The brain
object · 7 works · 10 mentions · 20 anchored passages
الدماغ · al-dimāgh · the brain · nerves · the middle of the brain · the passage · three ventricles · اعصاب · المسلك · بطون ثلاثة
spoken of as
1 expressionBrain1 mention
Aphorisms (Greek)
Sneezing arises from the head, owing to the brain being heated, or the cavity (ventricle) in the head being filled with humors;
in the texts
Mukhtaṣar fī ʻilm al-nafs al-insānīyah
The organ of the internal senses, with three ventricles housing the common sense, the imaginative and the memorative powers, connected by a passage governed by a worm-like body, and whose mixture, size and shape decide a man's understanding.
As for the first cause, it is that the brain of man has three ventricles:
Therefore every man whose brain’s mixture is thick, in whom the motion of the said body is hard, is on that account of little understanding and far (3) from knowledge;
others supposed it to be a spirit that issues from the heart to the brain;
Risālat baqāʼ al-nafs baʻda fanāʼ al-jasad
Al-dimāgh, the medullary mass filling the skull and reckoned at some 1300 grammes in man, described here as the chief of the nerve centres, divided into cerebrum, cerebellum, pons and medulla oblongata, and made by the materialists the source of intellect itself.
It is among the most important of the nerve centres, and it is composed of a medullary substance which occupies the skull.
but among the materialists it arises from cerebral operations, the brain being the source of the intellectual faculties;
That the philosopher Naṣīr al-Dīn al-Ṭūsī mentioned, in the course of his treatise, certain effects of the external and internal senses, and that he pointed to the imprinting of forms in the brain, has called upon us to mention something of the composition of the brain and the operations of its vesicles (*ḥuwayṣilāt*) according to what the men of learning of this age have established, resting upon …
Risālah fī ʻilm al-akhlāq
The organ housing the psychic spirit, whose physical regulation is prescribed as part of moral hygiene.
Among them is the setting right of the psychic spirit (al-rūḥ al-nafsānī) that is in the brain, in respect of its quality, its quantity, and its consistency, by the art of bodily medicine;
Kitāb al-Safīnah al-Nūḥīyah fī al-sakīnah al-rūḥīyah
The cold organ that houses the psychic spirit, counteracting its heat and so rendering it colder yet subtler, and from which sensation and motion are distributed through the body.
The psychic spirit, on the other hand, is counteracted by its dwelling-place, which is the brain, for the brain is cold;
Aphorisms
The organ discussed as site of injury and physiological processes
Sneezing arises from the head, owing to the brain being heated, or the cavity (ventricle) in the head being filled with humors;
When the brain is attacked with sphacelus, the patients die in three days;
When the brain is severely wounded, fever and vomiting of bile necessarily supervene.
al-Saʻādah fī falsafat al-akhlāq
The organ from which the nerves arise, accomplishing sensation and voluntary motion.
the nerves arising from it run the course that the arteries run from the heart, in that they are fixed in the brain and reach to the end of the body, and by them sensation and voluntary motion are accomplished.
Kitāb mīzān al-ḥaqq fī al-manṭiq
The organ, with its nerves and its differentiated parts, whose readiness and quality account for differences of intelligence and of memory
between these organs and the brain there are fine, hair-like nerves, each of which joins one of them to the brain;
This trace is imprinted and remains for a shorter or longer while according to the capacity of the part of the brain belonging to it, and this is what is called the retentive faculty (*ḥāfiẓah*).