Neupsy Key

18 Special Senses and their Neural Pathways There are five types of special senses, viz. (a) sense of smell, (b) sense of vision, (c) sense of sound/ hearing, (d) sense…

15 Blood Supply of the Brain The continuous blood supply to the brain is of utmost importance because of its high metabolic demands for oxygen and glucose. It is highly…

14 White Matter of the Cerebrum and Lateral Ventricles White Matter Of The Cerebrum The cerebral white matter is a compact mass of a vast number of nerve fibres and…

10 Cerebellum and Fourth Ventricle Cerebellum The cerebellum (L. cerebellum = little brain) is the largest part of the hindbrain and second largest part of the brain as a whole….

8 Brainstem The brainstem is the stalk-like part of the brain which connects the spinal cord with the forebrain. From below upwards it consists of three parts: medulla oblongata, pons,…

12 Cerebrum The cerebrum is the largest part of the human brain that fills most of the cranial cavity. Its large size is the result of a progressive (telencephalization) centralization…

19 Reticular Formation and Limbic System Reticular Formation The reticular formation is defined as diffuse ill-defined mass of intermingled neurons and nerve fibres occupying the entire core of brainstem (Fig….

20 Autonomic Nervous System The autonomic (self-controlling) nervous system is that part of the nervous system which regulates most of the involuntary activities of the body, such as the activities…

17 Somatic Motor and Sensory Pathways Somatic Motor Pathways The somatic motor pathways of the brain and spinal cord are divided into pyramidal and extrapyramidal systems. Both these systems control…

13 Basal Nuclei (Basal Ganglia) The basal ganglia are the large masses of grey matter situated within the white core of each cerebral hemisphere and form essential constituents of the…