain, midbrain, hindbrain. The cerebral peduncles each form a lobe ventrally of the tegmentum, on either side of the midline. Beyond the midbrain, between the lobes, is the interpeduncular fossa, which is a cistern filled with cerebrospinal fluid [citation needed]. The majority of each lobe constitutes the cerebral crus.